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OMRON Industrial Relays
Industrial Relays products in the Electrical & Controls category from OMRON. The product can be selected based on many product specifications such as Coil rated voltage (DC), Contact Configuration, Terminal shape, Contact rated current (minimum value for AC and DC), Coil rated voltage (AC). OMRON offers products around 24 items and the product specifications can easily be compared. Parts and equipment for controlling machines and electrical systems. Controllers and power supplies. OMRON products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.
Configure
Specification/Dimensions
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Coil rated voltage (DC)(V)
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Contact Configuration
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Terminal shape
- Socket / plug-in
- Solder/tab, dual purpose
- Solder
- For Circuit Boards
- Tab Terminal
- Screw Fastening
- Other
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Contact rated current (minimum value for AC and DC)(A)
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Coil rated voltage (AC)(V)
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Application
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Latch function
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Representative Standard
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Dimension height(mm)
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Dimension width(mm)
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Dimension depth(mm)
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- 24 items
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
[Features]
· Lead-use eliminated, safe for environment.
·With different colors for AC and DC coil tapes, AC and DC specifications are easily identified.
·Type MY(S) with a convenient latching lever for circuit check is now also available.
·Wiring labor-hours can be shortened by 60% if combined with push-in plus socket Type PYF-□-PU (according to the manufacturer's measured data).
·Terminal Shape: Socket / plug-in terminal, PCB terminal.
[Applications]
·Widely applicable to almost all types of electrical machines and devices.From: ฿ 215.00 Special Price Days to Ship: 
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024New MY-GS-R Miniature Power Relays
OMRON
New MY-GS-R Relays
Replacement the current MY-GS Relays. Same robust feature and dimensions with the following upgrafes:
● Switching capacity up (2 pole) : 7A -> 10A
● LED's polarity (DC coil, 2 pole and 4 pole) : polarity -> No porarity.From: ฿ 193.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
Small general purpose power switching relay for industrial use.
[Features]
·A high-capacity version of Type MY, which is available in a wide variety of types including ones with operation indicator lights, surge absorbing elements, etc.
· The contact structure is 1C, 2C, 3C and 4C.
· The standard product is compliant with international UL, CSA, and SEV standards and the Product Safety of Electrical Appliances and Materials Act of Japan.
· Equipped with an arc barrier for arc interruption. Withstand voltages up to 2,000 V.
· New built-in diode and built-in CR circuit models are now available as part of the product series. The lineup also includes the types that are compliant with the international LR and VDE standards.
[Applications]
·Various control equipment at production sites where high reliability is required.
· Used not only for electric, water, gas and other control systems, but also for most types of electrical machinery and equipment.From: ฿ 148.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Mini Power Relay Plug-In Terminal Type G2R-□-S
OMRON
1 pole 10 A and 2 pole 5 A general purpose slim type miniature power relays.
[Features]
· Cadmium-free, lead-free.
·1-position for 10 A and 2-position for 5 A general-purpose power relay.
·Safety-oriented design with a withstand voltage of 5,000 V between coil to contacts and a surge resistant voltage of 10,000 V.
·With different colors for AC and DC coil tapes, AC and DC specifications are easily identified.
·Includes a convenient latching lever for circuit check (Type G2R-□-S[S]).
[Applications]
·Mainly used for control panels, industrial machines, etc.From: ฿ 138.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
A power relay with a high capacity and high dielectric strength that can handle momentary voltage drops.
[Features]
·Wiring work is quicker than conventional screw terminals with the new push-in plus terminal block sockets now available in the product series (Wiring labor-hours are approx. 60% shorter than traditional screw tightening terminals.).
·Relay with forcibly guided contacts (EN/IEC 61810-3 VDE certified).
·Supports the CE marking of machinery (Machine Directive).
·Helps avoid hazardous machine status when used as part of an interlocking circuit.
·Available in 4-position and 6-position.
·Terminal arrangement simplifies PWB pattern design.
· Reinforced insulation between inputs and outputs. Reinforced insulation between some poles of different polarity.
[Applications]
·Helps avoid hazardous machine status when used as part of an interlocking circuit.From: ฿ 607.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
An alternating operation type ratchet relay with a unique ratchet mechanism.
[Features]
· Each 2-pole contact performs alternating operation switching with each pulse.
· Uses a unique ratchet mechanism for contact switching.
· Features a dielectric strength of 2, 000 V AC.
[Applications]
· Ideal for alternating operations or transfer/switching operations on motors etc.
From: ฿ 2,136.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
A small and ultra-thin relay unit for safety and industrial uses. The product series features a wide array of types.
[Features]
· Four kinds of 45-mm wide units are available: a 3-pole model, a 5-pole model, and a model with 3 poles + 2 OFF-delay poles, as well as a two-hand controller.
· Also available are 17.5-mm wide expansion units with 2-poles and 3-poles, and 22.5-mm units with 3 OFF-delay poles.
· The expansion units can be connected in a single action.
· Can be DIN track mounted or screw mounted. OFF-delay types have 15-step OFF-delay settings.
· Conforms to EN ISO13849-1 (PLe/Safety Category 4) (G9SA) and European EN standards (G9SB). TÜV certified (G9SB).
· When it receives a signal from an input unit such as an emergency stop switch, it sends a signal to the output (contactor etc.) depending on whether it is judged to be safe or not.
[Applications]
· Can be used as device which ensures that operations only commence if it is deemed safe to do so.From: ฿ 5,956.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
- Miniature Power Relays MY-GS series from Omron.
- High Electrical Durability: Two-pole Relay 500,000 operations, Four-pole Relay: 200,000 operations.
- Reliable application is possible for high density mounting and in cold locations (-55 to 70°C).
- Reduces malfunctions for unexpected external shocks up to 20G.
- Mechanical indicators are now a standard feature so that you know the contact operating status even for standard models.
- Operation of models with latching lever can be confirmed without energizing the coil.
- The color of the operation indicator (LED)shows whether the coil voltage is AC or DC.From: ฿ 300.00 Special Price Days to Ship:
50 Day(s)
50 Day(s)
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
A Value Design for Panel product that increases the value of your control panels
Global standard size, low profile slim I/O relay with width 6.2 mm
■ Features
· Realizes about 25% lower profile than conventional products, contributing to further miniaturization of the control panel.
· Realizes switching ability with one pole 6 A slim shape
· Micro load products for one pole 50 mA using gold-plated contacts for micro load switching also available.
· Since G2RV is a transparent case, confirming the state of the contact with the naked eye is possible,
and easy to confirm abnormality on-site (installed location).
· Screw terminal is also stocked to meet screw type needs.
· Mounted relay uses plug-in terminals that are difficult to bend when exchanging.From: ฿ 578.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
A power relay with a high capacity and high dielectric strength that can handle momentary voltage drops.
[Features]
·No contact chattering for momentary voltage drops up to 50% of the rated voltage.
·A wide range coil that covers 100 V AC type from 100 to 120 V AC 50/60 Hz or 200 V AC type from 200 to 240 V AC 50/60 Hz with a single coil.
· High capacity that is particularly able to manage inductive loads with powerful force.
·All insulating materials are flame retardant and comply with UL94 V-0 standards.
· Comes in a wide variety of types including tab terminals, screw terminals, PCB terminals, etc. Surface connection sockets are also available.
·Standard products compliant with UL, CSA, and TÜV and meet the IEC950 standards.
· Safe design with 3 mm contact gap.
[Applications]
·Widely applicable to factory automation as well as non-factory automation equipment.From: ฿ 356.37 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
29 (W) × 10 (D) × 32 (H) mm I/O slim relay.
[Features]
· A slim type for both input (DC, AC) and output (1 a, 1 b, 1 c.)
· The output type has a high durability of 1 million operations (24 V DC 5 A.)
· Comes with an operation display mechanism for checking operation (1 a specification only.)
[Applications]
· Mainly used for control panels, industrial machinery etc.From: ฿ 254.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
New Super MK relays. Models with latching lever added to the series.
■ Features
· Same mounting and internal wiring as the previous Super MK relays
· Built-in mechanical indicator enables checking contact operation
· 2 modes can be used to check circuits for models with latching lever
· Nameplate provided on models with latching lever
· UL and IEC (TÜV) certificationFrom: ฿ 270.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
Power relay with stable contact reliability and high durability.
[Features]
·Easy mounting, wiring and handling
·Available in a large selection of models including various forms of contacts, direct current load switching and surface-mount type
·High durability with a mechanical life of 5,000,000 cycles and electrical life of 500,000 cycles (under rated load)
·Also available are models with built-in diodes and models compliant with auxiliary power relays (JEC-174D)
[Applications]
·Used in various fields to improve the reliability and for miniaturization of equipmentFrom: ฿ 918.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
An octal pin type power relay available in a large number of variations.
[Features]
·Enclosed models have the common AC4 rating (100/110 V AC, 50/60 Hz, 200/220 V AC, 50/60 Hz)
·Easy mounting, wiring and handling
·High mechanical durability of 5,000,000 cycles or more
·Offers an extensive product lineup; standard type, enclosed type, special contact model, twin contact type, double-winding latching type, etc.
[Applications]
·Applicable to various control equipment at production sites where high reliability is required, and also applicable to control systems for electricity, water, gas, etc.
·Widely applicable to almost all types of electrical machines and devicesFrom: ฿ 666.43 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
Latching relay suitable for memory circuits and signal transduction circuits.
[Features]
· Due to use of special magnetic materials, changes over time are few and life span is long.
·High durability with little change in characteristics such as contact follow and contact pressure.
·Superior vibration resistance and impact resistance.
· Viewing operation status is easy with operation display mechanism.
· Identical external shape as model MK small power relay.
[Applications]
·Widely applicable to almost all types of electrical machines and devices such as control systems for electricity, water, gas, etc.From: ฿ 1,361.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Contact Annunciator Relay Unit MYA
OMRON
A relay circuit unit for use in various control circuit centralized alarm devices.
[Features]
· Safety protective equipment for use in various control circuit centralized alarm devices.
· The Model MYA combines with the MY4 Mini Power Relay to provide various alarm functions.
· A small plug-in type for more effective use of space. Easy to use for maintenance inspections etc.
· Lloyd's certified product (except Models MYM-LA12 and -LB12).
[Applications]
· A relay equipped with an internal alarm circuit. Ideal for alarm devices.From: ฿ 1,492.40 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024Reverse Rotation Stop Relay APR-S
OMRON
Uses voltage detection to determine reverse revolution of three-phase motors.
[Features]
· A relay which prevents reverse motor operations caused by mis-wiring.
· The direction of motor revolution is detected as soon as power is applied to the relay. If the power is reversed, the magnetic contactor locks in the open state.
· The magnetic contactor can also be wired to protect it from being closed in open phase.
· A small, plug-in relay that needs no adjustment.
· Uses the voltage detection method so that it can be operated independently of the load current.
[Applications]
· For integrating into equipment for which reverse operation caused by faulty wiring could lead to an accident.
· For equipment which needs to be frequently rewired.
From: ฿ 1,062.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
Global standard size, low profile slim I/O relay with width 6.2 mm
■ Features
· Realizes switching ability with one pole 6 A slim shape
· Micro load products for one pole 50 mA using
Gold-plated contacts for micro load switching also available.
· Products with a latching lever are also provided to reduce operations checks and the time required for inspections.
· 4,000‑V withstand voltage between coil and contact.
· Uses push-in terminals for more efficient wiring.
Up to 25 seconds* faster per terminal than screwed-in terminals (crimp terminals: round terminals used.
· Minus screw terminal is also stocked to meet the screw type needs.
· Since G2RV is a transparent case, confirming the state of the contact with the naked eye is possible,
and easy to confirm abnormality on-site (installed location).
*From Omron verification testing resultsFrom: ฿ 573.33 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
A cost-effective industrial-use relay with a low power consumption.
[Features]
·Type MM power relay with a mechanical lock latching system.
·Mechanically holds the operations.
· Quick operation due to pulse transmitted electrical power.
·Wide operating temperature range from -10°C to +55°C.
·Models compliant with auxiliary power relays (JEC-174D) are also available.
[Applications]
·Ideal for motor and control operation switching.From: ฿ 2,286.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
A safety relay capable of 10-A high capacity switching.
[Features]
· A relay with forcibly guided contact (EN50205/Class A VDE certified.)
· Supports the CE marking of machinery (machinery directive.)
· · Helps avoid hazardous machine status when used as part of an interlocking circuit.
· Top surface connection and back surface connection sockets are available.
[Applications]
· Ideal for locations such as work sites where safety measures are required.From: ฿ 1,039.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Slim I/O Relay G2RV-SR Relay For Replacement
OMRON
Replacement relay for OMRON Slim I/O Relay G2RV-SR.From: ฿ 193.00 Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
[Features]
· High contact reliability for quadrupole sequence management.
· Uses card lift-off method for high durability and stable quality.
· Mounting compatible with model MY4 series.
· Includes operation display mechanism.
· Built-in operation display mechanism also available.From: ฿ 518.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 30/06/2024
Until 30/06/2024OMRON
[Features]
· G2A plastic sealed model.
· Due to its airtight structure, offers comparatively more stability than other enclosed types even when exposed to powder dust, etc., in the atmosphere.
· All parts of the relay structure are annealed, and the production of internal gas is reduced.
· Inexpensive compared to metallic hermetically sealed relays.From: ฿ 752.63 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025OMRON
Small mechanical lock type latching relay with a manual operation button.
[Features]
· Small and lightweight with a height of 71 mm, a width of 42.5 mm and a depth of 48.5 mm with a weight of just 175 g.
· Quick set and reset response through pulse signals.
· Gold-plated contacts for high contact reliability.
· Use OMRON's PTF14A (for LY4 Relays) socket.
[Applications]
· Has a set coil and reset coil, and is used for output holding.
· Features a manual operation button and can perform output and reset tests.From: ฿ 2,405.00 Special Price Days to Ship:
Same day
Same day
| Brand |
|---|
| Product Series |
| From |
| Days to Ship |
| Coil rated voltage (DC)(V) |
| Contact Configuration |
| Terminal shape |
| Contact rated current (minimum value for AC and DC)(A) |
| Coil rated voltage (AC)(V) |
| Application |
| Latch function |
| Representative Standard |
| Dimension height(mm) |
| Dimension width(mm) |
| Dimension depth(mm) |
You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 30/06/2024 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | |
| Brand | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON |
| Product Series | ||||||||||||||||||||||||
| From | ฿ 215.00 Special Price On Sale Until 31/03/2025 | ฿ 193.00 Special Price On Sale Until 30/06/2024 | ฿ 148.00 Special Price On Sale Until 31/03/2025 | ฿ 138.00 Special Price On Sale Until 31/03/2025 | ฿ 607.00 Special Price On Sale Until 30/06/2024 | ฿ 2,136.00 Special Price On Sale Until 31/03/2025 | ฿ 5,956.00 Special Price On Sale Until 30/06/2024 | ฿ 300.00 Special Price On Sale Until 30/06/2024 | ฿ 578.00 Special Price On Sale Until 31/03/2025 | ฿ 356.37 Special Price On Sale Until 31/03/2025 | ฿ 254.00 Special Price On Sale Until 30/06/2024 | ฿ 270.00 Special Price On Sale Until 30/06/2024 | ฿ 918.00 Special Price On Sale Until 31/03/2025 | ฿ 666.43 Special Price On Sale Until 31/03/2025 | ฿ 1,361.00 Special Price On Sale Until 31/03/2025 | ฿ 1,492.40 Special Price On Sale Until 31/03/2025 | ฿ 1,062.00 Special Price On Sale Until 30/06/2024 | ฿ 573.33 Special Price On Sale Until 30/06/2024 | ฿ 2,286.00 Special Price On Sale Until 31/03/2025 | ฿ 1,039.00 Special Price On Sale Until 30/06/2024 | ฿ 193.00 | ฿ 518.00 Special Price On Sale Until 31/03/2025 | ฿ 752.63 Special Price On Sale Until 30/06/2024 | ฿ 2,405.00 Special Price On Sale Until 31/03/2025 |
| Days to Ship | Same day | Same day | Same day | Same day | Same day | Same day | Same day | 50 Day(s) | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day |
| Coil rated voltage (DC)(V) | 1.5 ～ 125 | 12 ～ 220 | 12 ～ 125 | 5 ～ 100 | 24 ～ 30 | 12 ～ 100 | - | 100/110 | 24 | 12 ～ 24 | 12 ～ 24 | 12 ～ 24 | 24 ～ 200/220 | 12 ～ 500 | 12 ～ 110 | 24 ～ 100/110 | - | 12 | 24 ～ 200/220 | 24 | 21 | 48 ～ 100 | 24 | 24 ～ 110 |
| Contact Configuration | 2c / 3c / 4c | Other | 1c / 2c / 3c / 4c | 1c / 2c / Other | Other | 2c | 2a / Other | 2c | 1c | 1a / 2a | 1a / 1b / 1c | 2c / 3c / Other | 2c / 3c / 4c | 2c / 3c | 2c | - | 1c | 1c | 2c / 3c / Other | Other | 1c | 4c | 4c | Other |
| Terminal shape | Socket / plug-in / For Circuit Boards | Other | Socket / plug-in / For Circuit Boards / Screw Fastening | Socket / plug-in | For Circuit Boards | Socket / plug-in | Screw Fastening | Socket / plug-in | Screw Fastening / Other | For Circuit Boards / Tab Terminal / Screw Fastening | Socket / plug-in | Socket / plug-in | Socket / plug-in / Solder / Screw Fastening | Socket / plug-in | Socket / plug-in | Socket / plug-in | Socket / plug-in | Screw Fastening | Socket / plug-in / Screw Fastening | Socket / plug-in | Socket / plug-in | Socket / plug-in | Socket / plug-in | Socket / plug-in |
| Contact rated current (minimum value for AC and DC)(A) | 1 ～ 10 | - | 5 ～ 15 | 5 ～ 10 | 6 | 5 | - | 2 | 0.05 ～ 2 | 20 ～ 30 | 1 ～ 5 | 5 | 5 ～ 15 | 3 ～ 5 | 5 | 3 | - | 2 | 4 ～ 7 | 6 | - | 3 | 2 | 3 |
| Coil rated voltage (AC)(V) | 6 ～ 220/240 | 12 ～ 220/240 | 24 ～ 220/240 | 24 ～ 200/220 | 250 | 24 ～ 220 | - | 24 ～ 220/240 | 24 ～ 200 | 100/120 ～ 200/240 | 100/110 ～ 200/220 | 110 ～ 200 | 100/110 ～ 220 | 24 ～ 220 | 24 ～ 240 | 100/110 ～ 200/220 | - | 230 | 100/(110) ～ 220 | - | - | - | 100/110 | 100 ～ 200 |
| Application | Power | For Signals | Power | Power | Other | - | Other | Power | Other | Power | Power | Power | Power | Power | Power | - | Other | Other | Power | Other | Other | Power | - | Power |
| Latch function | Available / NA | NA | NA | Available / NA | NA | Available | NA | NA | NA | - | NA | Available / NA | NA | NA | Available | NA | NA | NA | Available | NA | NA | NA | NA | Available |
| Representative Standard | CE / UL / TUV / CSA | UL / CSA | UL / TUV / CSA | CE / UL / CSA | UL / CSA | - | CE / UL / TUV / CCC / CSA | UL / CSA | CE / UL / CUL / TUV / CSA | - | UL / CSA | UL / CUL / TUV / CSA | - | - | - | - | - | UL / TUV | - | UL / CSA | CE / UL / CUL / TUV | - | - | - |
| Dimension height(mm) | 35 ～ 53 | - | 35.5 ～ 78.5 | 28 ～ 35.5 | 24 | 80 | 76 ～ 100 | 36 | 88.87 ～ 90 | 47 ～ 55 | 32 | 52.5 | 53.5 ～ 81.5 | 52.5 | 52.5 | 50 ～ 51 | 48 ～ 50 | 88.87 | 119 ～ 123 | 37 | 33 | 42.5 | 42.5 | 71 |
| Dimension width(mm) | 21.5 ～ 22.5 | - | 21.5 ～ 41.5 | 13 | 40 ～ 50 | 63.5 | 18 ～ 45 | 21.5 | 6.2 | 52.5 ～ 68.5 | 33.5 | 34.5 | 40 ～ 80 | 34.5 ～ 36.5 | 34.5 | 38 ～ 39 | 38 ～ 48 | 6.2 | 54.5 ～ 72.5 | 22.5 | 5.2 | 21.5 | 22.5 | 42.5 |
| Dimension depth(mm) | 28 ～ 44 | - | 28 ～ 45.5 | 29 | 13 | 92.5 | 111 ～ 112 | 28 | 78 ～ 81 | 34.5 ～ 36.5 | 10 | 34.5 | 56 ～ 80.5 | 34.5 ～ 36.5 | 34.5 | 65 ～ 84.5 | 63.7 ～ 63.9 | 78 | 80.5 | 58 | 33 | 28.5 | 29.5 | 51.5 |
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Related Categories to Industrial Relays
FAQ Industrial Relays
- Question: How many types of relays?
- Answer: There are various types of relays, and they are classified into different categories according to their properties.
Based On Operation Principles (4 types)
1.1 Electrothermal Relay, an electrothermal relay is made up of a bimetallic (made up of two metals having different thermal expansion coefficients) strip.
1.2 Electromechanical relays This type of relay uses electrical power to move the electromagnetic coil. to control the movement of the contact.
1.3 Solid State Relay, SSR relay is made up of semiconductors instead of mechanical parts and it works on isolating the low voltage circuit from the high voltage circuit using an optocoupler.
1.4 Hybrid Relay, Hybrid relays are made using both SSR and EMR relays. As we know that the SSR wastes power in form of heat and EMR has a contact arcing problem. The hybrid relay uses both SSR and EMR to overcome their disadvantages.
Based on Poles and Throw (4 types)
2.1 SPST (single pole single throw) relay
The single pole means that it can control only one circuit while the single throw means its pole has only one position in which it can conduct.
2.2 SPDT (single pole double throw) relay
The single pole means it can control only one circuit at a time. The double throw means its pole has two positions in which it can conduct.
2.3 DPST (double pole single throw) relay
The double pole means it can control two completely isolated individual circuits. The single throw means that each pole has one position in which it can conduct.
2.4 DPDT (double pole double throw) relay
The double pole means it can control two circuits while the double throw means each pole can conduct in two separate positions. - Question: Operation principle and connection method of relays.
- Answer: A relay is an electrical switch that controls (switches on and off) a high-voltage circuit using a low-voltage source. A relay completely isolates the low-voltage circuit from the high-voltage circuit. A relay connection is a separate pin terminal to be 2 types, a control terminal, and a contact terminal. The control terminal is used for control status On/Off of the relay. Whereas the contact pin terminal is used to transmit electricity from the supply side to the device.
- Question: What is a Solid-State Relay?
- Answer: A Solid-State Relay (SSR) is a relay that does not have a moving contact. So, A Solid-State Relay (SSR) have long lifetime and able to use higher frequency operation. In terms of operation, SSRs are not very different from mechanical relays that have moving contacts. SSRs, however, employ semiconductor switching elements, such as thyristors, triacs, diodes, and transistors.
- Question: How to use a relay in the industry?
- Answer: A relay is a switch that is used to open or close a circuit. It controls the flow of electricity to create the desired result. Most industrial controls are essentially switches but of a more complex nature. They are usually associated with the control of electric motors and systems. Industrial controls include devices such as motor starters, contactors, control centers, and programmable logic controllers.
- Question: Why are Relays used in PLC?
- Answer: Relays are used to isolate one voltage level from another. A PLC may be used to control the operation of a medium-voltage device, perhaps 2,300V or 4,160V. A relay is used to energize the starter, which, in turn, switches the motor voltage while the PLC controls the relay. Wired to provide a control sequence, relays may also be used for simple control schemes where a PLC would prove uneconomical. Troubleshooting relays can be handled in short order, without having to return to the maintenance shop for the computer necessary to analyze the control sequence within the PLC.
- Question: Relay is AC or DC?
- Answer: Relay can be used both AC and DC, depend on their construction and usage. Which is mean current type is using to control coil of relay. The coil resistance of the AC and DC relay for the same voltage is different. The resistance of the AC coil is less as compared to the DC coil. The AC relay/contactor coil offers reactance when AC supply is applied across it. The inductive reactance of the AC coil offers more impedance and thus it limits the current.
- Question: What is the role of relays in electrical circuits?
- Answer: Relays are switches in electrical circuits that use a small electrical signal to control a larger one. They act like a bridge between two circuits, allowing a low-power signal to turn on or off a high-power device. This makes them crucial for tasks like turning on lights, motors, or appliances, and for safety by isolating circuits or controlling heavy loads with smaller switches. Relays help manage electricity in various applications, ensuring efficient and safe operation.
- Question: Relay vs. Switch: What's the difference?
- Answer: Relays and switches both control electrical circuits, but they work differently. A switch physically opens or closes a circuit when manually toggled. In contrast, a relay is an electrically operated switch. It uses a small electrical signal to control the opening or closing of a separate circuit. Relays are useful for remote or automated control and can handle higher power loads.
- Question: How can I troubleshoot relay issues?
- Answer: Troubleshoot of relay typically diagnose by following item.
• Check power supply: Ensure the relay is getting the correct voltage.
• Test the control signal: Confirm the signal activating the relay is working.
• Inspect connections: Look for loose or damaged wires.
• Listen for clicks: Relays should make a clicking sound when they switch.
• Swap relays: Try replacing with a known-working relay.
• Test with a multimeter: Measure continuity or resistance to diagnose problems.
• Check for mechanical issues: Look for stuck or worn-out relay components.
• Consult a professional if needed. - Question: How to choose the right relay for my work project?
- Answer: Suitable relay can be select by consider following factor.
• Identify load requirements: Determine voltage and current needs.
• Relay type: Choose between electromechanical or solid-state based on durability and switching speed.
• Coil voltage: Match relay coil voltage to your control circuit.
• Consider environmental factors: Ensure the relay can handle temperature, humidity, and other conditions.
• Seek expert advice if unsure about specific requirements.
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