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Limit Switch（Detector Shape：Rod Shape）

Limit Switch is used to detect the presence or absence of an object and monitor the position of a moving part for example detection of incorrectly set work, loose screws, and check the status a door of machine. They find widespread application across various industries, such as automation systems, food and pharmaceutical industries, and electronics industries. When selecting Limit Switch it is crucial to consider factors such as Detector Shape (e.g., Rod Shape, Plunger Type, Lever Shape (Push) and so on), Environment (General, Cold/Heat Resistant, Water Resistant) Plunger and Lever Shape. These considerations are vital for ensuring the production of high-quality products. We highly recommend reputable brands like OMRON and RS Pro. Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on Limit Switch and related products. If you have any doubts or require assistance in choosing the right product, our experts are readily available to provide advice and guidance.

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Specification/Dimensions

Detector Shape
- Plunger Type
- Roller Lever Type (Rotary)
- Lever Shape (Push)
- Rod Shape
- No Lever Type (Knurled Shaft)
- Others
- Roller lever type
Images

Clear

Main Body Size
- Standard
- Small Type
Clear

Environment
- Standard
- Outdoor Corrosion Resistant
- Cold Resistant
- Heat Resistant
- Hydrogen Gas
- Weather Resistant
- Oil Resistant
- Dust Resistant
- Water Resistant
Clear

Plunger Shape Type
- Top Plunger
- Ball Plungers
- Roller Plungers
- PerpendiCular Side Roller Plungers
- Side Surface Plunger
- Side Surface Ball Plunger
- Multiple
Images

Clear

Number of Plunger Rows
- 2
- 3
- 4
- 6
Clear

Roller Lever Shape Type
- Standard
- Fork Lever Lock
- Variable Roller Lever
- Center Roller Lever
- Variable Rod Lever
- Spring Rod Lever
Images

Clear

Lever Shape Type
- One Way Roller Vertical
- One Way Roller Horizontal
- Lever
- Hinge Lever
- Hinge Roller Levers
- Arm Lever
Images

Clear

Rod Shape Type
- Variable Metal Rod
- Spring + Metal Rod
- Spring + Resin Rod
- All Spring Rod
Images

Clear

Contact Type
- Mutually Insulated Double Throw
- 2-Circuit Double Break
- 4-Circuit Double Break
- Single Pole Double Throw
Images

Clear

Contact Point Type
- Rivet
Details

Clear

Contact Material
- Gold Alloy
Clear

Rated Operating Voltage(V)
- 30 VDC or Less
- DC125V
- DC250V
- AC100/125V
- AC120/240V
- AC240/250V
- More than AC300V
Clear

Rated Conductance Current(A)
0.01

0.03

0.1

0.17

0.2

0.4

0.5

0.8

1

2.5

4

5

10

15

20
Clear

Brand	OMRON (9) RS Pro (0)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 3 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less Others

9 items

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: 30; 60; 90

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Until 31/03/2025

Two-Circuit Limit Switch [WL-N/WL]

OMRON

A 2-circuit limit switch with multiple types that can be selected according to the operating environment and application.
[Features]
· A variety of head shapes, including a rotational lever type, a plunger type, a flexible rod type and a fork locking lever type.
· Select the best shape from the available actuators to match the movement and shape of the workpiece.
· As well as types for general detection, there are also environmentally-resistant types suitable for use in harsh environments, spatter-resistant types suitable for welding processes, and long-lifespan types suitable for use in high-frequency applications.

From: ฿ 1,658.00
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Small Safety Limit Switch [D4N]

OMRON

Standard safety limit switches. A full range of products provided globally.
[Features]
· Available with the following range of contact configurations: 1NC/1NO, 2NC, 2NC/1NO, 3NC (MBB specification for the throw action).
· Easily replaceable and labor-saving M12 connector types are also available.
· Highly reliable gold-plated contacts used as standard. Can be used with both general loads and micro loads.

From: ฿ 735.91
Special Price
Days to Ship: Same day

Same day

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Until 30/06/2024

Small Limit Switch [HL-5000]

OMRON

Compact limit switch with high practicability in low price. For head, box and cover, an uneven interlocking method is used and thus robustness is maintained.

From: ฿ 1,371.00
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Small Limit Switch [D4C]

OMRON

Compact limit switch excelling in compact size, thin and high seal properties.
[Features]
· Approved by EN (TÜV), UL, CSA, CCC standard. (ask your manufacturer for information on approved models)
· High sealing property compliant with IEC Standard IP67.
· The plunger has a seal packing, a diaphragm and the built-in switch has a protective cap and a triple seal structure.
· 3 m and 5 m cords are used as a standard. Series with cords certified by UL and CSA standards.
· Plunger type enables multiple mountings.
· A series of LED indicator lights (red) is made to facilitate confirmation during operation. (Lights up when not operating as a standard)
· VCTF oil-resistant cord type and pre-wired type products confirm with CE marking. (However this is applicable to the Standard type only)

From: ฿ 1,777.00
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Tactile Switch [D5B]

OMRON

A multi-use touch switch for detecting objects in multiple directions.
[Features]
· Uses a slow-action switching mechanism.
· Gold-plated contacts that provide high contact reliability with micro loads.
· Allows for direct input to microcomputers, programmable microcontrollers, etc.
· Three small outer diameter variations available: M5, M8 and M10.
· Uses a panel mounting design for easier installation.

From: ฿ 1,022.00
Special Price
Days to Ship: Same day

Same day

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Until 30/06/2024

Flexible Rod Switch [TP70]

OMRON

[Features]
· Easy input by hand while moving.
· Hand-friendly plastic rod type.
· One-way operation.
· Includes a stopper that only operates when touch-operated from a single direction.
· The unit is colored yellow so that the operator can easily pick it out.
· Three types available for use with different mounting conditions.
· Types with emergency stop switches are also available as part of the product series.

From: ฿ 11,375.00
Special Price
Days to Ship: 50 Day(s)

50 Day(s)

Compare

Until 30/06/2024

Cylindrical Touch Switch [D5C]

OMRON

Possible to detect just by touching slightly. ø18 slim type shape.

From: ฿ 7,420.00
Special Price
Days to Ship: Same day

Same day

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Until 30/06/2024

Limit Touch Switch [NL]

OMRON

Possible to detect just by touching slightly

[Features]
· Possible to detect just by touching slightly and operation displayed by light emitting diode.
· High accuracy position detection with very less hysteresis movement is possible in order to operate whenever there is a contact.
· Micro displacement and lightweight objects can be detected without requiring operation power.
· Operation is easy to confirm by light emitting diode.
· Many functions are possible by combining with sensor controller type S3D2 (DC type)

From: ฿ 12,259.00
Special Price
Days to Ship: Same day

Same day

Compare

Compact Heavy Equipment Limit Switch [D4A-□N]

Until 31/03/2025

Compact Heavy Equipment Limit Switch [D4A-□N]

OMRON

Compact heavy equipment limit switch with improved seal, impact-resistance and load-resistance.
[Features]
· Double sealing structure of the rotary shaft has been further reinforced and the gasket full cover system, etc., ensures sealing.
· Models with fluoroelastomer available separately for effective resistance to chemicals.
· A block mount method is adopted to minimize time loss during maintenance.
· Four circuit double-break models available for complex operations.

From: ฿ 2,457.00
Special Price
Days to Ship: 5 Day(s)

5 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Detector Shape
Main Body Size
Environment
Plunger Shape Type
Number of Plunger Rows
Roller Lever Shape Type
Lever Shape Type
Rod Shape Type
Contact Type
Contact Point Type
Contact Material
Rated Operating Voltage(V)
Rated Conductance Current(A)

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025
Brand	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON
Product Series	Two-Circuit Limit Switch [WL-N/WL]	Small Safety Limit Switch [D4N]	Small Limit Switch [HL-5000]	Small Limit Switch [D4C]	Tactile Switch [D5B]	Flexible Rod Switch [TP70]	Cylindrical Touch Switch [D5C]	Limit Touch Switch [NL]	Compact Heavy Equipment Limit Switch [D4A-□N]
CAD	2D / 3D	3D	2D / 3D	2D / 3D	2D / 3D		2D	2D / 3D
From	฿ 1,658.00 Special Price On Sale Until 31/03/2025	฿ 735.91 Special Price On Sale Until 31/03/2025	฿ 1,371.00 Special Price On Sale Until 30/06/2024	฿ 1,777.00 Special Price On Sale Until 31/03/2025	฿ 1,022.00 Special Price On Sale Until 31/03/2025	฿ 11,375.00 Special Price On Sale Until 30/06/2024	฿ 7,420.00 Special Price On Sale Until 30/06/2024	฿ 12,259.00 Special Price On Sale Until 30/06/2024	฿ 2,457.00 Special Price On Sale Until 31/03/2025
Days to Ship	Same day	Same day	Same day	Same day	Same day	50 Day(s)	Same day	Same day	5 Day(s)
Detector Shape	Rod Shape	Rod Shape	Rod Shape	Rod Shape	Rod Shape	Rod Shape	Rod Shape	Rod Shape	Rod Shape
Main Body Size	Standard	Small Type	Small Type	Small Type	Small Type	Standard	Small Type	Standard	Small Type
Environment	Standard / Outdoor Corrosion Resistant / Cold Resistant / Heat Resistant / Hydrogen Gas / Oil Resistant / Water Resistant	Standard	Standard	Standard / Weather Resistant	Standard	Standard	Standard / Cold Resistant	Standard / Dust Resistant	Standard / Cold Resistant
Plunger Shape Type	-	-	-	-	-	-	-	-	-
Number of Plunger Rows	-	-	-	-	-	-	-	-	-
Roller Lever Shape Type	-	-	-	-	-	-	-	-	Spring Rod Lever
Lever Shape Type	-	-	-	-	-	-	-	-	-
Rod Shape Type	Variable Metal Rod / Spring + Metal Rod / Spring + Resin Rod	Spring + Metal Rod / Spring + Resin Rod	Variable Metal Rod / Spring + Metal Rod	Spring + Resin Rod	Spring + Metal Rod	-	Spring + Metal Rod	Spring + Metal Rod	Spring + Metal Rod / Spring + Resin Rod / All Spring Rod
Contact Type	2-Circuit Double Break	2-Circuit Double Break	2-Circuit Double Break	Single Pole Double Throw	Mutually Insulated Double Throw	Single Pole Double Throw	Mutually Insulated Double Throw	-	2-Circuit Double Break
Contact Point Type	-	-	-	-	-	-	-	-	-
Contact Material	-	-	-	-	-	-	-	-	-
Rated Operating Voltage(V)	30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V	DC125V / DC250V	AC240/250V	30 VDC or Less / AC240/250V	30 VDC or Less	-	30 VDC or Less	30 VDC or Less	More than AC300V
Rated Conductance Current(A)	0.1 ～ 10	2.5	5	4	0.03	-	0.2	0.17	10

Related Categories to Limit Switch

- Limit Switch
- Peripheral Components (for Limit Switches)

FAQ Limit Switch

Question: Can the Limit switch be used for doors?: Answer: Yes, limit switches can be used for door safety functions. In fact, they are commonly used in industries to ensure the safe operation of doors, gates, and access points in automated systems. To use a limit switch for door safety, you would need a "safety limit switch."

There are two main types of safety limit switches suitable for door safety:

Mechanical Safety Limit Switches: These switches have a physical actuator that comes into contact with the door or gate, triggering the switch when the door reaches a certain position. They can be used to detect when the door is fully open or closed.

Non-Contact Safety Limit Switches: Also called "safety interlock switches" or "coded magnet switches," these use non-contact technology to detect the presence or alignment of a magnet on the door. They are more tamper-resistant and are often used in critical safety applications.
Question: What is the purpose of a Limit switch with a long lever?: Answer: A limit switch with a long lever serves the purpose of detecting the presence, absence, or position of an object with a larger range of movement. The long lever acts as an extension, allowing the switch to respond to changes in position over a greater distance. This type of switch is commonly used in applications where the movement of the object being sensed is not directly aligned with the switch itself.

For example, imagine a conveyor belt where products of varying sizes move along. A limit switch with a long lever could be positioned such that the lever comes into contact with the products. As each product passes by, it engages the lever, causing the switch to activate. The longer lever provides the necessary reach to detect objects that might be positioned farther away from the switch housing.

In simpler terms, a limit switch with a long lever is like having an extended arm that can reach out and touch something that's not right next to it.
Question: How do I connect or install a limit switch?: Answer: Step by step to install the limit switch
1. Choose Mounting Location: Determine where you want to install the limit switch. Make sure it's strategically placed to sense the desired movement or position.
2. Prepare Mounting Surface: If needed, prepare the surface by drilling holes for mounting screws or bolts. Ensure the surface is clean and flat.
3. Mounting: Attach the limit switch to the mounting surface using screws, bolts, or a bracket provided with the switch. Ensure the switch is securely fixed and aligned properly.
4. Connect Wiring: Refer to the manufacturer's wiring diagram or schematic for guidance. Typically, limit switches have several terminals: common (COM), normally open (NO), and normally closed (NC). Connect wires from your control system to these terminals based on your application's requirements.
5. Wire Connection: Strip the ends of the wires and attach them to the appropriate terminals. Use screw terminals, crimp connectors, or other suitable methods as specified by the switch's manual.
6. Secure Wires: Make sure the wires are properly secured and won't be pinched or pulled when the machine or system operates.
7. Adjust Actuator: If the limit switch uses an actuator (lever, roller, etc.), adjust its position so that it's activated when the desired movement or position is reached.
8. Test the Installation: Carefully test the limit switch by manually triggering its actuator to see if it activates and deactivates correctly. Make any necessary adjustments if it's not functioning as expected.
9. Final Check: Double-check all connections, screws, and adjustments to ensure everything is secure and properly aligned.
10. Power On: Power up the system and observe the limit switch's behavior during regular operation. Confirm that it accurately detects the intended movement or position.