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Limit Switch（Contact Type：Single Pole Double Throw）
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
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Detector Shape
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Main Body Size
- Standard
- Small Type
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Environment
- Standard
- Outdoor Corrosion Resistant
- Cold Resistant
- Heat Resistant
- Hydrogen Gas
- Weather Resistant
- Oil Resistant
- Dust Resistant
- Water Resistant
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Plunger Shape Type
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Number of Plunger Rows
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Roller Lever Shape Type
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Lever Shape Type
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Rod Shape Type
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Contact Type
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Contact Point Type
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Contact Material
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Rated Operating Voltage(V)
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Rated Conductance Current(A)
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![Semi-Compact Sealed Switch [D4MC]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559273.jpg?$product_view_b$)
Until 30/06/2024
Until 30/06/2024Semi-Compact Sealed Switch [D4MC]
OMRON
Low-cost and highly practical enclosed switch
[Features]
· Enclosed switch with high durability of 10 million times or more and high repeatability due to built-in micro switch.
· Operation position of the panel mounting type is same as that of the Z type.
· Can be used in applications that require more strength, dust-proof properties and drip-proof properties than micro switches.
· Resin hardened mold terminals are also available.
· UL and CCC standard certifiedFrom: ฿ 402.69 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.
![Small Limit Switch [D4C]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559251.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025OMRON
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: ฿ 1,402.34 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.
![Compact Sealed Switch [ZC-□55]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221000559419_001.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025Compact Sealed Switch [ZC-□55]
OMRON
Compact, high-accuracy enclosed switch.
[Features]
· Small high-accuracy enclosed switch with high durability of 10 million times or more and high repeatability due to built-in micro switch.
· Fitting pitch same as Z type.
· Power required for operation (OF) is less as compared to the general limit switch.
· Operation display convenient for maintenance and inspection is also available.From: ฿ 890.00 Special Price Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
![Flexible Rod Switch [TP70]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559352.jpg?$product_view_b$)
Until 30/06/2024
Until 30/06/2024OMRON
[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: ฿ 3,625.87 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.
![Multi-Pull Limit Switch [VB]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115436.jpg?$product_view_b$)
Until 30/06/2024
![Multi-Pull Limit Switch [VB]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115437.jpg?$product_view_b$)
![Multi-Pull Limit Switch [VB]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115438.jpg?$product_view_b$)
![Multi-Pull Limit Switch [VB]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115439.jpg?$product_view_b$)
![Multi-Pull Limit Switch [VB]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115440.jpg?$product_view_b$)
![Multi-Pull Limit Switch [VB]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115441.jpg?$product_view_b$)
![Multi-Pull Limit Switch [VB]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559363_1.jpg?$product_view_b$)
Until 30/06/2024OMRON
There is also a new release equipped with a VB type. Improvement to the strength and sealing property of the head due to an integrated head box. Drastic improvement in mechanical durability (5 million times).
[Features]
· Possible to use in various types of machine tools and sequence controlling such as transfer machines.
· Since it is equipped with an oil filter, even if oil and water enter into the plunger, it can be removed to the outside.From: ฿ 3,447.95 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.
![Compact Enclosed Switch [SHL]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559341.jpg?$product_view_b$)
Until 30/06/2024
Until 30/06/2024OMRON
Compact, general-purpose horizontal switches. Types suited for micro-loads now also available in the product series.
[Features]
· Features a built-in switch with a highly durable coil spring housed in a tough, high-precision die-cast case.
· Compact and uses a single basic micro switch for applications where strength is required.
· Models for micro-loads and models with operation indicator lights now available as part of the product series.
· The terminal protective cover can be switched to allow the cable cord to come out from either the left or right side.
· Sealing characteristics compliant with IEC IP67 degree of protection. (For environments exposed constantly to oil and water, be sure to use molded terminal specifications.)From: ฿ 680.58 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.
![Small Enclosed Switch [D4E-□N]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559262.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025Small Enclosed Switch [D4E-□N]
OMRON
Further improvement in the performance of D4E type. Light, thin, short and compact model. For high durability and high seal needs.
[Features]
· Improved snap action property, high durability by changing lever ratio of spring of built-in switch board.
· Excellent in dust resistance, oil resistance by using a cover for built-in switch. Provides high durability of sealing cap of plunger.
· Connector system capable of reducing the maintenance time at the time of wiring (familiar screw tightening terminals are also available).
· Micro load type switch can be used in controlling electronic circuit by metal clad contacts.
· Mold terminal type, mold terminal with operation indicator light type are also available in the screw tightening method type.
· Approved by EN (TÜV), UL, CSA, CCC standard.
· The mounting pitch and characteristics are the same as that of the conventional D4E.From: ฿ 771.49 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
![General-Purpose Enclosed Switch [ZE/ZV/ZV2/XE/XV/XV2]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221000559420_001.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025General-Purpose Enclosed Switch [ZE/ZV/ZV2/XE/XV/XV2]
OMRON
General-purpose enclosed switch with high durability and large breaking capacity.
[Features]
· ZE, ZV and ZV2 have a built-in general-purpose Z-type basic switch. Has a high durability and a large breaking capacity.
· XE, XV, XV2 types have a built-in X-type magnet blow-out basic switch. Direct current dedicated series.
· Side mounting, bottom mounting and side diagonal mounting types are available along with a variety of actuators.
· Allows easy connection once the cover is removed, as the terminal of the built-in switch is in the front.From: ฿ 722.00 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.
![Small Limit Switch [D4CC]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559240.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025OMRON
Roller lever type with thickness of 16 mm. Also, connector connection type.
[Features]
· A center roller lever, that can be mounted for 6 times in a row by a roller lever type, is serialized.
· The cable connection is connector connection type with easy replacement of limit switch.
· The plunger has a seal packing and a diaphragm and the built-in switch has a protective cap and a triple seal structure, compliant with IEC standard IP67.
· The types with LED indicator lights are made into series for easy operational check (*As a standard, it lights up when not operating).From: ฿ 1,700.00 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
[Features]
· Compact and light weight seal switch.
· Excellent dust proof and mechanically strong V type compact basic switch by sealing it in die-cast case.
· In case of cams/arms types and cams/roller arms type, the position of arm can be set to 360° random position.From: ฿ 1,409.00 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.
OMRON
Compact and high accuracy seal switch
[Features]
· Compact and high accuracy seal switch with high durability of 10 million times or more, and high repeatability due to built-in micro switch.
· Fitting pitch same as Z type.
· Power required for operation (OF) is less as compared to the general limit switch.
· Operation display convenient for maintenance and inspection is also available.
· Approve by EN(TÜV), UL, CCCFrom: ฿ 796.37 Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
![Oil Resistant Limit Switch [D4ER-□N]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221006384376.jpg?$product_view_b$)
Until 30/06/2024
Until 30/06/2024Oil Resistant Limit Switch [D4ER-□N]
OMRON
The oil resistance of D4E-N has been further improved
[Features]
· It uses HNBR/fluororubber with excellent oil resistance and prevents ingress of cutting fluid from moving parts
· Equipped with a fluorine resin cable that's resistant to cutting fluid
· A lineup of easily wired connector types (Smart Click Connector)
· The microload type can be used for electronic circuit control using gold clad contacts
· EN (TÜV) Standards Acquired
· The mounting pitch is the same as D4E
· Protection Degree IP67G (JIS C 0920 Annex 1)From: ฿ 2,245.00 Special Price Days to Ship:
5 Day(s)
5 Day(s)
![Semi-Compact Sealed Switch [D4MC]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559273.jpg?$product_view_b$)
![Small Limit Switch [D4C]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559251.jpg?$product_view_b$)
![Compact Sealed Switch [ZC-□55]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221000559419_001.jpg?$product_view_b$)
![Flexible Rod Switch [TP70]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559352.jpg?$product_view_b$)
![Compact Enclosed Switch [SHL]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559341.jpg?$product_view_b$)
![Small Enclosed Switch [D4E-□N]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559262.jpg?$product_view_b$)
![General-Purpose Enclosed Switch [ZE/ZV/ZV2/XE/XV/XV2]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221000559420_001.jpg?$product_view_b$)
![Small Limit Switch [D4CC]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559240.jpg?$product_view_b$)
![Oil Resistant Limit Switch [D4ER-□N]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221006384376.jpg?$product_view_b$)
| 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. ![Semi-Compact Sealed Switch [D4MC]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559273.jpg?$product_view_c$) Until 30/06/2024 | You can add up to 6 items per a category to the compare list. ![Small Limit Switch [D4C]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559251.jpg?$product_view_c$) Until 31/03/2025 | You can add up to 6 items per a category to the compare list. ![Compact Sealed Switch [ZC-□55]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221000559419_001.jpg?$product_view_c$) Until 31/03/2025 | You can add up to 6 items per a category to the compare list. ![Flexible Rod Switch [TP70]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559352.jpg?$product_view_c$) Until 30/06/2024 | You can add up to 6 items per a category to the compare list. ![Multi-Pull Limit Switch [VB]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/jp/product/series/221000559363/221000559363_20210409115436.jpg?$product_view_c$) Until 30/06/2024 ![Multi-Pull Limit Switch [VB]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115436.jpg?$product_view_b$){kind=small} ![Multi-Pull Limit Switch [VB]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115437.jpg?$product_view_b$){kind=small} ![Multi-Pull Limit Switch [VB]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115438.jpg?$product_view_b$){kind=small} ![Multi-Pull Limit Switch [VB]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115439.jpg?$product_view_b$){kind=small} ![Multi-Pull Limit Switch [VB]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115440.jpg?$product_view_b$){kind=small} ![Multi-Pull Limit Switch [VB]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559363/221000559363_20210409115441.jpg?$product_view_b$){kind=small} ![Multi-Pull Limit Switch [VB]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559363_1.jpg?$product_view_b$){kind=small} | You can add up to 6 items per a category to the compare list. ![Compact Enclosed Switch [SHL]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559341.jpg?$product_view_c$) Until 30/06/2024 | You can add up to 6 items per a category to the compare list. ![Small Enclosed Switch [D4E-□N]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559262.jpg?$product_view_c$) Until 31/03/2025 | You can add up to 6 items per a category to the compare list. ![General-Purpose Enclosed Switch [ZE/ZV/ZV2/XE/XV/XV2]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221000559420_001.jpg?$product_view_c$) Until 31/03/2025 | You can add up to 6 items per a category to the compare list. ![Small Limit Switch [D4CC]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559240.jpg?$product_view_c$) 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.  | You can add up to 6 items per a category to the compare list. ![Oil Resistant Limit Switch [D4ER-□N]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/221006384376.jpg?$product_view_c$) Until 30/06/2024 | |
| Brand | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON | OMRON |
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| From | ฿ 402.69 Special Price On Sale Until 30/06/2024 | ฿ 1,402.34 Special Price On Sale Until 31/03/2025 | ฿ 890.00 Special Price On Sale Until 31/03/2025 | ฿ 3,625.87 Special Price On Sale Until 30/06/2024 | ฿ 3,447.95 Special Price On Sale Until 30/06/2024 | ฿ 680.58 Special Price On Sale Until 30/06/2024 | ฿ 771.49 Special Price On Sale Until 31/03/2025 | ฿ 722.00 Special Price On Sale Until 31/03/2025 | ฿ 1,700.00 Special Price On Sale Until 31/03/2025 | ฿ 1,409.00 Special Price On Sale Until 31/03/2025 | ฿ 796.37 | ฿ 2,245.00 Special Price On Sale Until 30/06/2024 |
| Days to Ship | Same day | Same day | 5 Day(s) | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | 5 Day(s) |
| Detector Shape | Plunger Type / Lever Shape (Push) | Plunger Type / Roller Lever Type (Rotary) / Rod Shape | Plunger Type | Rod Shape | Plunger Type | Plunger Type / Lever Shape (Push) | Plunger Type / Roller Lever Type (Rotary) | Plunger Type / Lever Shape (Push) | Plunger Type / Roller Lever Type (Rotary) / Rod Shape | Plunger Type / Others | Plunger Type | Plunger Type / Roller Lever Type (Rotary) |
| Main Body Size | Small Type | Small Type | Small Type | Standard | Standard | Small Type | Small Type | Standard | Small Type | Small Type | Small Type | Standard |
| Environment | Standard / Dust Resistant | Standard / Weather Resistant | Standard | Standard | Standard / Oil Resistant / Water Resistant | Standard / Oil Resistant / Dust Resistant | Standard / Oil Resistant / Dust Resistant | Standard | Standard | Standard / Oil Resistant / Dust Resistant | Standard | Oil Resistant |
| Plunger Shape Type | Top Plunger / Roller Plungers | Top Plunger / Roller Plungers | Top Plunger / Roller Plungers | - | Roller Plungers / Multiple | Top Plunger / Roller Plungers | Top Plunger / Roller Plungers | Top Plunger / Roller Plungers | Top Plunger / Roller Plungers | Top Plunger | Top Plunger | Roller Plungers |
| Number of Plunger Rows | - | - | - | - | 2 / 3 / 4 / 5 / 6 | - | - | - | - | - | - | - |
| Roller Lever Shape Type | - | Standard / Variable Roller Lever / Center Roller Lever | - | - | - | - | Standard | - | Standard / Center Roller Lever | Standard | - | Standard |
| Lever Shape Type | Hinge Lever / Hinge Roller Levers | - | - | - | - | Hinge Lever / Hinge Roller Levers | One Way Roller Vertical / Hinge Roller Levers | Arm Lever | - | Arm Lever | - | - |
| Rod Shape Type | - | Spring + Resin Rod | - | - | - | - | - | - | Spring + Resin Rod | - | - | - |
| Contact Type | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw | Single Pole Double Throw |
| Contact Point Type | - | - | Rivet | - | - | - | - | - | - | - | - | - |
| Contact Material | - | - | - | - | - | - | - | - | - | - | - | Gold Alloy |
| Rated Operating Voltage(V) | 30 VDC or Less / AC240/250V | 30 VDC or Less / AC100/125V / AC240/250V | 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V | - | AC100/125V / AC240/250V | 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V | 30 VDC or Less / AC100/125V | - | 30 VDC or Less / AC100/125V | AC240/250V | 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V | 30 VDC or Less |
| Rated Conductance Current(A) | 10 | 0.1 ～ 5 | 10 | - | 10 | 0.5 ～ 15 | 0.1 ～ 5 | - | 1 | 10 | - | 0.1 ～ 1 |
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Related Categories to Limit Switch
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.
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