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Limit Switch（Environment：Cold Resistant）
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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![Two-Circuit Limit Switch [WL-N/WL]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221000559396/221000559396_20201112121128.jpg?$product_view_b$)
Until 31/03/2025
![Two-Circuit Limit Switch [WL-N/WL]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221000559396/221000559396_20201112121129.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221000559396/221000559396_20201112121130.jpg?$product_view_b$)
Until 31/03/2025Two-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: ฿ 2,026.00 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.
![Small Safety Limit Switch [D4N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121441.jpg?$product_view_b$)
Until 31/03/2025
![Small Safety Limit Switch [D4N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121442.jpg?$product_view_b$)
![Small Safety Limit Switch [D4N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121443.jpg?$product_view_b$)
![Small Safety Limit Switch [D4N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121444.jpg?$product_view_b$)
Until 31/03/2025Small 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: ฿ 1,392.00 Special Price Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
![Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138013.jpg?$product_view_b$)
Until 30/06/2024
Until 30/06/2024Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]
OMRON
Next generation security door switch that supports multi-contacts, reduced man-hours and micro loads
[Features]
· As for the contact configuration, 3 contact types of 2NC / 1NO and 3NC are available in addition to the conventional 1NC / 1NO and 2NC.
· M12 connector types are now also available for reduced man-hours and for facilitating replacement work.
· Standardized gold-clad contacts provide high contact reliability. Can be used with both general loads and micro loads.
· Multiple types of metallic heads available.From: ฿ 919.88 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.
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115437.jpg?$product_view_b$)
Until 31/03/2025
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115438.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115439.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005137999.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115440.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115441.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115442.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115443.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115444.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115445.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115446.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115447.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115448.jpg?$product_view_b$)
![Safety Door Switch [D4BS]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115449.jpg?$product_view_b$)
Until 31/03/2025OMRON
Blocks the control circuit by directly opening the contact by using the dedicated operation key when opening a protective door, such as for machine tools.
[Features]
· Approved by EN (TÜV) standards compliant with CE markings.
· Approved by UL, CSA.
· Opening the switch contact at the time of opening protective cover by using the direct opening mechanism (only on NC contact side).
· Approval of EN standard direct opening operation is shown by marking the switch.
· Prevents error operation and fake operation by using a dedicated operation key.
· A wide temperature range of -40 to +80°C.
· The protective structure of the switch enclosure is approved by IP67 (EN60947-5-1).From: ฿ 255.00 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 Safety Limit Switch [D4F]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138035.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025Small Safety Limit Switch [D4F]
OMRON
[Features]
· Limit switch with direct opening mechanism (4 contacts).
· Safety limit switch with high sensitivity.
· Built-in switch is available with 2 contacts or 4 contacts.From: ฿ 2,282.00 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.
![Safety Limit Switch [D4B-□N]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138091_1.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025OMRON
Robust safety limit switch with metallic housing.
Certified with direct opening mechanism for both slow action and snap action types.
[Features]
· Direct opening mechanism (only at NC contact side) that opens the contact when an abnormality occurs in contact welding, etc.
· Realized a safety lever setting by using a mechanism where the lever is interlocked with the operating position display board.
· Also equipped with proper operation zone display mechanism.
· Single-action switching between left and right operation directions.
· The sealing structure of the head is reinforced to improve sealing properties (TÜV: IEC IP67, UL: NEMA3, 4, 4X, 6P, 13).From: ฿ 1,818.00 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.
![Cylindrical Touch Switch [D5C]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559307.jpg?$product_view_b$)
Until 30/06/2024
Until 30/06/2024Cylindrical Touch Switch [D5C]
OMRON
Possible to detect just by touching slightly. ø18 slim type shape.From: ฿ 7,172.00 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.
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115435.jpg?$product_view_b$)
Until 31/03/2025
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115436.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115437.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559228.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115438.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115439.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115440.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115441.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115442.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115443.jpg?$product_view_b$)
![Compact Heavy Equipment Limit Switch [D4A-□N]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115444.jpg?$product_view_b$)
Until 31/03/2025Compact 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:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
![High Precision Switch [D5A]](//th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559284.jpg?$product_view_b$)
Until 30/06/2024
Until 30/06/2024OMRON
High-accuracy switch that detects micron displacement
[Features]
· Can be used to detect cutting edge wearing such as drill, tool bit, and to detect origin of the machined work.
· Excellent in abrasion-resistance. Uses ceramic plunger that does not get affected by change in the temperature (in case of M5, M8, slim type).
· Direct input to microcontroller and PC is possible.
· Variety of connectors with operation display indicator light availableFrom: ฿ 5,422.00 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 31/03/2025Small safety door hinge door switch
OMRON
Compact safety hinge door switch made up of resin and supporting reduction in space of machineFrom: ฿ 1,846.00 Special Price Days to Ship:
Same day
Same day
![Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138013.jpg?$product_view_b$)
![Small Safety Limit Switch [D4F]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138035.jpg?$product_view_b$)
![Safety Limit Switch [D4B-□N]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138091_1.jpg?$product_view_b$)
![Cylindrical Touch Switch [D5C]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559307.jpg?$product_view_b$)
![High Precision Switch [D5A]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559284.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. ![Two-Circuit Limit Switch [WL-N/WL]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/cn/product/series/221000559396/221000559396_20201112121128.jpg?$product_view_c$) Until 31/03/2025 ![Two-Circuit Limit Switch [WL-N/WL]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221000559396/221000559396_20201112121128.jpg?$product_view_b$){kind=small} ![Two-Circuit Limit Switch [WL-N/WL]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221000559396/221000559396_20201112121129.jpg?$product_view_b$){kind=small} ![Two-Circuit Limit Switch [WL-N/WL]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221000559396/221000559396_20201112121130.jpg?$product_view_b$){kind=small} | You can add up to 6 items per a category to the compare list. ![Small Safety Limit Switch [D4N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/cn/product/series/221005138046/221005138046_20201112121441.jpg?$product_view_c$) Until 31/03/2025 ![Small Safety Limit Switch [D4N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121441.jpg?$product_view_b$){kind=small} ![Small Safety Limit Switch [D4N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121442.jpg?$product_view_b$){kind=small} ![Small Safety Limit Switch [D4N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121443.jpg?$product_view_b$){kind=small} ![Small Safety Limit Switch [D4N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/cn/product/series/221005138046/221005138046_20201112121444.jpg?$product_view_b$){kind=small} | You can add up to 6 items per a category to the compare list. ![Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138013.jpg?$product_view_c$) Until 30/06/2024 | You can add up to 6 items per a category to the compare list. ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/jp/product/series/221005137999/221005137999_20210409115437.jpg?$product_view_c$) Until 31/03/2025 ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115437.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115438.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115439.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005137999.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115440.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115441.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115442.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115443.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115444.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115445.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115446.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115447.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115448.jpg?$product_view_b$){kind=small} ![Safety Door Switch [D4BS]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221005137999/221005137999_20210409115449.jpg?$product_view_b$){kind=small} | You can add up to 6 items per a category to the compare list. ![Small Safety Limit Switch [D4F]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138035.jpg?$product_view_c$) Until 31/03/2025 | You can add up to 6 items per a category to the compare list. ![Safety Limit Switch [D4B-□N]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221005138091_1.jpg?$product_view_c$) Until 31/03/2025 | You can add up to 6 items per a category to the compare list. ![Cylindrical Touch Switch [D5C]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559307.jpg?$product_view_c$) Until 30/06/2024 | You can add up to 6 items per a category to the compare list. ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/jp/product/series/221000559228/221000559228_20210409115435.jpg?$product_view_c$) Until 31/03/2025 ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115435.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115436.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115437.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559228.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115438.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115439.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115440.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115441.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115442.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115443.jpg?$product_view_b$){kind=small} ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/221000559228/221000559228_20210409115444.jpg?$product_view_b$){kind=small} | You can add up to 6 items per a category to the compare list. ![High Precision Switch [D5A]](http://th.misumi-ec.com/en/linked/material/mech/OMR1/PHOTO/OMR1_221000559284.jpg?$product_view_c$) 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 |
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| From | ฿ 2,026.00 Special Price On Sale Until 31/03/2025 | ฿ 1,392.00 Special Price On Sale Until 31/03/2025 | ฿ 919.88 Special Price On Sale Until 30/06/2024 | ฿ 255.00 Special Price On Sale Until 31/03/2025 | ฿ 2,282.00 Special Price On Sale Until 31/03/2025 | ฿ 1,818.00 Special Price On Sale Until 31/03/2025 | ฿ 7,172.00 Special Price On Sale Until 30/06/2024 | ฿ 2,457.00 Special Price On Sale Until 31/03/2025 | ฿ 5,422.00 Special Price On Sale Until 30/06/2024 | ฿ 1,846.00 Special Price On Sale Until 31/03/2025 |
| Days to Ship | 5 Day(s) | 5 Day(s) | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day |
| Detector Shape | Roller Lever Type (Rotary) / Rod Shape | Plunger Type / Roller Lever Type (Rotary) | Others | Others | Plunger Type / Roller Lever Type (Rotary) | Plunger Type / Roller Lever Type (Rotary) | Plunger Type / Rod Shape / Others | Plunger Type / Rod Shape / No Lever Type (Knurled Shaft) | Plunger Type | No Lever Type (Knurled Shaft) / Others |
| Main Body Size | Standard | Standard | Small Type | Standard | Small Type | Standard | Small Type | Small Type | Standard | Small Type |
| Environment | Cold Resistant | Cold Resistant | Cold Resistant | Cold Resistant | Cold Resistant | Cold Resistant | Cold Resistant | Cold Resistant | Cold Resistant | Cold Resistant |
| Plunger Shape Type | - | Top Plunger / Roller Plungers | - | - | Roller Plungers | Top Plunger / Roller Plungers | Top Plunger | Top Plunger / Roller Plungers / PerpendiCular Side Roller Plungers | Top Plunger | Side Surface Plunger |
| Number of Plunger Rows | - | - | - | - | - | - | - | - | - | - |
| Roller Lever Shape Type | Standard / Variable Roller Lever | Standard / Fork Lever Lock / Variable Roller Lever | - | - | Standard | Standard / Variable Roller Lever | - | - | - | - |
| Lever Shape Type | - | One Way Roller Horizontal | - | - | - | One Way Roller Horizontal | - | - | - | - |
| Rod Shape Type | Spring + Metal Rod | - | - | - | - | - | Spring + Metal Rod | Spring + Resin Rod / All Spring Rod | - | - |
| Contact Type | 2-Circuit Double Break | Mutually Insulated Double Throw | Mutually Insulated Double Throw | Mutually Insulated Double Throw | Mutually Insulated Double Throw | Mutually Insulated Double Throw / 2-Circuit Double Break | Mutually Insulated Double Throw | 2-Circuit Double Break / 4-Circuit Double Break | Mutually Insulated Double Throw | Mutually Insulated Double Throw |
| Contact Point Type | - | Rivet | - | - | - | - | - | - | - | - |
| Contact Material | - | - | - | - | - | - | - | - | - | - |
| Rated Operating Voltage(V) | 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V | DC125V / DC250V / AC100/125V / AC240/250V | DC125V / DC250V | AC100/125V / More than AC300V | DC125V / DC250V | 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V | 30 VDC or Less | AC100/125V / More than AC300V | 30 VDC or Less | DC125V / DC250V |
| Rated Conductance Current(A) | 10 | 2.5 | 2.5 | 10 | 2.5 | 10 | 0.2 | 5 ～ 10 | 0.01 ～ 0.1 | 2.5 |
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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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