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OMRON Limit Switch（Contact Type：2-Circuit Double Break）
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5 items
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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_20201112121129.jpg?$product_view_b$)
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![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_009.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_008.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_007.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_006.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_005.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_004.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_003.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_002.jpg?$product_view_b$)
![Two-Circuit Limit Switch [WL-N/WL]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_001.jpg?$product_view_b$)
Two-Circuit Limit Switch [WL-N/WL]
OMRON
The 2-circuit limit switch with variety of models that can be selected matching to the usage environment and application.
[Features]
· Circuit will break without fail by using 2-circuit double-break.
· Structure suitable to IP67 due to O ring and/or cover seal.
· Overseas approval corresponding to the machines for export approved by UL, CSA, TUV, EN/IEC, CCC.
· Most suitable to machines for export.
· Optimum high accuracy type in controlling the position is available in all types.
· Movement till operation is less (about 5°) but repeatability is two times of standard type- Volume Discount
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) Plunger Type / Roller Lever Type (Rotary) / Rod Shape Standard Standard / Outdoor Corrosion Resistant / Cold Resistant / Heat Resistant / Hydrogen Gas / Weather Resistant / Oil Resistant / Water Resistant Top Plunger / Ball Plungers / Roller Plungers / PerpendiCular Side Roller Plungers / Side Surface Plunger / Side Surface Ball Plunger - Standard / Fork Lever Lock / Variable Roller Lever / Variable Rod Lever / Spring Rod Lever - Variable Metal Rod / Spring + Metal Rod / Spring + Resin Rod 2-Circuit Double Break - - 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V 0.1 ～ 20 From: ₹ 938.42 Days to Ship: Same day or more 
Same day or more
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![Small Limit Switch [HL-5000]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559453_001.jpg?$product_view_b$)
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.
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) Plunger Type / Roller Lever Type (Rotary) / Rod Shape Small Type Standard Top Plunger / Roller Plungers - Standard / Variable Roller Lever Lever Variable Metal Rod / Spring + Metal Rod 2-Circuit Double Break - - AC240/250V 5 From: ₹ 1,869.00 Days to Ship: Same day or more
Same day or more
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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?$product_view_b$)
![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?$product_view_b$)
![Small Safety Limit Switch [D4N]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221005138046_003.jpg?$product_view_b$)
![Small Safety Limit Switch [D4N]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221005138046_002.jpg?$product_view_b$)
![Small Safety Limit Switch [D4N]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221005138046_001.jpg?$product_view_b$)
Small Safety Limit Switch [D4N]
OMRON
Safety limit switch standards. Enriched products provided globally
- CAD ：
- 3D
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) Plunger Type / Roller Lever Type (Rotary) / Rod Shape Small Type Standard Top Plunger / Roller Plungers - Standard / Fork Lever Lock / Variable Roller Lever Arm Lever Spring + Resin Rod 2-Circuit Double Break - - DC125V / DC250V 2.5 From: ₹ 817.00 Days to Ship: Same day or more
Same day or more
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![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?$product_view_b$)
![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]](//in.misumi-ec.com/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?$product_view_b$)
Compact Heavy Equipment Limit Switch [D4A-□N]
OMRON
Standards with improved sealing properties, shock resistance properties and strength tolerance
[Features]
· A double seal on the head, a complete gasket cover, and other features ensure a better seal.
· Wide standard operating temperature range (-40 to +100°C: standard type).
· Models with fluoro-rubber available for greater resistance to chemicals.
· Block mounting method also reduces downtime for maintenance.
· 4-circuit double-break models available for complex operationsDetector 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) Plunger Type / Rod Shape / No Lever Type (Knurled Shaft) / Roller lever type Small Type Standard / Cold Resistant Top Plunger / Roller Plungers / PerpendiCular Side Roller Plungers - Spring Rod Lever - Spring + Metal Rod / Spring + Resin Rod / All Spring Rod 2-Circuit Double Break - - More than AC300V 10 From: ₹ 3,998.27 Days to Ship: 5 Day(s) or more
5 Day(s) or more
-
You can add up to 6 items per a category to the compare list.
![Safety Limit Switch [D4B-□N]](//in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/OMR1_221005138091_1.jpg?$product_view_b$)
OMRON
Robust safety limit switch with metallic housing. Direct opening mechanism in both of slow action type, and snap action type
[Features]
· Direct opening mechanism (only at NC contact side) to separate contact at the time of fault in contact welding.
· Safety of lever setting is achieved by using operation position display board and mechanism by which lever is interlocked.
· Proper operation zone display mechanism is also available.
· Moreover, changing of direction of lateral movement is also by one-touch.
· Improvement in sealing property by strengthening the seal structure of head part (meets TÜ V: IECIP67, UL: NEMA3, 4, 4X, 6P,13).
· Wide available temperature range of - 40 to +80°C.
· Approved by UL, CSA, EN(TÜV), CCC- CAD ：
- 3D
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) Plunger Type / Roller Lever Type (Rotary) Standard Standard / Cold Resistant Top Plunger / Roller Plungers - Standard / Variable Roller Lever One Way Roller Horizontal - 2-Circuit Double Break - - 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V 10 From: ₹ 4,598.31 Days to Ship: 5 Day(s) or more
5 Day(s) or more
![Small Limit Switch [HL-5000]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559453_001.jpg?$product_view_b$)
![Safety Limit Switch [D4B-□N]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/OMR1_221005138091_1.jpg?$product_view_b$)
| Brand |
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| 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?$product_view_c$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_009.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_008.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_007.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_006.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_005.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_004.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_003.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_002.jpg?$product_view_b$) ![Two-Circuit Limit Switch [WL-N/WL]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559396_001.jpg?$product_view_b$) | You can add up to 6 items per a category to the compare list. ![Small Limit Switch [HL-5000]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221000559453_001.jpg?$product_view_c$) | 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?$product_view_c$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![Small Safety Limit Switch [D4N]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221005138046_003.jpg?$product_view_b$) ![Small Safety Limit Switch [D4N]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221005138046_002.jpg?$product_view_b$) ![Small Safety Limit Switch [D4N]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/221005138046_001.jpg?$product_view_b$) | 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?$product_view_c$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![Compact Heavy Equipment Limit Switch [D4A-□N]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/OMR1_221000559228.jpg?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) ![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?$product_view_b$) | You can add up to 6 items per a category to the compare list. ![Safety Limit Switch [D4B-□N]](http://in.misumi-ec.com/linked/material/mech/OMR1/PHOTO/OMR1_221005138091_1.jpg?$product_view_c$) | |
| Brand | OMRON | OMRON | OMRON | OMRON | OMRON |
| Product Series | |||||
| CAD |
|
|
|
| |
| From | ₹ 938.42- | ₹ 1,869.00- | ₹ 817.00- | ₹ 3,998.27- | ₹ 4,598.31- |
| Days to Ship | Same day or more | Same day or more | Same day or more | 5 Day(s) or more | 5 Day(s) or more |
| Detector Shape | Plunger Type / Roller Lever Type (Rotary) / Rod Shape | Plunger Type / Roller Lever Type (Rotary) / Rod Shape | Plunger Type / Roller Lever Type (Rotary) / Rod Shape | Plunger Type / Rod Shape / No Lever Type (Knurled Shaft) / Roller lever type | Plunger Type / Roller Lever Type (Rotary) |
| Main Body Size | Standard | Small Type | Small Type | Small Type | Standard |
| Environment | Standard / Outdoor Corrosion Resistant / Cold Resistant / Heat Resistant / Hydrogen Gas / Weather Resistant / Oil Resistant / Water Resistant | Standard | Standard | Standard / Cold Resistant | Standard / Cold Resistant |
| Plunger Shape Type | Top Plunger / Ball Plungers / Roller Plungers / PerpendiCular Side Roller Plungers / Side Surface Plunger / Side Surface Ball Plunger | Top Plunger / Roller Plungers | Top Plunger / Roller Plungers | Top Plunger / Roller Plungers / PerpendiCular Side Roller Plungers | Top Plunger / Roller Plungers |
| Number of Plunger Rows | - | - | - | - | - |
| Roller Lever Shape Type | Standard / Fork Lever Lock / Variable Roller Lever / Variable Rod Lever / Spring Rod Lever | Standard / Variable Roller Lever | Standard / Fork Lever Lock / Variable Roller Lever | Spring Rod Lever | Standard / Variable Roller Lever |
| Lever Shape Type | - | Lever | Arm Lever | - | One Way Roller Horizontal |
| Rod Shape Type | Variable Metal Rod / Spring + Metal Rod / Spring + Resin Rod | Variable Metal Rod / Spring + Metal Rod | Spring + Resin Rod | Spring + Metal Rod / Spring + Resin Rod / All Spring Rod | - |
| Contact Type | 2-Circuit Double Break | 2-Circuit Double Break | 2-Circuit Double Break | 2-Circuit Double Break | 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 | AC240/250V | DC125V / DC250V | More than AC300V | 30 VDC or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V |
| Rated Conductance Current(A) | 0.1 ～ 20 | 5 | 2.5 | 10 | 10 |
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Specification/Dimensions
-
Detector Shape
-
Main Body Size
- Standard
- Small Type
-
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
-
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
-
Contact Type
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Contact Point Type
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Contact Material
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Rated Operating Voltage(V)
-
Rated Conductance Current(A)
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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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