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Showing Results For: Grab Wire Switches

Grab Wire Switches

Grab wire switches, also referred to as pull cord switches or rope pull switches, are safety components built to provide emergency shutdown of machinery or processes. They can be beneficial in scenarios where personnel need to have the ability to instantly stop equipment from various spots along a production line or in hazardous areas. Additionally, where push-button emergency stops need the operator at a fixed point, grab-wire switches allow continuous emergency stops over a designated path or region. These devices feature a switch mechanism linked to a tensioned wire or rope, covering the area in need of protection. The simple yet effective layout enables anyone to instantly halt the operation of equipment by pulling the wire at any point along its length, offering a crucial layer of safety for personnel and preventing potential accidents or damage to equipment. 

Working Principle of Grab Wire Switches

A grab-wire switch consists of the following:

  • A Switch Mechanism: This is the core of the device, containing contacts that complete or interrupt an electrical circuit.
  • A Tensioned Wire or Rope: This wire is joined to the switch mechanism and runs along the area that requires protection.
  • Anchor Points and Supports: These protect the wire and maintain tension.   

When the wire is dragged anywhere along its length, it triggers the switch mechanism. This action usually: 

  • Opens a normally closed (NC) circuit: This halts the power supply to the machinery or process, causing it to stop the operation.
  • Or may also close a normally open (NO) circuit: This can be used to trigger an alarm or other safety systems.

Standout Features and Benefits of Using Our High-Strength Grab Wire Switches

  • Provides a rapid and easy method to stop machinery in emergencies.   
  • A single-grab wire switch can offer protection over a long distance.
  • The wire can be easily grabbed from any point along its length.
  • Simple mechanical design guarantees reliable operation.

Versatile Uses of Grab Wire Switches

  • Conveyor Systems: Stopping conveyor belts in jams or emergencies.   
  • Manufacturing Lines: Provide emergency shutdowns for various production machinery.
  • Material Handling Equipment: Stopping cranes, hoists, and other material handling components.
  • Mining & Construction: Offers safety shutdowns in dangerous environments.

Summary

Grab wire switches are essential safety components in various industrial and hazardous environments. Their simple yet effective form factor offers a dependable means of emergency shutdown, helping to shield personnel and prevent accidents.


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RP-RM83F-38LT, Banner
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£ 182.06
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3SE71501BF00, Siemens
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£ 113.10
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3SE71501BD00, Siemens
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XY2CH13470, Schneider Electric
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XY2CD111H29, Schneider Electric
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XY2CH13390H29, Schneider Electric
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£ 155.13
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XY2CD433180, Schneider Electric
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£ 92.75
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XY2CE2C270TK, Schneider Electric
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£ 413.23
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XY2CH13293, Schneider Electric
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£ 217.25
Schneider Electric
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XY2CH13170H29, Schneider Electric
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XY2CEDA296, Schneider Electric
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XY2CE1A150, Schneider Electric
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£ 435.71
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XY2CH13470H29, Schneider Electric
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XY2CH33010, Schneider Electric
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XY2CE5A250, Schneider Electric
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XY2CH13370, Schneider Electric
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XY2CH13250TK, Schneider Electric
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XY2CE3A010, Schneider Electric
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XY2CH13290H7, Schneider Electric
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XY2CH14250TK, Schneider Electric
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XY2CE6A250, Schneider Electric
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XY2CH13350, Schneider Electric
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XY2CEDA190, Telemecanique
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3SE71501BF00, Siemens

3SE71501BF00, Siemens

3SE7 Emergency Grab Wire Switch The 3SE7 series of grab wire switches (trip wire switches, cable operated switches) are used for monitoring or for EMERGENCY STOP devices on particularly dangerous system sections. As the effective range of a grab wire switch is only limited by the length of the grab wire, large systems can also be protected. Switches (requiring pulling at both ends) and conveyor belt unbalance trackers are used primarily for monitoring very long belt systems. Design The switches for wire lengths up to 50m are available with 1 NO + 1 NC or 2 NC contacts and for up to 75m with 1 NO + 3 NC contacts. The switches for wire lengths of 2 ´ 75m and the conveyor belt unbalance trackers are supplied with 2 NO + 2 NC contacts. The grab wire switch and the conveyor belt unbalance tracker are also available with a factory fitted LED (red, 24 V DC). This light has innovative on board chip technology that allows the operating state of the switch to be visible at a distance of at least 50m. Function The NC contacts of the grab wire switch and the conveyor belt unbalance tracker are positive opening. The grab wire switches with one side operation are held in free position by the pre-tension on the turnbuckle. In the 3SE7 140 and 3SE7 150 grab wire switches, both switching contacts are available for wire-break/wire-pull signalling. The NO contact can be used, for example, for signalling purposes. On switches with interlocking, with a pre-tensioned wire, the locking must be deactivated beforehand in order to return the grab wire switch to its original position. Positive latching and positive NC contacts Switches for wire lengths up to 75m Metal housing Enclosure is screw mounted IP65 rating Operating temperature: -25 to +70°C Note Stock nos. 764-4341 , 764-4301 , 764-4304 , 764-4357 are fitted with an indicator light. Approvals UL,CSA Standards The switches are equipped with positive latching and positive NC contacts and are therefore suitable for oper...
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SRM-U1Z/U1Z-QF-175, Bernstein

SRM-U1Z/U1Z-QF-175, Bernstein

Bernstein SRM Safety Rope Pull Switches Even under extreme conditions, such as major temperature fluctuations, the SRM rope pull switch continues to work reliably. Rope pull switch manufactured in accordance with DIN EN 60947-5-5 and DIN EN ISO 13850 Protection class IP67 Stable and durable metal housing (aluminium pressure die-casting) Suitable for outdoor use Can be deployed at temperatures between -30 to +80 °C Easy to fasten due to hole template patterns common for most rope pull switch models Flexible handling with three M20 x 1.5 cable entries Easy installation due to the maximum connection space Up to four positively driven NC contacts Separate-action built-in switches
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XY2CD111H29, Schneider Electric

XY2CD111H29, Schneider Electric

The Schneider Electric product is part of the XY2C range, an offer of emergency stop rope pull switches. This rope pull switch has 1 normally closed + 1 normally opened, slow-break contacts with positive opening operation. It is a switch with a rated operational current of 0.1A at 600V DC, 1.2A at 600V AC and a conventional enclosed thermal current of 10A. It is suitable for applications such as woodworking machines, shears, conveyor systems, printing machines, textile machines etc
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XY2CE1A250H7, Telemecanique Sensors

XY2CE1A250H7, Telemecanique Sensors

Telemecanique XY2CE & XY2CB Emergency Stop Rope Pull Switches These emergency stop trip wire switches are designed to reduce the risk of injury to persons and damage either to machines or work in progress. They can be tripped by a single human action when a normal emergency stop function is not available and will also trip in the event of the trip wire breaking. Switches incorporate positive opening operation contacts, the tripping of the switch being made with positive action The switch latches in the tripped position (N/C safety contact(s) open). The function of the N/O contact is purely for signalling Incorporates a reset button, which re-closes the safety contact(s), restarting of the machine must only be achieved by manual operation of a control device within the machine start circuit, remote to the trip wire switch Recommended distance between cable supports is 15m (for model XY2-CB30 a distance of 20m is recommended) The XY2 CE1A296 comes with a pilot light (direct supply) Note The XY2 CB switch must not be used if the installation requires that the trip wire be angled but the XY2 CE switch can. In this case, the total sum of the angles through which the trip wire bends must not exceed 180°. Standards EN/ISO 13850:2006
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XY2CE1A296H7, Telemecanique Sensors

XY2CE1A296H7, Telemecanique Sensors

Telemecanique XY2CE & XY2CB Emergency Stop Rope Pull Switches These emergency stop trip wire switches are designed to reduce the risk of injury to persons and damage either to machines or work in progress. They can be tripped by a single human action when a normal emergency stop function is not available and will also trip in the event of the trip wire breaking. Switches incorporate positive opening operation contacts, the tripping of the switch being made with positive action The switch latches in the tripped position (N/C safety contact(s) open). The function of the N/O contact is purely for signalling Incorporates a reset button, which re-closes the safety contact(s), restarting of the machine must only be achieved by manual operation of a control device within the machine start circuit, remote to the trip wire switch Recommended distance between cable supports is 15m (for model XY2-CB30 a distance of 20m is recommended) The XY2 CE1A296 comes with a pilot light (direct supply) Note The XY2 CB switch must not be used if the installation requires that the trip wire be angled but the XY2 CE switch can. In this case, the total sum of the angles through which the trip wire bends must not exceed 180°. Standards EN/ISO 13850:2006
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XY2CEDA190, Telemecanique

XY2CEDA190, Telemecanique

Telemecanique XY2CED Emergency Stop Dual Rope Pull Switches Telemecanique XY2CED emergency stop dual rope pull switches are designed to reduce the risk of injury to persons and damage either to machines or work in progress. These dual rope pull switches feature double anchor points and can support up to 2 x 100 m with supports and pulleys. They can be tripped by a single human action when a normal emergency stop function is not available and will also trip in the event of the tripwire breaking. Features and Benefits Switches incorporate positive opening operation contacts, the tripping of the switch being made with positive action The switch latches in the tripped position (N/C safety contact(s) open). The function of the N/O contact is purely for signalling Incorporates a reset button, which re-closes the safety contact(s), restarting of the machine must only be achieved by manual operation of a control device within the machine start circuit, remote to the trip wire switch Recommended distance between cable supports is 15m
New items
3SE71501BD00, Siemens

3SE71501BD00, Siemens

3SE7 Emergency Grab Wire Switch The 3SE7 series of grab wire switches (trip wire switches, cable operated switches) are used for monitoring or for EMERGENCY STOP devices on particularly dangerous system sections. As the effective range of a grab wire switch is only limited by the length of the grab wire, large systems can also be protected. Switches (requiring pulling at both ends) and conveyor belt unbalance trackers are used primarily for monitoring very long belt systems. Design The switches for wire lengths up to 50m are available with 1 NO + 1 NC or 2 NC contacts and for up to 75m with 1 NO + 3 NC contacts. The switches for wire lengths of 2 ´ 75m and the conveyor belt unbalance trackers are supplied with 2 NO + 2 NC contacts. The grab wire switch and the conveyor belt unbalance tracker are also available with a factory fitted LED (red, 24 V DC). This light has innovative on board chip technology that allows the operating state of the switch to be visible at a distance of at least 50m. Function The NC contacts of the grab wire switch and the conveyor belt unbalance tracker are positive opening. The grab wire switches with one side operation are held in free position by the pre-tension on the turnbuckle. In the 3SE7 140 and 3SE7 150 grab wire switches, both switching contacts are available for wire-break/wire-pull signalling. The NO contact can be used, for example, for signalling purposes. On switches with interlocking, with a pre-tensioned wire, the locking must be deactivated beforehand in order to return the grab wire switch to its original position. Positive latching and positive NC contacts Switches for wire lengths up to 75m Metal housing Enclosure is screw mounted IP65 rating Operating temperature: -25 to +70°C Note Stock nos. 764-4341 , 764-4301 , 764-4304 , 76...
New items
XY2CD433180, Schneider Electric

XY2CD433180, Schneider Electric

The Schneider Electric product is part of the XY2C range, an offer of emergency stop rope pull switches. This emergency stop rope pull switch has 1 normally closed + 1 normally opened, slow-break contacts with positive opening operation. It is a switch with a rated operational current of 0.27A at 250V AC, 3A at 240V AC and a conventional enclosed thermal current of 10A. It is furnished with screw clamp terminals for electrical connection and 3 plain hole for PG13.5 or ISO M20 cable gland. It offers long mechanical durability which is about 60000 operating cycles It is an IP66 rated product It is suitable for applications such as woodworking machines, shears, conveyor systems, printing machines, textile machines etc
New items
PSEN rs1.0-300, Pilz

PSEN rs1.0-300, Pilz

PSEN Safety Rope Pull Switch The PSENrope from Pilz is a manually operated rope pull switch used to safely shut down functional processes that extend over a wide area, such as conveyors. It provides maximum safety, as the emergency stop function can be triggered at any point along the rope. Available with either a polyamide or aluminium enclosure which has three M20x1.5 cable entries. When the cover is closed correctly and an equivalent specification cable gland used, IP67 protection can be achieved. Flexible to use as the operating range is limited only by the length of the rope Extremely resilient and suitable for both indoor and outdoor use High level of safety due to the wiring space being physically separate from the mechanics Dual function mushroom type pushbutton with E-STOP and pull-to-release
New items
RP-RM83F-38LT, Banner

RP-RM83F-38LT, Banner

Turck RP Series Rope Pull Switch The RP series of rope pull switches are robustly built with a premium finish and are designed to be used in a wide variety of installations Various spans available ranging from 6 to 100m Offered in both trip and latch models to ensure your application is covered Positive opening rope pull switch design The switch will activate if tension is applied to the rope, or if the rope comes loose and breaks 1 million switch operations minimum Designed with harsh environments in mind and benefits from a heavy-duty, sturdy finish Various accessories available including a replacement cable ( 839-4552 ), pull switch clamp designed for use with 4mm cable ( 839-4561 ), replacement pulley ( 839-4564 ), and a pull switch turnbuckle ( 839-4568 ),
New items
PSEN rs2.0-300, Pilz

PSEN rs2.0-300, Pilz

PSEN Safety Rope Pull Switch The PSENrope from Pilz is a manually operated rope pull switch used to safely shut down functional processes that extend over a wide area, such as conveyors. It provides maximum safety, as the emergency stop function can be triggered at any point along the rope. Available with either a polyamide or aluminium enclosure which has three M20x1.5 cable entries. When the cover is closed correctly and an equivalent specification cable gland used, IP67 protection can be achieved. Flexible to use as the operating range is limited only by the length of the rope Extremely resilient and suitable for both indoor and outdoor use High level of safety due to the wiring space being physically separate from the mechanics Dual function mushroom type pushbutton with E-STOP and pull-to-release
New items
XY2CH13290, Telemecanique

XY2CH13290, Telemecanique

Telemecanique XY2CH Emergency Stop Rope Pull Switches The XY2-CH emergncy stop rope pull switch (also known as a grab wire switch) is ideal for applications such as conveyor systems, packaging, textiles, transfer machines, presses, woodworking equipment, paint lines and test laboratories. For machine tools, conveyers & handling applications Recommended distance between cable supports: 5m Built-in turnbuckle accessory Pushbutton reset Water and dust tight enclosure Surface mount Note Manufacturer part numbers with the suffix H29 are the ISO M20 threaded cable entry version. Approvals UL Listed file number: E164353 CCN NKCR. CSA certified file number: LR44087 class 3211 03. CE marked.
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