Grab Wire Switches

Grab wire switches, or rope pull switches, are a type of emergency stop switch that is hung by a cable around a piece of machinery. They are operated by pulling on the cable, which isolates the circuit connecting the machinery, stopping whatever hazardous action is occurring. They are usually equipped with a reset knob, so that the equipment can only be restarted deliberately.

What are grab wire switches used for?

Grab wire switches are especially helpful when an emergency stop function is needed for an awkwardly-shaped piece of equipment, such as a conveyor. Because they are attached via a cable, they can also be used over a long distance, so any worker along the line may stop the equipment. They switch itself can also equipped with an emergency stop button, which provides another method of stopping the machinery.

Types of grab wire switches

Though all grab wire switches operate in broadly the same way, they differ in the length of cable they can accommodate, their maximum current and voltage, and the material they are made from. Some stainless steel switches, for example, may be used in areas where there are hygiene requirements.


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Description Price Range Series Reset Button Pole Configuration Indicator Type Normal State Configuration Mounting Orientation Maximum Rope Span Maximum Current Maximum AC Voltage Maximum DC Voltage Housing Material Number of Cable Entries Conduit Entry
RS庫存編號 528-1030
製造零件編號3SE7150-1BF00
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HK$2,266.76
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SIRIUS 3SE7 Yes DP - 2NC Straight 25m 6 A 400V - Aluminium Alloy 2 -
RS庫存編號 764-4360
製造零件編號3SE7141-1EG10
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HK$4,544.26
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SIRIUS 3SE7 No - - NO/3NC Straight 75m 2 A 250V - Gadolinium Aluminium Alloy 3 -
RS庫存編號 764-4339
製造零件編號3SE7120-1BF00
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HK$2,266.76
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SIRIUS 3SE7 Yes - - 2NC Straight 10m 6 A 400V - Gadolinium Aluminium Alloy 2 -
RS庫存編號 764-4332
製造零件編號3SE7120-2DD01
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HK$1,681.92
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SIRIUS 3SE7 No - - NO/NC Straight 10m 6 A 400V - Gadolinium Aluminium Alloy 2 -
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RS庫存編號 216-3337
製造零件編號3SE7310-1AE00
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HK$7,268.85
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SIRIUS 3SE Yes - - 2NO+2NC - - - - - - - -
RS庫存編號 528-1052
製造零件編號3SE7150-1BD00
BrandSiemens
HK$2,190.65
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SIRIUS 3SE7 No DP - NO/NC Straight 25m 6 A 400V - Aluminium Alloy 2 -
RS庫存編號 764-4307
製造零件編號3SE7150-2DD00
BrandSiemens
HK$1,740.36
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SIRIUS 3SE7 No - - NO/NC Straight 25m 6 A 400V - Gadolinium Aluminium Alloy 2 -