Cable Pull Switches

Cable pull switches provide emergency stop capability along conveyors, transfer lines, and long-axis machinery where a single pushbutton can't be reached quickly. Enicstra stocks pull-cord safety switches from Pizzato, Telemecanique, Schmersal, ABB, Pilz, and other manufacturers — current models and discontinued part numbers used in installed material-handling systems.

Inventory covers single-sided and dual-sided pull switches, models with integrated emergency stop pushbutton, latching versus self-resetting variants, and units with status indicator lamps. Cable spans range from short interlock applications to runs over 50 meters with appropriate tensioning kits. Every switch is bench-tested for tension trip thresholds before shipment and backed by our 12-month functional warranty.

Cable pull switches are safety-rated devices — final integration into your machine safety circuit and validation against ISO 13850 and IEC 60947-5-5 remains the responsibility of the end-user and safety integrator. If a specific catalog number isn't listed, send the OEM part code and cable run length and we'll quote sourcing options within 1–2 business days.

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Cable Pull Switches

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Buying guide

Choosing Cable Pull Switches components

Cable pull switch selection depends on three things: the safety category required for your machine, the cable run length, and how the switch is to be reset after tripping. A switch sized for a 5-meter conveyor will not handle the cable sag and tension drift on a 50-meter run.

Specifications to confirm before ordering:

Safety category required (PLe / SIL 3 for most modern designs)
Single-sided or dual-sided actuation
Maximum cable run length the device supports
Reset method — manual lever, key release, or electrical reset via safety relay
Contact configuration (number of NC safety contacts plus NO auxiliary)
Integrated emergency stop pushbutton — yes or no
Status indicator lamp and voltage
Enclosure material and IP rating

Installation considerations:

Use the manufacturer's tensioning kit (turnbuckle, eye bolts, cable guides) sized to the run
Cable supports should be every 2–3 meters on long runs
Tension must trip both on pull and on slack (cable break detection)
Mount the switch where the indicator is visible to operators
Verify the trip threshold during commissioning, not just before

If you're replacing a discontinued model, sending the existing part number plus a photo of the wiring diagram helps confirm contact-block compatibility with your existing safety relay.

Related categories Frequently asked questions

Can you supply discontinued Pilz, Pizzato, or Telemecanique pull switches?

Yes — legacy pull-cord switches from these and other safety-component manufacturers are common requests. Many are still in service on installed conveyors where direct replacement is preferred over re-engineering the safety circuit. Submit a quote request with the part number.

What's the maximum cable run for a pull switch?

It depends on the model. Standard single-sided switches handle 15–25 meters; heavy-duty dual-sided versions go 50 meters or more with proper tensioning. Long runs require intermediate supports and a turnbuckle for tension adjustment. The product page lists the manufacturer's rated maximum.

Are the cable, tensioner, and eye bolts included?

Usually not. The switch itself is the listed product; the cable, turnbuckle, supports, and mounting hardware are typically sold separately. We'll quote a complete package on request.

Are pull switches sold new, surplus, or used?

Most stock is new-old-stock — unused, often in original packaging. Some legacy units come from tested system removals. Each product page lists condition; contact us if it isn't shown.

Who's responsible for safety validation?

The end-user and their safety integrator. We supply the part as marked and provide the manufacturer's documentation where available. Final risk assessment, safety circuit integration, and periodic validation against ISO 13850 and applicable PL/SIL requirements remain your responsibility.