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Allen Bradley 440N-Z21S17B GuardMaster Safety Switch

Allen Bradley 440N-Z21S17B GuardMaster safety switch.

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ManufacturerAllen Bradley

Part number440N-Z21S17B

Part Number 440N-Z21S17B

Manufacturer Allen Bradley

Series GuardMaster

Contact Type Z-S17B

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Robust safety interlock mechanism Z-S17B contact 18mm sensor head GuardMaster series Designed for industrial use

Product description

The Allen Bradley 440N-Z21S17B is a GuardMaster safety switch designed for reliable interlocking of machine guards. It features a Z-S17B contact and an 18mm sensor head, ensuring that machinery cannot operate while access points are open, thereby preventing potential hazards to personnel.

This safety switch is commonly employed in various industrial settings, including manufacturing, automotive, and packaging industries, to protect operators from dangerous moving machinery parts. Applications include conveyor systems, robotic cells, and presses where safety interlocks are critical.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the 440N-Z21S17B. We specialize in providing dependable industrial components to keep your operations running smoothly and efficiently, ensuring you can source needed parts quickly.

Technical specifications

Part Number	440N-Z21S17B
Manufacturer	Allen Bradley
Series	GuardMaster
Contact Type	Z-S17B
Sensor Head Diameter	18mm

Common applications

Machine Guarding

Safety Gates

Industrial Manufacturing

Automotive

Packaging

Conveyor Systems

Compatible systems

Allen Bradley GuardMaster Actuators Industrial Safety Systems

Also known as

Allen Bradley 440N-Z21S17B GuardMaster 440N-Z21S17B Safety Interlock Switch 440N-Z21S17B

Replaces / compatible with

This part is part of the Allen Bradley GuardMaster series. For specific replacement information, please consult the manufacturer's documentation.

Technical note

Expert tip

Proper alignment of the actuator with the 18mm sensor head is crucial for consistent and reliable activation of the Z-S17B contact.

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Frequently asked questions

What is the purpose of the Z-S17B contact in the Allen Bradley 440N-Z21S17B safety switch?

The Z-S17B contact is a key component of the Allen Bradley 440N-Z21S17B safety switch, designed to provide a secure and reliable method of interlocking machine guards. Its operation ensures that the machine's control system receives a signal only when the guard is fully closed and secured.