A-B 440N-Z21S16A Non-contact safety switch

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A-B 440N-Z21S16A

The Allen-Bradley 440N-Z21S16A module is a non-contact safety switch belonging to the Guardmaster family. It is mainly used for machine safety protection, to ensure the safety of the operator by detecting whether the safety door, protective cover, etc., is closed. The module has the characteristics of high reliability and fast response, and is widely used in various industrial automation equipment.

Product parameters and specifications:

Model: 440N-Z21S16A
Type: non-contact safety switch

Function: Detect whether the safety door, protective cover, etc., is closed
Output type: Usually safety relay output
Protection class: IP67 (dustproof, waterproof)
Operating temperature: -25°C ~ +70°C
Installation mode: Screw fixation or quick installation can be used depending on the model and application scenario
Main features:
Non-contact detection: no mechanical wear, long life
High reliability: Redundancy design ensures safety
Quick response: Rapid detection of changes in the status of the safety door/shield
Various installation methods: Suitable for different application scenarios
Compliance with safety standards: Compliance with relevant safety standards such as IEC 61496
Main uses:
Machine safety protection: prevent personnel from touching dangerous moving parts
Security interlocking system: as part of the security interlocking system
Emergency stop device: used to stop the machine in an emergency