Sick ES21 Series Illuminated Emergency Stop Push Button, Surface Mount, 1NO, 2NC, IP54

ES21 emergency stop pushbuttons are a must for automated machines and systems. They provide a means for a person to stop a machine or system in the event of an emergency.

Depending on the variant, the emergency stop pushbuttons are either integrated into a machine operator panel or mounted directly on the machine.

Optionally available as a built-in version or as a surface-mounted version with housing
Built-in version with self-monitoring emergency stop contacts
Status display with colored mark or LED ring illumination
Variants with protective collar
Variants with M12 male connector

A wide range of variants for custom-fit integration into your machine
High level of safety thanks to self-monitoring: It switches off the machine in the event of faulty installation or mechanical damage
Quick and User friendly reading of the device status
Reduction of unplanned machine stops, for instance in busy work areas
Can be installed quickly and cost effectively, at the same time reducing sources of error during wiring
Simple, safe series connection with Flexi Loop

Fields of applications
Safe stop function for machinery and systems