FAQ02468 of Emergency Stop Switches FAQ

The color is regulated by EN 418, ISO 13850, and JIS 9703. A push button switch that is used for emergency situations must be red, and the background must be yellow.

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OMRON also provides emergency stop switches integrated with a control boxes. (A22E Series only.) The colors are as given above. A yellow control box is integrated with an emergency stop switch, a legend plate for EMERGENCY STOP, and a connector cable. This Switch complies with IP65 degree of protection.

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