SP6510 MUSHROOM PUSH BUTTON RED SPRING RETURN EMERGENCY SWITCH MOELLER M22-DP-RIP67 Rated Mushroom Actuators Red SPRING RETURN MODEL REQUIRES SEPARATE CONTACT BLOCK FOR OPERATION Front ring titanium, also available in black Snap in modular fitting system Mounting diameter 22. 3mm Minimum grid dimensions 30 x 40mm Up to six contacts per location Switching of different potentials Worldwide approval IP67 Rated Mushroom Actuators Green SPRING RETURN MODEL Front ring titanium, also available in black Snap in modular fitting system