In the M-Plan design. For manual activation of locking devices with double rocker switch insert (two separate current paths). Features - front-side measuring and test contacts, accessible without removing the switch. Quick-thread screws for claw fastening. Countersunk claws with return spring. High-gloss galvanized support ring insulated from the claw. Suitable for flush mounting. With claw and screw fastening. With plug-in terminals. Material: matt thermoplastic. Color: polar white.