Integrated increased contact protection in accordance with VDE 0620 Part 1. Properties - Front-mounted retrofitting of QuickFlex additional modules without dismantling the socket. Quick-thread screws for claw fastening. Countersunk claws with return spring. - High-gloss galvanized support ring insulated from the claw. With claw and screw fastening. With plug-in terminals. Accessories Large label field with tactile contrast symbol for rockers and sockets with label field 434791/92/93/94. Material: matt thermoplastic. Color: aluminum.