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 - Labels for safety power supply 5396 xx - Labeling strips 230900. Material: brilliant thermoplastic. Color: yellow.