Features: -Front-side retrofitting of QuickFlex lighting modules without dismantling the switch. -Front-side measuring and test contacts, accessible without dismantling the switch. -Quick-thread screws for claw fastening. -Recessed claws with return spring. -High-gloss galvanized support ring insulated from the claw. With claw and screw fastening. With plug-in terminals. Accessories: LED lighting module for switches/buttons MEG3901-0000, MEG3901-0006, MEG3921-0000. Version: 10 A, AC 250 V, matt silver.