With screw terminals for rigid and flexible conductors up to 2.5 mm². Connection terminals according to DIN VDE 0632 (EN 60669) (screw fastening, without mounting claws). Depth of the device box (internal dimension): min. 43 mm. For covers with toggle switch Article No.: ..12-0.., ..12-200.., ..12-20... When the upper or lower toggle half is operated, two contacts are closed simultaneously. Particularly suitable as a control button for relay circuits, e.g., in conjunction with the relay station Article No.: RS 8 REGHE. No electrical or mechanical locking.