This module combines a standard 4 X changeover relay & a timer relay. Accessories: Screw socket DIN/VDE (part no. 50 30 28/ Type 94.04) & Screw socket (part no. 50 34 00/ Type 94.84.3). 4 modes: Switch-on delay, momentary pick up, flasher (symmetrical) starts with impulse, impulse generator (0.5 s).