4-pole 16A/250V AC. Modular devices for DIN 60715 TH35 rail mounting with manual control and switch position indicator, for impulse control. 2 modules = 36mm wide, 55mm deep. Time on: impulse control only. Control power demand 12-15W. Contacts: 4 NO. Contact gap 3mm. Devices for 25A XS12. Retrofittable auxiliary contact KM12.