Series switch, 1 + 1 normally open contact 16A/250V AC. Series-mounted devices for mounting on DIN-EN 60715 TH35 mounting rail with manual operation and switch position indicator. 1 division unit = 18mm wide, 55mm deep. Duty cycle 100%. Control power requirement 5-6W. Contact spacing 3mm. Distance between control connections/contact > 6mm. The electronic impulse switch ESR12DDX-UC can also be used. Its universal control voltage UC covers the voltage range 8-253V AC 50-60Hz and 10-230V DC.