IEC / EN 61812-1. CE. IK 7817N - multi-function timer relay. 8 or 10 functions configurable via rotary switch 8 time ranges adjustable via rotary switch Universal input with wide voltage range With time lapse interruption / time addition Connection option for remote pot. 10 k (model / 500 only) 1 changeover LED indicators for voltage supply, contact position and time lapse Overall width: 17.5 mm