101049676

Fail-safe standstill monitors Sensor-free detection of standstill by monitoring e.m.f. Direct connection to three-phase motors Suitable for connection to a frequency converter with the following interface date: rotary hysteresis 0 ... 1000 Hz; switching frequency of the end level up to 16 kHz; engine voltage range 0 ... 400 V This fail-safe standstill monitor has the particular advantage that no adjustment for a required-value is needed during comissioning. 3 safety contacts, STOP 0 1 Signalling output