Fail-safe standstill monitors
• 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