SCHMERSAL - Fail-Safe Standstill Monitors

AZR31S1

  • Fail-safe standstill monitors
  • 3 safety contacts, STOP 0
  • 1 Signalling output
  • 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.

SSW 301HV

  • Fail-safe standstill monitors
  • 3 safety contacts, STOP 0
  • Control category 4 to EN ISO 13849-1
  • This fail-safe standstill monitor has the particular advantage that no adjustment for a required-value is needed during comissioning.