STM156 Zero Speed (Stall) Monitor
STM156 Data Sheet

The STM156 is a frequency alarm with an adjustable trip point and relay contact output
  • Input includes external pulse and any type of speed sensor
  • Relay contact output
  • Front adjustments for trip speed and start-up delay
  • All common AC or DC supplies
Common applications include
  • Under speed alarm
  • Stall or under speed monitor of conveyor belt or slowly rotating shaft