System Sensor MOD400R Field Sensitivity Test Module for Smoke Detectors Used The relay measures frequency by

The relay measures frequency by detecting zero crossings in the Bus VT phase A voltage

ensuring their secure and stable operation

5 A Input Voltage 380–460 VAC Frequency 50/60 Hz Enclosure Type NEMA 1 or Chassis Enclosure Size Size B Dimensions 11

Form Factor: Compact memory DIMM designed for easy installation into VIP6 modules

Industrial-grade construction: Built for dependable operation in demanding automation environments

System Sensor MOD400R Field Sensitivity Test Module for Smoke Detectors Used The relay measures frequency byDescription The System Sensor MOD400R is a field sensitivity test module designed for use with smoke detectors. This unit provides a reliable way to evaluate detector performance and ensure proper sensitivity settings in the field. The MOD400R is compact, portable, and specifically engineered for compatibility with System Sensor devices. Technical Specifications Condition New Never Used Surplus Brand System Sensor Category PLCs and Accessories Part