CMG ATC | Alldatasheet

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Technical content

Diversified Electronics 800.727.5646 atcdiversified.com CMG Series AC Self Powered Go/No-Go Current Monitor/Relays OPERATION SPECIFICATIONS CONTROL VOLTAGE Not Required TRIP POINTS Pick-up See Order Information Drop-out 25% below Pick-up OUTPUT SPST - N/O, 5 Amps @ 240 VAC, Res. (Available as a normally closed contact upon request #CMG-0200) HYSTERESIS 25% RESPONSE TIME Operate 400mSec. (Approximately) Release 50mSec. ACCURACY ±5% on Pick-up TERMINATIONS (2) 1/4" Quick Disconnect Terminals RESET Automatic TEMPERATURE Operate 32° to 131°F (0° to +55°C) RATING Storage -49° to 185°F (-45° to +85°C) ENCLOSURE Style “D” Surface Mounted WEIGHT 4 oz. WIRING DIMENSIONS (INCHES) MODEL NUMBER CMG 0100 CURRENT TRIP POINTS 20 amps 20 24 amps 24 28 amps 28 32 amps 32 36 amps 36 MODEL NUMBER The CMG Series is a self-powered Current Monitor/Relay that is used to detect the presence of AC current. When the monitored current exceeds the trip point for longer than 400 mSec., the internal relay energizes (Pick-up). When the monitored current drops below the trip point for longer than 50 mSec., the internal relay de-energizes (Drop-out). No physical connection is required as the line to be monitored is magneti- cally coupled by passing the conductor through the protruding Current Transformer of the monitor. No external supply is needed to power the monitor. The current trip point specified is with one turn through the transformer. Each time the number of turns through the transformer doubles, the trip point effectively halves. Example: CMG-0100-20 will trip at 20 amps with one turn passing through the transformer. By placing two turns through the transformer, the relay will trip at 10 amps. Likewise, four turns will cause the relay to trip at 5 amps. (See below)

  • No physical connection to the AC line that is being monitored
  • Magnetically coupled by passing supply line through protruding Current Transformer
  • Withstands 400 Ampere-Turns Continuous
  • No supply voltage required
  • Will operate on 24, 120, 240 or 480 VAC lines
  • 1/4" Quick Disconnect Terminals E55826 CURRENT MONITORS Diversified Electronics 800.727.5646 atcdiversified.com