Group: Marsh Bellofram
Catalog excerpts
CMU Series Diversified Electronics atcdiversified.com 800.727.5646 246 Current Monitors // CMU Series The CMU Series is used to detect under current conditions. The internal relay is energized (Pick-up) when the monitored current is above the preset trip point. The relay de-energizes (Drop-out) when the current falls below the trip point for longer than the adjustable delay. The delay is incorporated to prevent nuisance tripping caused by momentary line dips. The relay re-energizes when the current rises 5% above the Dropout trip point for longer than 0.1 seconds. The relay has the automatic reset feature. An external CT may be used to extend the range of the Current Monitor. A C U n d e r Cu r r e n t Mo n i t o r \\\SPECIFICATIONS CONTROL VOLTAGE 24 or 120 VAC/DC; 50/60 Hz TRIP POINTS Pick-up 5% above Drop-out Drop-out See order information OUTPUT DPDT, 10 Amp @ 120 VAC Resistive HYSTERESIS 5% RESPONSE TIME Operate 0.1 SEC Release 0.1 to 5 SEC, Adjustable INDICATORS Glows When Current is Above Preset Current Trip Point (Style E Enclosure Only) RESET Automatic TEMPERATURE RATING Operate 32° to 131°F (0° to +55°C) Storage -49° to 185°F (-45° to +85°C) ENCLOSURE Style A Lexan Dust Cover; 11-Pin Plug-in Style E Lexan Surface Mounted: #8-32 Screw Terminals SOCKET RB-11 Socket for Style A. WEIGHT Style A 5 oz. Style E 10.5 oz. \\\OPERATION \\\DIMENSIONS (INCHES) MODEL NUMBER >>>>>> CMU S Control Voltage 24 A A .25 24 Volts 120 Volts 120 Type of Control Voltage AC DC D Enclosure Style Plug-In Surface Mount E Pick-Up Current Range 0.05 to 0.25 amps. adj. max continuous 3.4 amps 0.2 to 1 amps. adj. max continuous 11.9 amps 1 1.0 to 5.0 amps. adj. max continuous 13.4 amps 5 2.0 to 10 amps. adj. max continuous 25 amps 10 4.0 to 20 amps. adj. max continuous 25 amps 20 \\\WIRING 0.1 Sec.
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