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Marsh Bellofram Diversified Electronics Division CMO Series AC Over Current Monitor/Relays
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Marsh Bellofram Diversified Electronics Division CMO Series AC Over Current Monitor/Relays
1 /1Page
Catalog excerpts
800.727.5646 atcdiversified.com Diversified Electronics CMO Series Current Monitors //CMO Series 245 AC Ov e r Cu r ren t M on i t o r / R e l a y s The CMO Series is used to detect over current conditions. The internal relay energizes (Pick-up) when the monitored current exceeds the preset trip point for longer than the adjustable time delay. The delay is incorporated to prevent nuisance tripping caused by motor inrush currents. The CMO has an automatic reset feature. The internal relay de-energizes (Drop-out) when the current drops 5% below the preset trip for longer than 0.2 seconds. An External CT may be used to extend the range of the Current. \\\DIMENSIONS (INCHES) \\\OPERATION \\\SPECIFICATIONS CONTROL VOLTAGE 24 or 120 VAC/VDC; 50/60 Hz TRIP POINTS Pick-up See Order Information Drop-out 5% below Pick-up OUTPUT DPDT, 10 Amps @ 120 VAC, Resistive HYSTERESIS 5% RESPONSE TIME Operate 0.1 to 5 SEC, Adjustable Release 0.2 SEC INDICATOR LED Glows On Over Current (Style “E” Enclosure Only) SOCKET RB-11 Socket for Style A. 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 WEIGHT Style A: 5 oz. Style E: 13 oz. + – + – MODEL NUMBER >>>>>> CMO A S Control Voltage 24 A A .25 24 Volts 120 Volts 120 Type of Control Voltage AC 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 (Style E only) 20 ADJUSTABLE TIME DELAY \\\WIRING
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