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Marsh Bellofram Diversified Electronics Division CDO Series Over Current Monitor

Marsh Bellofram Diversified Electronics Division CDO Series Over Current Monitor

Product catalog summary

Overview: The CDO Series 235 DC Over Current Monitor is designed to detect over current conditions. It features an internal relay that energizes when the monitored current exceeds a preset trip point for a duration longer than the adjustable time delay, preventing nuisance tripping from inrush currents. The device automatically resets when the current drops 5% below the preset trip point for more than 0.2 seconds.

Specifications:

Control Voltage: 120 VAC, 50/60 Hz
Trip Points: Over Current Pick-up as per order information; Drop-out at 5% below Pick-up
Output: SPDT, 10 amp @ 240 VAC Resistive
Hysteresis: 5%
Response Time: Operate 0.2 to 10 seconds (adjustable); Release 0.2 seconds
Indicators: Red light for Over Current Trip; Green light when Relay is energized
Reset: Automatic
Temperature Rating: Operate from 32° to 131°F (0° to +55°C); Storage from -49° to 185°F (-45° to +85°C)
Enclosure: Lexan Surface Mounted with #8-32 Screw Terminals
Weight: 17 oz.

Model Number Configuration: CDO 120 A L E

Control Voltage: 120 Volts
Type of Voltage: AC
Adjustment: Lockshaft
Features: Adjustable current ranges from 0.2 to 20 amps

Catalog excerpts

Marsh Bellofram Diversified Electronics Division CDO Series Over Current Monitor-1

800.727.5646 atcdiversified.com Diversified Electronics CDO Series Current Monitors // CDO Series 235 D C Ov e r C ur r e n t M o n i t or The CDO 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 inrush currents. The CDO 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. \\\SPECIFICATIONS CONTROL VOLTAGE 120 VAC, 50/60 Hz TRIP POINTS Over Current Pick-up See Order Information Drop-out 5% below Pick-up OUTPUT SPDT, 10 amp @ 240 VAC Resistive HYSTERESIS 5% RESPONSE TIME Operate 0.2 to 10 SEC, Adjustable Release 0.2 SEC INDICATORS Trip (Red) Glows On Over Current Relay (Green) Glows when Relay is energized RESET Automatic TEMPERATURE RATING Operate 32° to 131°F (0° to +55°C) Storage -49° to 185°F (-45° to +85°C) ENCLOSURE Lexan Surface Mounted; #8-32 Screw Terminals WEIGHT 17 oz. \\\WIRING \\\DIMENSIONS (INCHES) MODEL NUMBER >>>>>> CDO 120 A L E Control Voltage 120 A L 1 120 Volts Type of Voltage AC Adjustment Lockshaft Features 0.2 to 1 amps. adj. 0.5 to 2.5 amps. adj. 2.5 1.0 to 5.0 amps, adj. 5 2.0 to 10 amps, adj. 10 4.0 to 20 amps. adj. 20

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