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Marsh Bellofram Diversified Electronics Division CMB Series AC Self-Powered Go/No-Go Current Monitor/Relay

Marsh Bellofram Diversified Electronics Division CMB Series AC Self-Powered Go/No-Go Current Monitor/Relay

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Marsh Bellofram Diversified Electronics Division CMB Series AC Self-Powered Go/No-Go Current Monitor/Relay

Product catalog summary

Specifications

Control Voltage: 24 or 120 VAC; 50/60 Hz, 24 VDC
Trip Points: 1-10 Amps, Fixed
AC Input Current: Up to 50 Amps
Output: SPDT, 10 Amps @ 240 VAC Resistive; 211 VA @ 120 VAC Inductive; 1/6 Horsepower @ 120 VAC or 1/3 Horsepower @ 240 VAC
Power Consumption: Approximately 3 Watts
Response Time: Operate 30 mSEC, Release 0.5 SEC
Life Expectancy: Mechanical 10 Million Operations (Minimum), Electrical 100,000 Operations @ Rated Load
Duty Cycle: Continuous
Temperature Rating: Operate 32° to 131°F (0° to +55°C), Storage -49° to 185°F (-45° to +85°C)
Sockets: RB-08 or PF083A
Enclosure: Lexan Dust Cover; 8-Pin plug-in
Weight: 6 oz.

Operation

The CMB Series relay detects the presence of AC current. If the monitored current exceeds the trip point for more than 30 milliseconds, the internal relay energizes. If the current drops below the trip point for more than 0.5 seconds, the relay de-energizes. A Delay-on-Release feature prevents nuisance tripping from momentary load line dips. An external CT can extend the range of the Current Monitor.

Features

Easy Installation
No physical connection to the AC line being monitored
Magnetically coupled by passing supply line through protruding Current Transformer
Heavy Duty Contacts
8-Pin, Plug-in

Model Number

Control Voltage Options: 24 Volts AC (24 A), 24 Volts DC (24 D), 120 Volts AC (120 A)
Current Trip Points: 1 to 10 amps

Catalog excerpts

Marsh Bellofram Diversified Electronics Division CMB Series AC Self-Powered Go/No-Go Current Monitor/Relay-1

\\\SPECIFICATIONS CONTROL VOLTAGE 24 or 120 VAC; 50/60 Hz, 24 VDC TRIP POINTS 1-10 Amps, Fixed AC INPUT CURRENT Up to 50 Amps OUTPUT SPDT, 10 Amps @ 240 VAC Resistive; 211 VA @ 120 VAC Inductive: 1/6 Horsepower @ 120 VAC or 1/3 Horsepower @ 240 VAC POWER CONSUMPTION 3 Watts (Approximately) RESPONSE TIME Operate 30 mSEC Release 0.5 SEC LIFE EXPECTANCY Mechanical 10 Million Operations (Minimum) Electrical 100,000 Operations @ Rated Load DUTY CYCLE Continuous TEMPERATURE RATING Operate 32° to 131°F (0° to +55°C) Storage -49° to 185°F (-45° to +85°C) SOCKETS RB-08 or PF083A ENCLOSURE Lexan Dust Cover; 8-Pin plug-in WEIGHT 6 oz. CMB Series Diversified Electronics atcdiversified.com 800.727.5646 238 Current Monitors // CMB Series The CMB Series relay is used to detect the presence of AC current. When the monitored current exceeds the trip point for longer than 30 milliseconds, the internal relay energizes. When the monitored current drops below the trip point for longer than 0.5 seconds, the internal relay deenergizes. The Delay-on-Release is incorporated to prevent nuisance tripping caused by momentary dips in the load line. An External CT may be used to extend the range of the Current Monitor. A C G o / N o - Go C u r r e n t Mo ni tor / Relay CONTROL VOLTAGE • Easy Installation • No physical connection to the AC line that is being monitored • Magnetically coupled by passing supply line through protruding Current Transformer • Heavy Duty Contacts • 8-Pin, Plug-in MODEL NUMBER >>>>>> CMB F A Control Voltage 24 A 1 24 Volts AC 24 Volts DC 24 D 120 Volts AC 120 A Current Trip Points 1 amp 2 amps 2 3 amps 3 4 amps 4 5 amps 5 6 amps 6 7 amps 7 8 amps 8 9 amps 9 10 amps 10 \\\OPERATION \\\WIRING \\\DIMENSIONS (INCHES)

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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