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Marsh Bellofram Diversified Electronics Division CBA Series AC Current Band Monitor

Marsh Bellofram Diversified Electronics Division CBA Series AC Current Band Monitor

Product catalog summary

Overview: The CBA Series AC Current Band Monitor is designed to detect under and over current conditions. It features internal relays that de-energize when the current is within the normal range and energize when the current exceeds set thresholds for over or under current conditions.

Specifications:

Control Voltage: 120 VAC, 50/60 Hz
Trip Points: Over current pick-up and drop-out are adjustable, with drop-out set at 2% below pick-up. Under current pick-up and drop-out are also adjustable, with drop-out set at 2% above pick-up.
Output: 10 Amps at 120 VAC, resistive
Hysteresis: 2%
Response Time: Operate in 1.0 second, release in 30 milliseconds
Indicators: LEDs display over/under current status
Reset: Automatic
Temperature Rating: Operate between 32° to 131°F (0° to +55°C), storage between -49° to 185°F (-45° to +85°C)
Contact Arrangement: Two Form C contacts, one each for over/under current
Enclosure: Lexan surface mounted with #8-32 screw terminals
Weight: 16 oz.

Model Variants: The CBA Series includes models with different current ranges, all adjustable:

CBA-120-ALE-1: 0.2 to 1.0 amps
CBA-120-ALE-5: 1.0 to 5.0 amps
CBA-120-ALE-10: 2.0 to 10 amps
CBA-120-ALE-20: 4.0 to 20 amps
CBA-120-ALE-30: 6.0 to 30 amps
CBA-120-ALE-40: 8.0 to 40 amps

Additional Features: An external current transformer (CT) can be used to extend the range of the current monitor.

Catalog excerpts

Marsh Bellofram Diversified Electronics Division CBA Series AC Current Band Monitor-1

800.727.5646 atcdiversified.com Diversified Electronics CBA Series Current Monitors // CBA Series 233 AC Cu rr en t B a n d M o n i t or The CBA Series is used to detect UNDER and OVER CURRENT CONDITIONS. When the monitored current is within the normal current band, both internal relays are de-energized (Drop-out). When the current rises above the over current setting for longer than 1.0 second, the over current relay energizes (Pick-up). If the current falls below the under current setting for longer than 1.0 second, the under current relay energizes. When the monitored current returns to normal, the relays will automatically reset. The over and under current trip points are independently adjustable. An External CT may be used to extend the range of the Current Monitor. MODEL NUMBER UNDER CURRENT RANGE OVER CURRENT RANGE CBA-120-ALE-1 0.2 to 1.0 amps, Adjustable 0.2 to 1.0 amps, Adjustable CBA-120-ALE-5 1.0 to 5.0 amps, 1.0 to Adjustable 5.0 amps, Adjustable (1.0 to 5.0) CBA-120-ALE-10 2.0 to 10 amps, Adjustable 2.0 to 10 amps, Adjustable CBA-120-ALE-20 4.0 to 20 amps, Adjustable 4.0 to 20 amps, Adjustable CBA-120-ALE-30 6.0 to 30 amps, Adjustable 6.0 to 30 amps, Adjustable CBA-120-ALE-40 8.0 to 40 amps, Adjustable 8.0 to 40 amps, Adjustable \\\SPECIFICATIONS CONTROL VOLTAGE 120 VAC, 50/60 Hz TRIP POINTS Over Current Pick-up See Table Below Drop-out 2% below Pick-up Under Current Pick-up See Table Below Drop-out 2% above Pick-up OUTPUT 10 Amps @ 120 VAC, Resistive HYSTERESIS 2% RESPONSE TIME Operate 1.0 SEC Release 30 mSEC INDICATORS LED’s Show Over/Under Current Status RESET Automatic TEMPERATURE RATING Operate 32° to 131°F (0° to +55°C) Storage -49° to 185°F (-45° to +85°C) CONTACT ARRANGEMENT (2) Form C Contacts. One Each for Over/Under ENCLOSURE Lexan Surface Mounted; #8-32 Screw Terminals WEIGHT 16 oz. \\\WIRING \\\DIMENSIONS (INCHES)

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