Model 2644 3-Phase Monitor

B2644M-240VAC

The Model 2644 3-Phase Monitor provides essential protection for industrial systems. It reliably detects critical anomalies including phase loss, low voltage, and phase reversal, safeguarding equipment from potential damage. Operating at 208/240VAC with an adjustable range of 160-240V, this unit offers precise monitoring capabilities. Its adjustable response time, from 0.2 to 20 seconds, allows for application-specific configuration to prevent nuisance tripping or ensure rapid shutdown. The DPDT 10 amp output contacts ensure robust control integration. With a 5-year unconditional warranty and a mechanical relay life of 10 million operations, the Model 2644 delivers sustained performance in demanding environments. It maintains functionality across a -20° to +131° F operating temperature range and tolerates 0-97% humidity without condensation, ensuring operational continuity and system integrity.

3Ph Power Mon

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b2644m-240vac

Specifications

Reset TypeManual Reset
Nominal AC Voltage208/240VAC (phase to phase)
Adjustment Range160-240V
Frequency60Hz
Power Consumption1.5W
FunctionDetects Phase Loss, Low Voltage and Phase Reversal
Warranty5 Year Unconditional Warranty
Transient Protection2500 VRMS for 10ms
Repeat Accuracy± 0.1% of setpoint (fixed conditions)
Response TimeAdjustable 0.2 to 20 seconds ±10%
Dead BandApproximately 2%
Output ContactsDPDT 10 amps at 240VAC resistive
Expected Relay Life, Mechanical10 million operations
Expected Relay Life, Electrical100,000 operations at rated load
Operating Temperature-20° to +131° F
Humidity Tolerance0-97% w/o condensation
Enclosure MaterialABS plastic
MountingSurface
Agency ApprovalsUL Recognized and CSA Certified

FAQs

What types of electrical faults does the Model 2644 monitor detect?
The Model 2644 detects phase loss, low voltage, and phase reversal in 3-phase systems.
What is the nominal operating voltage and adjustment range for this monitor?
The nominal AC voltage is 208/240VAC (phase to phase), with an adjustment range of 160-240V.
What are the environmental operating limits for the Model 2644?
It operates within a temperature range of -20° to +131° F and tolerates 0-97% humidity without condensation.