Model 2644 3-Phase Monitor

The Model 2644 3-Phase Monitor provides essential protection for industrial systems. It reliably detects critical conditions such as phase loss, low voltage, and phase reversal, safeguarding connected equipment. Operating at a nominal 380VAC and 50Hz, this monitor offers an adjustable response time from 0.2 to 20 seconds, allowing for precise application tuning. Its DPDT 10 amp output contacts ensure robust control. Designed for durability, it functions across a wide operating temperature range of -20° to +131° F and tolerates 0-97% humidity without condensation. A 5-year warranty underscores its long-term operational reliability.

3Ph Power Mon

DOWNLOADS:

ex2644m-380vac

Specifications

Reset TypeManual Reset
Nominal AC Voltage380VAC (phase to phase)
Adjustment Range300-400V
Frequency50Hz
Power Consumption4.5W
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 are the primary voltage and frequency specifications for the Model 2644 3-Phase Monitor?
The Model 2644 3-Phase Monitor is designed for a nominal AC voltage of 380VAC (phase to phase) at a frequency of 50Hz. It features an adjustment range of 300-400V.
What types of electrical anomalies does the Model 2644 monitor detect, and what is its response capability?
This monitor detects phase loss, low voltage, and phase reversal. Its response time is adjustable from 0.2 to 20 seconds ±10%, and it includes transient protection up to 2500 VRMS for 10ms.
What are the durability and environmental specifications for the Model 2644 3-Phase Monitor?
The Model 2644 features an expected relay life of 10 million mechanical operations. It operates within a temperature range of -20° to +131° F and tolerates 0-97% humidity without condensation. It is backed by a 5-year unconditional warranty.