3-Phase Monitor

2581-415V

The MODEL 2581 3-Phase Monitor provides essential protection for industrial systems. This device detects critical conditions such as phase loss, low voltage, and phase reversal, safeguarding equipment from potential damage. Its encapsulated circuitry enhances durability, allowing operation in challenging environments. With a rapid 50ms response time, the monitor quickly identifies anomalies, enabling prompt system intervention. The unit's 240VAC nominal voltage and 218VAC trip point are precisely calibrated for reliable performance. A 5-year unconditional warranty underscores its robust design and manufacturing quality. This monitor is a practical component for maintaining operational continuity and equipment longevity.

3Ph Power Monitor

DOWNLOADS:

2581-415v

Specifications

Nominal Voltage (phase to phase)240VAC
Trip Point218VAC
Power Consumption1.86W
FunctionDetects Phase Loss, Low Voltage and Phase Reversal
CircuitryEncapsulated Circuitry
IndicatorLED Status Indicator
Terminals1/4" Quick-connect Terminals
Trip Point Tolerance±2%
Frequency60Hz
Transient Protection2500 VRMS for 10ms
Repeat Accuracy±0.1% (fixed conditions)
Response Time50ms (set or reset)
Dead BandApprox. 4%
Contact RatingSPDT 10 amps at 240VAC resistive
Expected Relay Life (Mechanical)10 million operations
Expected Relay Life (Electrical)100,000 operations at rated load
Operating Temperature-20° to +131° F
Humidity Tolerance97% w/o condensation
Enclosure MaterialABS plastic
Agency ApprovalsRecognized to U.S. and Canadian requirements under the Component Recognition Program of Underwriters Laboratories, Inc.
Warranty5-year Unconditional Warranty

FAQs

What specific conditions does the MODEL 2581 3-Phase Monitor detect?
The MODEL 2581 3-Phase Monitor detects phase loss, low voltage, and phase reversal, providing comprehensive protection for three-phase systems.
What is the operational voltage and trip point for the 2581-240 model?
The 2581-240 model operates at a nominal voltage of 240VAC (phase to phase) and has a trip point set at 218VAC.
What is the expected operational lifespan of the relay contacts?
The relay contacts have an expected mechanical life of 10 million operations and an electrical life of 100,000 operations at rated load.