3-Phase Monitor

A265-120VAC

The Model 265 3-Phase Monitor, SKU A265, offers essential protection for critical industrial equipment. This device continuously monitors for phase loss, low voltage, and phase reversal, safeguarding machinery from operational damage. Its automatic reset feature, coupled with an adjustable reset time from 20 to 300 seconds, ensures seamless system recovery without manual intervention. Operating within a 120VAC nominal range, with an 85-120V adjustment, it provides precise voltage monitoring. The unit features SPDT 10 amp output contacts, rated for 10 million mechanical operations. With a response time of 50ms maximum and transient protection up to 2500 VRMS for 10ms, it delivers robust performance. This monitor is UL Recognized and CSA Certified, confirming its reliability and adherence to industry standards. It is a practical solution for maintaining system integrity across various industrial applications.

3Ph Power Mon

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a265-120vac

Specifications

Reset TypeAutomatic
Monitored ParametersPhase loss, low voltage, phase reversal
Nominal AC Voltage (phase to phase)120VAC
Adjustment Range85-120V
Frequency60Hz
Power Consumption0.25W
Transient Protection2500 VRMS for 10ms
Repeat Accuracy± 0.1% of set point (fixed conditions)
Response Time50ms maximum
Reset TimeAdjustable - 20 to 300 seconds ±10%
Dead BandApproximately 2%
Output ContactsSPDT 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 voltage range does the A265 3-Phase Monitor support?
The A265 monitors a nominal AC voltage of 120VAC (phase to phase) with an adjustable range from 85V to 120V.
What types of electrical anomalies does the Model 265 detect?
The Model 265 detects phase loss, low voltage conditions, and phase reversal to protect connected equipment.
What are the output contact specifications and reset capabilities of this monitor?
It features SPDT 10 amp output contacts at 240VAC resistive. The reset type is automatic, with an adjustable reset time from 20 to 300 seconds.