Over & Under 3-Phase Monitor

A269-120VAC

The Model 269 Over & Under 3-Phase Monitor, SKU A269, offers essential protection for industrial systems. This device monitors for high voltage, low voltage, phase loss, and phase reversal, safeguarding critical equipment from electrical anomalies. Its adjustable response time, ranging from 1 to 10 seconds, allows for precise application tuning to specific operational requirements. Operating reliably across a -20° to +130° F temperature spectrum, it ensures consistent performance in diverse industrial environments without compromise. The monitor features robust SPDT 10A output contacts at 240VAC resistive, providing reliable control capabilities for connected machinery. With a nominal AC voltage of 120VAC and adjustable voltage ranges (Upper 110-145V, Lower 80-115V), it integrates seamlessly into standard industrial setups. This unit is engineered for operational stability and extended system longevity, minimizing downtime.

3Ph Power Mon

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a269-120vac

Specifications

Monitored ConditionsHigh Voltage, Low Voltage, Phase Loss & Phase Reversal
Warranty5 Year Unconditional Warranty
Nominal AC Voltage (phase to phase)120VAC
Adjustable Range - Upper110-145V
Adjustable Range - Lower80-115V
Frequency60Hz
Power Consumption1.5W
Transient Protection2500VRMS for 10ms
Repeat Accuracy± 0.1% of set point (fixed conditions)
Response TimeAdjustable from 1-10 seconds ±5%
Reset Time0.25 seconds
Reset TypeAutomatic
Dead BandApproximately 2%
Output ContactsSPDT 10A at 240VAC resistive
Expected Relay Life (Mechanical)10 million operations
Expected Relay Life (Electrical)100,000 operations at rated load
Operating Temperature-20° to +130° F
Humidity Tolerance0-97% w/o condensation
Enclosure MaterialABS Plastic
MountingSurface
Agency ApprovalUL Listed & CSA Certified

FAQs

What specific electrical conditions does the Model 269 monitor?
The Model 269 monitors for high voltage, low voltage, phase loss, and phase reversal.
What are the adjustable voltage ranges for the Model 269?
The adjustable upper voltage range is 110-145V, and the adjustable lower voltage range is 80-115V, with a nominal AC voltage of 120VAC.
What are the operating temperature limits for the Model 269?
The Model 269 is designed to operate within a temperature range of -20° to +130° F.