Over & Under 3-Phase Monitor

EX269-380VAC

The EX269 Over & Under 3-Phase Monitor provides essential protection for industrial systems. This device monitors high voltage, low voltage, phase loss, and phase reversal, safeguarding critical equipment from electrical anomalies. With a nominal AC voltage of 380VAC and adjustable upper (350-450V) and lower (300-400V) ranges, it offers precise control tailored to specific operational requirements. Its automatic reset function and 1-10 second adjustable response time ensure operational continuity and minimize downtime. The unit features robust SPDT 10A at 240VAC resistive output contacts, suitable for various control applications. Designed for reliability, it operates consistently across a -20° to +130° F temperature range and tolerates 0-97% humidity without condensation. Backed by a 5-year warranty and UL Listed & CSA Certified approvals, the EX269 delivers consistent performance and system integrity in demanding environments.

3Ph Power Mon

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ex269-380vac

Specifications

Monitored ConditionsHigh Voltage, Low Voltage, Phase Loss & Phase Reversal
Warranty5 Year Unconditional Warranty
Nominal AC Voltage (phase to phase)380VAC
Adjustable Range - Upper350-450V
Adjustable Range - Lower300-400V
Frequency50Hz
Power Consumption6W
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 electrical conditions does the EX269 monitor?
The EX269 monitors high voltage, low voltage, phase loss, and phase reversal to protect connected equipment.
What are the adjustable voltage ranges for the EX269?
For a nominal 380VAC system, the upper voltage range is adjustable from 350-450V, and the lower range is adjustable from 300-400V.
What are the operating temperature limits and output contact specifications for this monitor?
The EX269 operates within a -20° to +130° F temperature range and features SPDT 10A at 240VAC resistive output contacts.