3-Phase Monitor with Line Voltage & Phase Sequence Indicator

 

• Detects Phase Loss, Phase Reversal and Low Voltage
• L E D Status Indicators
• Automatic Reset
• 5 Year Unconditional Warranty

 

Description

The Model 2638 3-Phase Monitor combines a 3-phase monitor with a line voltage and phase sequence indicator. Like other Time Mark Monitors, the Model 2638 senses phase loss, phase reversal and low voltage.

When power and phasing are correct, the internal relay energizes. LED indicators will show that all phases are present, and the direction of phase rotation.

When a fault occurs, the monitor trips its relay and indicates which phase is lost, or, if a reversal is present. This allows you to automatically protect your equipment by correcting for the appropriate fault condition. The Model 2638 will automatically reset when correct power is restored.

One 50Hz version and two 60Hz versions are available from stock.

 

Specifications

Model	B2638	C2638	EX2638
Nominal Voltage	208/240VAC	480VAC	380VAC
Frequency	60Hz		50Hz
Adjustment Range	160-240	380-480	300-400
Power Consumption	3.7W	6.7W	6.5W
Transient Protection	2500V for 10ms
Repeat Accuracy	±0.1% (fixed conditions)
Response Time	0.05 seconds
Reset Time	0.05 seconds
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Reset Type	Automatic
Dead Band	Approximately 2%
Output Contacts	SPDT 10A at 240VAC resistive
Expected Relay Life	Mech: 10 million operations Elec: 100,000 operations at rated load
Operating Temperature	-20° to +131° F
Humidity Tolerance	0-97% w/o condensation
Enclosure Material	ABS plastic
Mounting	Surface
Weight	12 oz.

Downloads

Document	File Type	File Size	Download
Model 2638 Datasheet	PDF	640 KB

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17 Raritan Road, Oakland, NJ 07436 | 800-526-5376
Created By: G.Dezines