3-Phase Monitor

 

• Detects Phase Loss, Low Voltage and Phase Reversal
• Adjustable Trip Delay
• Automatic or Manual Reset
• DPDT Output Contacts

 

Description

The Model 2642 protects electrical equipment by sensing phase loss, low voltage and reverse phase conditions. The monitor uses a combination of voltage and phase-angle sensing, and will detect a phase loss even when regenerated voltages are present.

The Model 2642 is fail-safe; the output contacts will transfer when correct power is applied, and trip out on any fault condition or complete loss of power. Each of five voltage versions can be adjusted throughout a wide operating range. An adjustable trip delay timer prevents nuisance tripping caused by momentary voltage dips.

The DPDT output contacts allow the Model 2642 to be used in control circuits and alarm circuits. The auto- matic reset can be converted to a manual reset by adding a normally closed switch.

 

Specifications

MODEL	A2642	B2642	C2642	D2642	EX2642
Nominal AC Voltage (phase to phase)	120VAC	208/240VAC	480VAC	575VAC	380VAC
Adjustment Range	85-125V	160-260V	380-500V	450-600V	300-400V
Frequency	60Hz	60Hz	60Hz	60Hz	50Hz
Power Consumption	0.25W	0.5W	1.5W	2.5W	1.5W
Transient Protection	2500 VRMS for 10ms
Repeat Accuracy	± 0.5% of setpoint (fixed conditions)
Response Time	Adjustable 0.2 to 10 seconds ±5%
Reset Time	0.15 seconds
Dead Band	Approximately 2%
Output Contacts	DPDT 10 amps at 240VAC resistive
Expected Relay Life	Mech: 10 million operations Elec: 100,000 operations at rated load
Operating Temp	- 20° to +131° F
Humidity Tolerance	0 - 97% w/o condensation
Enclosure Material	ABS plastic
Mounting	Surface
Weight	12 oz.
Agency Approvals	UL Recognized; CSA Certified

Downloads

Document	File Type	File Size	Download
Model 2642 Datasheet	PDF	517 KB

© 2023 Relay Specialties, Inc.
17 Raritan Road, Oakland, NJ 07436 | 800-526-5376
Created By: G.Dezines