Time Mark 253 Reverse Phase Relay, 3PH,208-480V

Name: Time Mark 253 Reverse Phase Relay, 3PH,208-480V
Brand: Time Mark
SKU: Time Mark253
Price: 95.52 USD
Availability: InStock

0 reviews | UPC: 662917001640 | Model: Time Mark 253

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Reverse Phase Relay, 3PH,208-480V 50/60 Hz,SPDT, UL/CSA

3PH,208-480V 50/60 Hz,SPDT, UL/CSA
Socket-mounted
Senses phase reversal
Low power consumption
UL Recognized; CSA Certified

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Time Mark 253 Reverse Phase Relay

3 Phase Power

Consists of a microcontroller
Fault condition will de-energize the relay
Does not require a neutral connection
Detect phase loss on a loaded motor

The Model 253 Reverse Phase Relay is a solid-state sensing device designed for installation in equipment using 3-phase power. This unit is used where it is desirable to have a contact closure indicating that the proper phase rotation sequence has been applied.

The relay closes when the proper sequence (A B C) is applied, but will remain open if any two phases are reversed. If reverse phasing occurs during operation, the relay also de-energizes. The Model 253 has a special industrial grade relay designed for low power consumption. The A B C indicator will be illuminated when the proper phase rotation sequence is applied.

Typical Application	Dimensions

General Specifications
Model	253
Nominal voltage	208 - 480 VAC (phase to phase)
Operating range	190 - 480 VAC
Frequency	50 to 60Hz
Power consumption	2W per phase
Transient protection	2500V for 10ms
Repeat accuracy	± 0.1% (fixed conditions)
Response time	.05 seconds
Reset time	.05 seconds
Reset type	Automatic
Dead Band	Approximately 2%
Output contacts	SPDT 10A at 240VAC resistive
Expected relay life	Mechanical: 10 million operations Electrical: 100,000 at rated load
Operating temperature	- 20° to +131° F
Humidity tolerance	0 - 97% w/o condensation
Case material	ABS plastic
Mounting	8-pin socket *(order separately)
Weight	6 oz.
Agency approval	UL Recognized and CSA Certified

Three Phase Monitor Relays
3-Phase Monitor Relay Function	Phase Reversal Only
Max Nominal Phase to Phase Voltage (monitors)	480 VAC
Min Nominal Phase to Phase Voltage (monitors)	208 VAC
Electrical Approval (monitor relays)	CSA, UL
Time Mark Mounting	8-pin
Test Equipment General Attributes
Warranty	5 YEARS
Warranty Details	This product is warranted to be free from defects in materials and workmanship, and is covered by our exclusive 5-year Unconditional Warranty. Should this device fail to operate for any reason, we will repair it for five years from the date of manufacture.
Safety Approval	CSA, UL
Product Weight	0.475 LBS
Product Height	3.52 IN
Product Length	2.44 IN
Product Width	1.75 IN
HTS/Schedule B Number	8542.90.0000
ECCN Number	EAR99
Country of Origin	United States
Shipping Height	3.52 IN
UPC	662917001640
Shipping Length	2.44 IN
Shipping Width	1.75 IN