3 Pole 120A Polarized Latching Relay IEC 62055-31 for Electricity Meters

• Customization: Available
• Theory: Electromagnetic Relay
• Usage: Smart Energy Meter
• Model NO.: GRT508M-120A
• Electricity Type: Ac
• Number of Pole: 3
• Load: High Power Relay
• Protective Characteristics: Enclosed Relay
• Action Principle: Electromagnetic Type
• Size: Miniature
• Type: Electric Parameter Relay
• Coil Voltage: 6-24VDC
• Coil Type: Single Coil and Double Coil Optional
• Contact Form: 3b
• Switching Current: 120A
• Transport Package: Carton Packing
• Specification: Outline Dimension: (110*52*24)mm
• Origin: China
• HS Code: 85364110
• Production Capacity: 40000000PCS Per Year

Product Description

 

Product Description

 

3-pole Latching Relay


120A three sets of contacts switching simultaneously, auxiliary contact can be added.
Only impulse excitation needed, both for single and double coil.
Low power consumption.
Custom assemblies available with flexible wire and/or copper straps, and/or  with integrated shunt
4KV dielectric strength between coil and contacts
RoHS compliant
IEC62055-31 UC3 compliant
Outline dimensions:(110x 52 x24) mm

 

Product Parameters

Contact Data

Contact Form	3B/3H ( double contacts)
Contact Material	AgSnO2
Contact Resistance	Max. 1.0MΩ (1A 6VDC)
Rated Load ( Resistive)	100A  250VAC
Max. Switching Voltage	380VAC
Max. Switching Current	120A
Max. Switching Power	20000VA
Mechanical Service Life	1x10^5 OPS
Electrical Service Life	1X10^4 OPS (100A, 250VAC)
	6x10^3OPS (120A, 250VAC)
Max. Short-circuit Current	3000A/10ms
	6000A/10ms (no explosion)

Characteristics

Operate Time	Max. 60ms
Release Time	Max. 60ms
Insulation Resistance (500VDC)	Min. 1000MΩ
Dielectric Strength between Contact & Coil	4000VAC
Dielectric Strength of Contact Opening	2000VAC
Dielectric Strength between Contacts	4000VAC
Surge Voltage Contact to Coil	4KV
Creepage Distance	8mm
Unit Weight	about 300g

 
Environment Data

Ambient Temperature	-40ºC~ 85ºC
Relative Humidity	5%~85%RH
Vibration	10~55Hz  1.5mm
Shock	98M/S^2(functional)
	980M/S^2(survival)

 
Coil Data

 

voltage	resistance(Ω)±10%		power(W)		operating	releasing	allowing	pulse duration
	single	double	single	double	VDC	VDC	VDC	ms
6	7.2	3.6/3.6	5.0	10.0	≤4.2	≤4.2	9	≥120
9	16.2	8.1/8.1			≤6.3	≤6.3	13.5
12	28.8	14.4/14.4			≤8.4	≤8.4	18
24	115.2	57.6/57.6			≤16.8	≤16.8	36

 

Drawing

 

Typical Terminal Type