Monophase 120A Power Relay for Utility Meters

• Theory: Electromagnetic Relay
• Usage: Smart Energy Meter
• Phase: 1
• Electricity Type: Ac
• Number of Pole: 1
• Load: High Power Relay
• Model NO.: GRT508BF
• Protective Characteristics: Enclosed Rlay
• Action Principle: Electromagnetic Type
• Size: Miniature
• Type: Electric Parameter Relay
• Contact Form: 1b
• Coil Voltage: 6~24VDC
• Switching Current: 120A
• Coil Type: Single Coil and Double Coil Optional
• Transport Package: Carton Packing
• Specification: 120A-1B
• Trademark: GRT
• Origin: China
• HS Code: 85364110
• Production Capacity: 40000000PCS Per Year

Product Description

Product Description

Monophase Power Relay for Utility Meters


120A contact switching capability
Only impulse excitation needed, both for single and double coil.
Low power consumption, small in size
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:(42x 32 x20.8) mm

 

Product Parameters

Contact Data

Contact Form	1B/1H
Contact Material	AgSnO2
Contact Resistance	Max. 1.0MΩ (1A  6VDC)
Rated Load ( Resistive)	120A  250VAC
Max. Switching Voltage	250VAC
Max. Switching Current	120A
Max. Switching Power	30000VA
Mechanical Service Life	1x10^5 OPS
Electrical Service Life	6x10^3 OPS (120A  250VAC)
	1x10^4OPS (100A  250VAC)
Max. Short-circuit Current	3000A/10ms
	6000A/10ms (no explosion)

 
Characteristics

Operate Time	Max. 20ms
Release Time	Max. 20ms
Insulation Resistance (500VDC)	Min. 1000MΩ
Dielectric Strength between Contact & Coil	4000VAC
Dielectric Strength of Contact Opening	2000VAC
Dielectric Strength between Contacts
Surge Voltage from Contact to Coil	9KVAC
Creepage Distance	8mm
Unit Weight	about 65g

 
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	12	6/6	3.0	6.0	≤4.2	≤4.2	9	≥50
9	27	13.5/13.5			≤6.3	≤6.3	13.5
12	48	24/24			≤8.4	≤8.4	18
24	192	96/96			≤16.8	≤16.8	36

 

 

Drawing

 

Typical Terminal Type

 

Our Advantages

 

1. National high-tech enterprise.

2. Established provincial R&D center for latching relay.

3. Main products have passed CQC, VDT, TUV, UL and RoHS etc.

4. Focusing on the R&D of latchiing relay and current transformer for nearly 20 years.

5. One of the drafters of industrial staradard of "latching relay used in electrical energy meters"

 

Trade Show & Honor

 

Certificate

 

FAQ

Q: What are the application fields of your products?

A: Our products are mainly used in smart meter, smart home, load control, synchronous switch, leakage protection and other applications.

Q: Are you a manufacturer or a trade company?

A: We are the manufacturer, but we have our own international trade department. We have ability to sell our products to the buyers all over the world.

Q:Can you provide custom products?

A: Absolutely OK. Due to most of our products need to be customized. You can send us your drawing or requirements, our technical staff will assist you to develop the products.

Q: Which countries do you export to?

A: At present, our products are mainly exported to Denmark, Japan, Spain, South Korea, Ukraine, Russia and other countries.

Q: Do you have requirements for MOQ?

A: There is no limiteation for MOQ except  the special condition of your products. Our saleman will inform you in advance if there is MOQ exisiting.

Q: What kind of payment you can accept?

A:We accept TT , L/C, Western Union as payment methods.

Q: What kind of price term you can accept?

A: We accept FOB, CNF, CIF, FCA, DDP, EXW etc.

Q: Can you offer samples? Do we need to pay the sample fee?

A: As long as there is no specical requirements for the samples, we can offer at most 5~10pcs ( depends on specific model) free samples for testing. But you need to burden the shipping cost.