Great Electric-Latching Relay-Current Transformer

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GREAT RELAY

High-end brand manufacturer of power latching relays

A high-tech enterprise specializing in R&D, production and sales of relays, current transformers, manganese-copper shunts, smart meter boxes and other products

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GREAT RELAY

High-end brand manufacturer of power latching relays

A high-tech enterprise specializing in R&D, production and sales of relays, current transformers, manganese-copper shunts, smart meter boxes and other products

LEARN MORE +

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STAR PRODUCT

STAR PRODUCTS

Electricity Meter Plastic Components

GRT508B 100A GENERAL PURPOSE SINGLE PHASE LATCHING RELAY

Character: -100A 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 UC2 compliant -Outline dimensions: (39 x 30 x 16.8)mm

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PCB TYPE GRT508Y 50A LATCHING SMART HOME RELAY

Character: -50A contacts switching capability. -Only impulse excitation needed, both for single and double coil. -Low power consumption, strong load capability. -Small in size, PCB type installation. -4KV dielectric strength between coil and contacts -RoHS compliant -Outline dimensions: (39 x 30.2 x 15)mm

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ROHS COMPLIANT 25A PCB TYPE SMART HOME RELAY

Character: -25A contacts switching capability. -Only impulse excitation needed, both for single and double coil. -Low power consumption, strong load capability. -Small in size, PCB type installation. -4KV dielectric strength between coil and contacts -RoHS compliant -Outline dimensions: (38.8 x 28.7 x 15)mm -VDE certificate NO.: 40039308

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MANUFACTURER PRICE VDE PASSED SINGLE PHASE 25A SMART HOME RELAY

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UL & VDE CERTIFICATION 16A PCB TYPE SMART HOME RELAY

Character: -16A contacts switching capability. -Only impulse excitation needed, both for single and double coil. -4KV dielectric strength between coil and contacts -RoHS compliant -Outline dimensions: (25 x 13 x 17) mm -VDE Certificate NO.: 40030447 -UL Certificate NO.: E340054

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WHOLESALE PCB TYPE 5A/10A LATCHING RELAY FOR SMART HOME

Character: -5A two sets of contacts switching capability. -10A contact switching capability. -Only impulse excitation needed, both for single and double coil. -Low power consumption, small in size -Samll in size, PCB type installation -4KV dielectric strength between coil and contacts -RoHS compliant -Outline dimensions: (25 x 13 x 17) mm -Patent number: 200420115716.8

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100A UC3 & ROHS COMPLIANT TWO-PHASE RELAY

Character: -100A two sets of 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: (70 x 52 x 22)mm

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HOT SALE 120A HIGH POWER GENERAL PURPOSE POWER THREE-PHASE RELAY

Character: -120A three sets of contacts switching simultaneously, auxiliary contact can be added. -Only impulse excitation needed, both for single and double coil. -Custom assemblies available with flexible wire and/or copper straps, and/or with integrated shunt. -4KV dielectric strength between coil and contacts -RoHS compliant -Outline dimensions: (110 x 52 x 24)mm

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APPLICATION

The company's products are mainly used in smart grid, smart home, new energy charging piles, photovoltaic and energy storage equipment and other fields.

Smart Grid

Smart Home

New Energy Charging Station

Photovoltaic Field

Energy Storage Equipment

Other Areas

ABOUTU US

ABOUT US

A high-tech enterprise specializing in R & D, production and sales of power relays, current transformers and shunts.

Zhejiang Great Electrical Co., Ltd.

Zhejiang Great Electrical Co., Ltd. is located in Jiashan, Zhejiang, adjacent to Shanghai, 65KM away from Shanghai Hongqiao International Airport and 95KM away from Shanghai Pudong International Airport. Founded in 2003, GRT is a high-tech enterprise specializing in R&D, production and sales of relays, current transformers, manganese-copper shunts, smart meter boxes, smart meter terminals and other products. The company has passed the certification of ISO9001 quality management system, ISO14001 environmental management system and ISO45001 occupational health and safety management system, and its main products have passed China CQC, Germany VDE, TUV and United States UL and other authoritative certifications at home and abroad.

OUR ADVANTAGE

Passed the ISO9001 quality management system, ISO14001 environmental management system and ISO45001 occupational health and safety management system certification

Customization

We have a strong R & D team, and can develop and produce micro relays according to the drawings or samples provided by customers.

Quality Assurance

We have our own testing laboratory and advanced and complete testing equipment to ensure the quality of the relay.

Gretel "Advantage"

The company has long-term cooperation experience with foreign customers, with Denmark, Japan, South Korea and other well-known foreign enterprises to develop, and set up an independent automation equipment assembly line. The company actively participates in the construction of global smart grids in China and Europe, and has been recognized by internationally renowned meter manufacturers and established a long-term cooperative relationship.

convenient transportation

We are close to Shanghai and Ningbo port, it is very convenient and efficient to transport goods to any other country.

After-sales service

Always adhere to the quality of development, quality of survival principle, continue to improve Gretel products and services

BUSINESS PARTNER

PARTNERS

The company has established long-term strategic cooperative relations with international well-known enterprises such as Panasonic in Japan, Kamstrup in Denmark, Landis+gyr and Tyco electronics in Switzerland, as well as domestic well-known enterprises such as Linyang Energy, Kaifa Technology, CHINT group, Ningbo Sanxing, Qingdao Comore Technologies, Zhejiang Risesun, Shenzhen TRJ, etc.

WIN-WIN COOPERATION

Meet your customization needs

If you have any questions and needs, please call the consultation/online consultation, we will provide you with professional solutions.

NEWS TRENDS

NEWS CENTER

To become a globally leading provider of power relay solutions

Understanding the Significance of Famous Single-Phase 100A Latching Relays in Modern Electronics

2026-01-13

Learn more

Choosing the Right Classy Power Equipment: Expert Tips for Success

Choosing the Right Classy Power Equipment: Tips for Success Table of Contents Introduction to Classy Power Equipment Understanding Classy Power Equipment Key Features to Consider When Choosing Power Equipment Top Brands for Classy Power Equipment Buying Guide: How to Choose the Right Power Equipment Maintenance and Care Tips for Longevity Innovative Technologies in Cla

2026-01-08

Focusing our hearts and pooling our strengths for a fresh start—creating the future through meticulous management—A New Year’s Message from Peng Yong, Chairman of Grete Appliance, for January 1, 2026

As the calendar turns and a new chapter unfolds, we are delighted to usher in the 2026 New Year. On this special occasion, on behalf of the Board of Directors and management of Zhejiang Gretel Electrical Appliance Co., Ltd., I would like to extend our sincerest greetings and warmest New Year wishes to all our dedicated and hardworking managers and employees who have poured their heart and soul into our company over the past year, as well as to our valued customers, partners, and friends from all walks of life who have consistently shown their care and support for our company’s development!

2025-12-31

Why Choose Durable Latching Relays for Your Electronic Projects?

Incorporating durable latching relays into your electronic projects can substantially enhance performance, efficiency, and reliability. Their unique operational characteristics make them suitable for a wide array of applications, from home automation to automotive systems

2025-12-29

+86 157 2693 8506

Address: No.9, Linhu Avenue, Yaozhuang Town, Jiashan County, Jiaxing City, Zhejiang Province
Telephone:+86-573-84776266 / 84775557 / 84775558 / 84775559
Fax: +86-573-84776699
E-mail: sales7@great-relay.com
Website: www.grtrelay.com

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