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About Gretel
Zhejiang Great Electric Co., Ltd. is located in Yaozhuang Town, Jiashan County, Zhejiang Province, the core demonstration area of the Yangtze River Delta. It is a national high-tech enterprise specializing in R&D, production and sales of power magnetic latching relays, miniature current transformers and manganese-copper shunts. Device.
The company has passed ISO9001-2015 quality system, ISO14001:2015 environmental management system and OHSAS18001:2007 occupational health and safety management system certification, and its main products have passed CQC, VDE, TUV, UL, ROHS and other product certifications. Since its establishment in 2003, the company has a number of inventions and utility model patents for magnetic latching relays and current transformers, which are industry standards JB/T10923 "Magnetic Latching Relays for Electronic Energy Meters" and JB/T10665 "Miniature Current Transformers for Electrical Energy Meters" One of the main drafting units of "Miniature Voltage Transformer for Electric Energy Meter" and JB/T10667...
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2003
yearEstablished
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50000
Square meterCompany area
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3
Ten millionCompany's annual output
Customization
We have a strong R&D team,and we can develop and produce miniature relay according to the drawings or samples the customers offered.
Great "advantages"
The company has long-term cooperation experience with foreign customers, and cooperates with many well-known foreign companies such as Denmark, Japan, South Korea, etc., and has established 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 has established long-term cooperative relationships.
Quality
We have our own testing laboratory and advanced and complete testing equipment to ensure the quality of magnetic latching relays.
Transport
We are close to the ports of Shanghai and Ningbo, transporting goods to any other country is very convenient and efficient.
Product Center
The company's magnetic latching relay products are widely used in various application fields such as smart meters, smart homes, load control, synchronous switches, and leakage protection.
- LATCHING RELAY
- TRANSFORMER
- SHUNT RESISTOR
- COPPER
- COMPONENTS
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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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
Character: -80A three sets of contacts switching simultaneously, auxiliary contact can be added. -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: (100 x 45 x 21)mm
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Character: -90A contact switching capability. -Only impulse excitation needed, both for single and double coil. -Low power consumption with great load capability, 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 -Outline dimensions: (38.5 x 30 x 16.5)mm -
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Product Name: Custom PCB Mount Ring Type Micro Current Transformer Phase: Single Coil Number: Autotransformer Coil Structure: Toroidal Usage: Current -
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MANGANIN SHUNT04More+ -
MANGANIN SHUNT02More+ -
MANGANIN SHUNT03More+ -
MANGANIN SHUNT01More+ -
Product Name: Customized 100~300 micro ohm Electric Meters Manganin Shunt Material: copper, brass, manganin Surface Treatment: Electroplating, tin plating Usage: measurement Value: 100~300microohm Application: electric prepaid meter Shape: Client-design Weight: 0.05kg Material: Brass, Copper, Manganin Function: Sampling test for electric energy meter Resistance: Customized Product Description: Manganin, E-beam welding. High precision, high strength, reliable and stable. Whole part for resistance measurement, low heat dissipation, low temperature. Low resistance value -
E-BEAM WELDING SHUNT02More+ -
E-BEAM WELDING SHUNT01More+
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COPPER PLATEMore+ -
BRASS PILLAR03More+ -
BRASS PILLAR04More+ -
BRASS PILLAR02More+ -
BRASS PILLAR01More+
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TERMINAL BLOCK02More+ -
TERMINAL BLOCK01More+ -
BASE PART09More+ -
BASE PART10More+ -
BASE PART07More+ -
BASE PART08More+ -
BASE PART04More+ -
BASE PART06More+ -
BASE PART05More+
News Center
2021-07-20
Great quality three system external audit
From July 19th to 20th, five audit teachers from China Quality Certification Center conducted a two-day supervision and audit of our company's quality, environment, and occupational health and safety systems.
2020-12-25
Letter of commitment
In order to ensure the legality and compliance of our Internet information service business, our company makes and abides by the following commitments:
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