About Us ToPro Technology

Yueqing RunEasy Electronic Technology (brand name :ToPro Technology ) is one of leading Electricity meter components manufactures in China ,dedicated in R&D, production and supply various of Current transformer, power transformer, latching relays, shunts . Besides, we also support meter enclosures, electronic cables for customers.

-Current transformer for Electricity meters , including : DC immune CT , Non -DC immune CT, CT against magnetic field . From the assembling methods:They also can be classified into hole straight-through CT, CT with copper or brass busbars, PCB mounting CT, more items can be customized as your requirements.

Ours main products

RELAYS SERIES FOR ELECTRICITY METERS

RELAYS SERIES FOR ELECTRICITY METERS

◆Apply to single phase and three phase electricity meters;
◆Multilayer copper blades, low temperature rise;
◆Conform to IEC 62055-31 UCUC3 standard.

DC IMMUNE CURRENT TRANSFORMERS

DC IMMUNE CURRENT TRANSFORMERS

◆High permeability core, good linear performance;
◆DC immune Current transformer, Current carrying capability up to 1.2 Imax;
◆Good DC tolerance;
◆Conform to IEC 62053-21; 

SINGLE PHASE LATCHING RELAYS

SINGLE PHASE LATCHING RELAYS

◆80A ,90A and 100A switching capability;
◆Multi-layer copper blades, low temperature rise;
◆Conform to IEC 62055-31 UC2 UC3 standard.

PCB MOUNTING CURRENT TRANSFORMERS

PCB MOUNTING CURRENT TRANSFORMERS

◆High permeability core, good linear performance;
◆Apply to digital meter, DIN rail meters.

MAGNETIC FIELD MMUNITY CURRENT TRANSFORMERS

MAGNETIC FIELD MMUNITY CURRENT TRANSFORMERS

◆High permeability core, good linear performance;
◆DC immunity can be customized; Conform to IEC 62053-21;
◆CT with electrical iron shield, against external magnetic fields Up to 0.5T;

SHUNT SERIES FOR ENERGY METERS

SHUNT SERIES FOR ENERGY METERS

◆Resistance value 100,200,300,350,500 μQ etc ;
◆Resistance tolerance:+ 5% ;
◆Various dimensions, can be customized accordingly.

GROUPWARE CURRENT TRANSFORMERS

GROUPWARE CURRENT TRANSFORMERS

◆High permeability core, good linear performance;
◆Integrated with shunt, PT and CT,can be assembled easily;

METER ENCLOSURES

METER ENCLOSURES

◆Single phase and three phase meter enclosure for electricity meters;
◆Made of fire retardant materials: PC+10% GF, PBT.

Ours FACTORY

Lean Management

Modern Technology

Advanced Equipment

Customized Design

Cost-efficiency

Team Cooperation

Latest News

We have been certified in ISO 9001 and ISO14001
2021-08-10

We have been certified in ISO 9001 and ISO14001

Yueqing RunEasy Electronic Technology Co.,Ltd( Topro Technology),  has been audi…

We are in Elecrama 2020, Great Noida
2021-04-21

We are in Elecrama 2020, Great Noida

We are in Elecrama exhibitionELECRAMA is the flagship showcase of the Indian Ele…

We are in European Utility week 2018
2021-04-21

We are in European Utility week 2018

European Utility Week is the meeting place for the entire smart energy community…

 Important technical parameters of energy meter 's current transformers
2021-04-21

Important technical…

Current transformer for Electricity metersWe manufacture and supply many types o…

Various CT Core Nanocrystalline /Amorphous alloy  performance curve
2021-04-21

Various CT Core Nano…

Various CT core specificationCore specificationnanocrystallineFUO-I(For regular …

YueQing RunEasy Electronic Technology Co.,Ltd

Whatsapp: +8613587465552
Email: marvin@toproteches.com; info@toproteches.com
Address: No. 217, Weiqi Road, Economic Development Zone, YueQing, Zhejiang, China.

Contact Us