Mechanical Latching relay 3B 90A 3 sets of contacts for three phase meter

◇ 90A three sets of contacts switching capability

◇ Apply to State Grid three-phase mete

◇ 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: (98 x 41 x 36) mm

Jiaxing Wisdom Electronic Tech Co., Ltd.is a science and technology manufacturer specialized in research, development, production and sales of latching relay, shunt resistors and current transformer. WSD passed ISO9001-2008, ISO14001: 2004 and OHSAS18001:2007. 

Currently more than 50 kinds of Current transformer with over 100 specifications are under production, ranging from WSD-701 to WSD-753 and continuing being updated in our website. Primary maximum current is from 5A to 200A. Some products are equipped with anti-dc component and anti 300-500mT magnetic disturbance. Products precision reaches 0.05 grade.

The main products attain certificates of CQC, VDE, UL and ROHS, etc. Furthermore, WSD attended Conference of Technical specifications of components - Part eighth, used in electrical energy meters of National Grid Corp standard. Also, it is one of the drafters of “latching relay used in electrical energy meter” of Standardization Technical Committee of National Electrical Instrument.

Latching relays are widely used in all kinds of application areas of smart meter, smart home, load control, synchronous switch, electrical leakage protector, etc.

WSD has a long-term partnership with foreign customers from Denmark, Japan, Korea, Spain, etc, and sets many independent automated production lines. WSD actively participates in the development of global smart grids of China, Denmark, Spain, etc. and is recognized by international famous electricity meter manufacturers and have a long-term collaboration.