... reliable and long working life ISO9001 JS-201B 80A Meter Latching Relay Description:Latching relay is a new type ... pressure, low contact resistance, working stable and reliable, anti-vibration and anti-shock.5.Use manganin welding, low material ... Mechanical Life≥5*105OPS Application:Widely used in Prepaid energy meter, meter reading system, composite switch, reactive power compensation device ...