Electricity Meter, Latching Relay, Magnetic Latching Relay manufacturer / supplier in China, offering Factory Direct 12V 24V 90A Small PCB High Power Latching Relay for Smart Meter and EV Charger, Em619002 MID DC 500V Solar Smart Meter for -48 VDC System Battery Arrays on Base Stations, 30mA RCD 4000VAC AC DC Residual Current Sensor for EV Charging and so on.