Lithium Ion Battery Cell, Lithium Ion Battery Pack, Energy Storage Battery manufacturer / supplier in China, offering Single-pole Normally Open Full-sealed High-voltage Contactor up to 1000V, NDZ3X-300 1000V 300Amps High Voltage DC Contactor Coil Voltage DC12V DC24V, NDZ3X-200 High Voltage DC Contactor 1000V 200Amps Coil Voltage DC12V DC24V and so on.