Model Number: ZW43A-12/630 Brand Name: YUFLY Key Specifications/Special Features: 1: Arc-extinguish chamber.2: Long electrical lifetime and high insulating capability.3: Maintenance free.4: Safe and reliable operation.Optional equipment:1: Current transformer, metering and protection poles 3pcs for each, 75/5 or higher.2: Outside voltage transformer 2pcs for control power supply and metering.3: Motor spring operating mechanism AC DC 220/1104/8/24V.4: Reclosing controller and FTU, RTU.5: Disconnect blade.

Item	Unit	Data
Rated voltage	kV	12
Rated current	A	630
Rated short circuit breaking current	kA	20
Rated short circuit making current	kA	50
Rated short time withstand current	kA	20
Rated short circuit duration time	s	4
1 min P.F withstand voltage	kV	42
Lightning impulse withstand voltage	kV	75
Rated operating sequence		O-0.3s-CO-180s-CO
Mechanical lifetime	Times	10000
Rated operation voltage	V	220V DC AC