FZW32-12 Outdoor Medium Voltage Vacuum Load Break Switch

The load switch high voltage is the development of a new generation of high-voltage electrical products. After strict type testing and long-term test operation assessment all technical performance indicators have reached GB3408 and IEC standards . This super switch outdoor is suitable for rated voltage 12KV, rated current 630A, In a three-phase AC 50Hz power supply network.

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Characteristics Documents

Working Environment

1.Ambient air temperature：+40°C~ 30°C；(lower limit for user’s special requirements -45°C);
2. The altitude does not exceed 1000m, 2000m, 3000m；
3. The wind pressure does not exceed 700Pa (equivalent to wind speed 34m/s);

4. The pollution level does not exceed level IV；
5. There is no frequent severe vibration, and the earthquake intensity does not exceed 8 degrees.

Main Technical Parameters

N o	ltem	Unit	Dalo
1	Rated voltage	kV	12
2	Rated frequency	Hz	50
3	Rated current	A	630
4	1 min Power frequency withstand voltage:vacuum fracture,interphase,to earth/isolated fracture	kV	42/48
5	Lightning impulse withstand volltage:interphase,to earth/isolated fracture	kV	75/85
6	Rated short-time withstand current (thermal stability	kV	20
7	Rated short duration	S	4
8	Rated peak withstand current (dynamic stability	kA	50
9	Rated short circuit switching current	kA	50
10	Mechanical life	Times	1000
11	Allowable wear thickness of contact in vacuum arc chambe	mm	0.5
12	Manual operaling torque	Nm	≤200
13	Weight	kg	100