ZFN22-12 Series Indoor H.V. Load Disconnect Switch

Specifications

1.Voltage: 12KV
2.Current: 630A
3.For breaking or closing load and over-load current
4.Fuse can be allocated

 ZFN22-12 Series Indoor H.V. Load Disconnect Switch

Summary
It is used in three phase power distribution of AC 50Hz, rated voltage 12KV, with the features of advanced design, simple operation, impact structure, smart appearance, light weight, long lift-time, strong on-and-off ability and high reliability. Equipped with the fuse, it can take the place of the high-cost circuit breaker and easy to operate and maintain.

 

Service condition
1. The altitude does not exceed 1000m.
2. The ambient air temperature: Max.: +40 . Min: -25 .
3. The relatire humidity of air: monthly average ≤ 90 . daily average ≤ 95%.
4. The working situation have no conductivity dust, corrosive gas and steam.
5. The working situation have no explosive danger and fire.
6. The working situation have no violent shaking and the gradient below 3°.

Technical Parameter

Number	Name		Unit	Parameter
1	Ratedvoltage		kV	12
2	Ratedcurrent	Loadswitch	A	630
		Switch		125
3	Ratedshort-circuitcontrollingcurrent		kA	50
4	Ratedshort-circuitbreakingcurrent		kA	31.5
5	Ratedpowerloadbreakingcurrent		A	630
6	4Sheat-stablingcurrent		kA	20
7	Machine-stablingcurrent		kA	50
8	1minpowerfrequencywithstandvoltage		kA	42(Break48)
9	Lightingimpulseresistingvoltage		kA	75(Break85)
10	Mechanicallife		Time	3150
11	Ratedtake-overcurrent(switchwithfuse)		A	10000
12	Motoroperatingpowervoltage		V	ACDC

Installation Diagram