ZN73D Indoor AC High Voltage Vacuum Circuit Breaker from China manufacturer - Yunnan Nanyue Electric Power Equipment Co., Ltd.

ZN73D Indoor AC High Voltage Vacuum Circuit Breaker

Payment Terms:	T/T,L/C,WU,Paypal
Place of Origin:	Yunnan, China (Mainland)


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Product Detail

Model No.: ZN73D-12

Production Capacity: 100000

Delivery Date: Delivery in 5 work days aft...

Means of Transport: Ocean,Land

Packing: Export Standard package

Brand Name: Nanyue

ZN73D-12 Model indoor AC high-voltage vacuum circuit breaker is a type of indoor HV switchgear of rated voltage 7.2-12kV, three-phase AC 50/60Hz. The

ZN73D-12 Model indoor AC high-voltage vacuum circuit breaker is a type of indoor HV switchgear of rated voltage 7.2-12kV, three-phase AC 50/60Hz. The VCB conforms to GB/T 1984 High voltage AC vacuum circuit br eaker,JB3855 3.6-40.5kV indoor AC HV vacuum circuit breaker and IEC62271-100 standard. The VCB can operate frequently with good on-off capability and fast reclose capability. The VCB structure is separate into two parts thatcan either steadily installed or fabricated on the chassis frame as a separate handcart

Ambient condition

1. Altitude: 1000m;
2. Ambient temperature: 25 ~+40 ;
3. Relative humidity: daily average 95 , monthly average 90 ;
4. Earthquake intensity: 8 degree;
5. Applicable occasions should free from inflammables, explosives, corrosives
and severe vibration

Product feature

1. Holistic structure
2. Sealed spark chamber
3. Effective vacuum arc-extinguish
4. Good mechanical behavior
5. Various mounting approach

no.	item	unit	data
no.	item	unit	1	2	3	4	5
1	rated voltage	kv	12	12	12	40.5	40.5
2	rated current	A	1250	1600	2000	1600	2000
3	rated short circuit breaking current	KA	31.5	31.5	31.5	25	31.5
4	Dynamic and stable current (peak)	KA	100	100	100	80	100
5	Thermal stability of 4 s current 50 ka (3 s)	KA	31.5	31.5	31.5	25	25
6	The rated short circuit close current (peak value)	KA	100	100	100	80	80
7	Rated short circuit breaking current times	TIME	50			30

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