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ZN63 Vacuum Circuit Breaker Manufacturer – ZN63[VS1]-12 Indoor High Voltage Handcart Vacuum Circuit Breaker – Timetric

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ZN63 Vacuum Circuit Breaker Manufacturer – ZN63[VS1]-12 Indoor High Voltage Handcart Vacuum Circuit Breaker – Timetric Detail:

ZN63(VS1)-12 indoor high voltage side_mounted vacuum circuit breaker is suitable for power system with 50hz

General

ZN63(VSl)-12 indoor high voltage handcart vacuum circuit breaker is applied to 12KV, three-phase, AC50Hz.It can provide control and protection for industrial and mining enterprises, power plants and substations, electrical facilities, and is suitable for frequent operation.The operating mechanism is integrated wih the circuit breaker, and the design can be used as a fixed installation unit. It can also be a special propulsion mechanism to form a handcart unit. The main loop adopts the integral solid pole to realize the miniaturization, high reliability and free-maintenance of the circuit breaker.It can be used in KYN28A-12(GZS) and other center-mounted handcart switchgears.The fixed type could also be used in the XGN series fixed switchgear.

Technical specification

NO.	Item	Unit	Data
1	Rated voltage	KV	12
2	Rated frequency	Hz	50
3	Rated lightning impulse withstand voltage (peak)	KV	75
4	Rated short-lime power frequency voltage (1 min)	KV	42
5	Rated current	A	630、1250	630、1250	1250 、1600、 2000、2500	1600、2000 2500、3150 4000、5000
6	Rated short circuit breaking current	KA	20	25	31.5	40
7	Rated short circuit making current (peak)	KA	50	63	80	100
8	Rated short circuit duration	S			4
9	Rated operating sequence		O-0.3S-CO-180S-CO 0-I80s-C0-I80s-C0 (40KA)
10	Rated single / bock Io back capacitor bank breaking current	A	630/400
11	Rated short circuit current breaking time	Times	30
12	Opening lime	ms	35-70
13	Closing lime	ms	20-50
14	Mechanical life	Times	10000
15	Rated energy storage and operating voltage	V	AC220/11ODC220/110
16	Contact stroke	mm	11 ±1
17	Contact overtravel	mm	3.5 ±0.5
18	Average closing speed	m/s	0.5-0.8
19	Average opening speed	m/s	0.9-1.2
20	Contact closing bounce time	ms	≤2
21	Three-phase opening.dosing asynchronous	ms	≤2
22	The main circuit resistance	μQ	≤50 (630A）≤45 (1250A） ≤35 (1600-2000A) ≤25 (more than 2500)

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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for ZN63 Vacuum Circuit Breaker Manufacturer – ZN63[VS1]-12 Indoor High Voltage Handcart Vacuum Circuit Breaker – Timetric , The product will supply to all over the world, such as: Costa Rica, Poland, Mexico, Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.

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