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11kv vacuum circuit breaker vcb 630A

Basic Info

Model No.: VSY1-12

Product Description


11kv Vacuum Circuit Breaker 630A

parameter data

NO. Item Unit data
1 Rated voltage KV 12
2 Rated short-time power frequency wiiithstand voltage 1min 42
3 Rated lighting implus withstand voltage(peak) 75
4 Rated frequency Hz 50
5 Rated current A 630 1250 1600
6 Rated short-circuit breaker current KA 20/25 31.5 31.5/40
7 Rated short-time withstand current 20/25 31.5 31.5/40
8 Rated duration of shor-time S 4
9 Rated Peak withstand current KA 50/63 80 80/100
10 Rated short-circuit making current 50/63 80 80/100
11 Secondary circuit power frequency withstand voltage V 2000
12 Rated single/back-to-back capacitor bank breaking current A 630/400
13 Closing current of rated capacitor bank KA 12.5(≤1000HZ)
14 Opening time(Rated voltage) MS ≤45
15 Closing time(Rated voltage) ≤55
16 Mechanical life TIMES 10000
17 Rated short-circuit current breaking times 3
18 Rated closing operation voltage V DC110/220 AC110/220
19 Rated opening operation voltage DC110/220 AC110/220
20 Rated power of energy storage motor w 90
21 Storage time s ≤10
22 Rated contact stroke mm 9±1
23 Overtravel mm 3.5±0.5
24 Contact bouncing duration at closing operation ms ≤3
25 Out of simultaneity of contact closing and opening ≤2
26 Average opening speed m/s 0.7±0.3
27 Average closing speed 1.1±0.3
28 Main circuit resistance (isolation + circuit breaker) μΩ ≤80
29 Main circuit resistance (circuit breaker) ≤40
30 Ground Switch loop resistance ≤50
31 Opening distance of Isolating Switch mm ≥125
32 Opening distance of earth switch static and dynamic contact ≥125
33 Out of simultaneity of isolating switch three-phase closing operation  ≥2
34 Rated operation ranking   O-0.3S-NO-180S-NO








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Zheguang company has advanced production and test equipments.In strict accordance with national standards and international standards of production.We control the procedures from raw material to the finished products completely. In addition,the company set down the quality policy"the customer demand as the center,production management as foundation,imporve the quality system continuously,provide customer with satisfaction products”.



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