Place of Origin:
Zhejiang, China
Brand Name:
Eberry
Certification:
CE,CQC,ISO9001
Model Number:
ZN63(VS1)-12KV-210
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ZN63 11kv 12kv 630a VS1 VCB Embedded Switchgear Vacuum Circuit Breakers
NO
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Item
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Unit
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Technical parameters
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|
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1
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Rated voltage
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KV
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12
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2
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Rated short-duration power frequency withstand voltage
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KV
|
42/48(Interphase, ground/fracture)
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3
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Rated lightning impulse withstand voltage
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KV
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42/48(Interphase, ground/fracture)
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4
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Rated frequency
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HZ
|
50
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5
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Rated current
|
A
|
630 1250
|
630 1250 1600
2000 2500 3150 |
630 1250 1600
2000 2500 3150 |
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6
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Rated short-circuit breaking current
|
KA
|
20/25
|
31.5
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40
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7
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Rated short-time withstand voltage
|
KV
|
20/25
|
31.5
|
40
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8
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Rated short circuit duration
|
S
|
4
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|
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9
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Rated peak withstand current
|
KA
|
50/63
|
80
|
100
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10
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Rated short circuit closing current
|
KA
|
50/63
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80
|
100
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11
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Secondary circuit power frequency withstand voltage (1min)
|
|
2000
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12
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Rated single / back to back capacitor group breaking current
|
A
|
630/400(40kA:800/400)
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13
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Rated capacitor bank closing current
|
KA
|
12.5 (frequency is not greater than)
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14
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Mechanical life
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20000
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15
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Rated current breaking times (electrical life)
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20000
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16
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Rated short circuit current breaking times
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TIMES
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50(40KA≤30)
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17
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Dynamic and static contacts allow wear cumulative thickness
|
MM
|
3
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|
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18
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Energy storage time
|
S
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≤10
|
|
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19
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Contact opening distance
|
MM
|
11±1
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|
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20
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Overtravel
|
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3.5±0.5
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21
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Contact closing bounce time
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MS
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≤2(40KA≤3)
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|
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22
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Three-phase split/closed period
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≤2
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|
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23
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Average opening speed (contacts are separated by -8mm)
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M/S
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1.2±0.2
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24
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Main conductive loop resistance
|
μΩ
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≤50(630A)≤45(1250A)
≤40 (1600,2000A)≤35 (2500A or more)
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|
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25
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Rated operation sequence
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0-0.3s-Co-180s-Co
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