Product Details:
|
Normal Voltage: | 12KV-24KV | Normal Current: | 630A-2000A |
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Breaking: | Max 25KA | Type: | Withdrawable/fixed |
Original: | Zhengzhou, CHINA | Manufactory: | KNKONG |
High Light: | Embedded Pole Vacuum Circuit Breaker,Vacuum Circuit Breaker ODM,Vacuum Circuit Breaker 630A |
VS1-12 embedded pole Vacuum circuit breaker ODM
Voltage: 12-24KV
Current: 630-2000A
Breaking current: MAX 25KA
Type: withdrawable/Fixed
Product overview
VS1-12 series "high voltage vacuum circuit breaker" is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum; the vacuum circuit breaker has small size, light weight, suitable for frequent operation, extinguishing The advantage of the arc without maintenance is more popular in the distribution network.
Technical Parameters
No. | Item | Unit | Parameter | ||||||
1 | Rated voltage | KV | 12 | ||||||
2 | Rated frequency | Hz | 50/60 | ||||||
3 |
Rated insulation level |
1min power frequency withstand voltage(r. m. s) |
KV |
42(phase-to-phase, phase-to-earth) 48(across the isolating distance) |
|||||
Lighting impulse withstand voltage (peak) |
75(phase-to-phase, phase-to-earth) 85(across the isolating distance) |
||||||||
4 |
Rated current |
A |
630 | 630 | 1250 | 1600 | |||
1250 | 1250 | 1600 | 2000 | ||||||
2000 | 2500 | ||||||||
2500 | 3150 | ||||||||
4000 | |||||||||
5 | Rated short-circuit breaking current |
KA |
20 | 25 | 31.5 | 40 | |||
6 | Rated short-time withstand current | 20 | 25 | 31.5 | 40 | ||||
7 | Rated short-circuit marking current | 50 | 63 | 80 | 100 | ||||
8 | Rated peak withstand current | 50 | 63 | 80 | 100 | ||||
9 | Rated duration of short-circuit | s | 4 | ||||||
10 | Rated operating sequence | O-0.3s-O/C-180s-O/C | |||||||
11 | Breaking times of rated short-circuit current | Times | 30/20 times(40KA) | ||||||
12 | Mechanical endurance | Ops | 20000 | ||||||
13 | Rated single capacitor bank breaking current |
A |
630 | ||||||
14 | Rated back-to-back capacitor bank breaking current | 400 | |||||||
15 | Double-earth fault breaking current | 27.4 | |||||||
16 | Allowable maximum contact erosion |
mm |
3 | ||||||
17 | Clearance between open contacts | 10±1 | |||||||
18 | Over stroke | 3.5±0.5 | |||||||
19 | Non-simultaneity of 3-phase opening and closing |
ms
|
≤2 | ||||||
20 | Bounce duration of contact closing | ≤2 | |||||||
21 | Average breaking speed (instant breaking 6mm) |
m/s
|
1.1±0.2 | ||||||
22 | Average making speed | 0.8±0.2 | |||||||
23 | Making time |
ms
|
≤100 | ||||||
24 | Breaking time | ≤50 | |||||||
25 |
Resistance of each phase main circuit |
μ Ω |
630A | ≤50 | |||||
1250A | ≤45 | ||||||||
1600A~2000A | ≤35 | ||||||||
≥2500A | ≤25 | ||||||||
26 | Contact breaking bounce amplitude | mm | ≤2 | ||||||
27 |
Rated operating voltage | Rated operating voltage(V)AC/DC |
V |
24* | 110 | 220 | |||
Scope of normal operation voltage | Opening:65%-120% rated voltage, in case the voltage is lower than 30% rated voltage, opening operation is not allowed | ||||||||
28 | Rated voltage of energy storage motor | V | AC110/220,DC110/220 | ||||||
29 | Energy storage time | S | ≤15 |
Contact Person: Antonio
Tel: +8613607680651