Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Energy-storage Type |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Item | Describtion | Unit | Data | |||||
1 | Rated Voltage | KV | 12 | |||||
2 | Rated Frequency | HZ | 50 | |||||
3 | Rated Lighting impluse withstand Voltage(Peak) | KV | 75 | |||||
4 | Rated Power frequency withstand voltage(1min) | KV | 42 | |||||
5 | Rated Voltage | A | 630 | 1250 | 1600 | 2000 | 2500 | |
1250 | 2000 | 2500 | 3150 | 4000 | ||||
6 | Rated Short Circuit Breaking Current | KA | 20/25 | 31.5 | 40 | |||
7 | Rated Short Circuit Making Current(Peak) | KA | 50/63 | 82 | 100 | |||
8 | 4Second Rated Withstand Curent | KAS | 20/425/431.5/4 | |||||
9 | Rated insuation level | Power frequency withstand voltage(1min) |
KV | 42/48 | ||||
Lighting impulse withstand voltage(peak) |
KV | 75/85 | ||||||
10 | Rated Operating Sequence | 0~0.3s-CO-180s-CO | ||||||
11 | Mechanical Life | times | 20000 | |||||
12 | Rated short circuit current breaking time | times | 30 | |||||
13 | Rated close brake voltage of operating machnie | V | AC220/110 DC220/110 | |||||
14 | Contact stroke | mm | 11±1 | |||||
15 | Exceed range(the compress lengthof contact sping) | mm | 3.5±0.5 | |||||
16 | Average closing speed | m/s | 0.5~0.8 | |||||
17 | Average Opening speed | m/s | 0.9~1.2 | |||||
18 | The jump time of contact close break | ms | ≤2 | |||||
19 | Different period of three-phase break and close break | ms | ≤2 | |||||
20 | Resistance ofeach phase main loop | μΩ | ≤50(630A)≤45(1250A) ≤35(1600-2000A)≤25(2500A) |
Our credentials are bolstered by the acclaimed ISO certification . Additionally, we possess an extensive collection of diverse type test reports that exemplify the unparalleled quality and reliability of our products.
Q1: Are you a trading company or manufacturer ?
A1: We are a professional factory with 7 years experience in the field of high and low voltage power transformers, substation, vacuum circuit breaker, power equipment.