High Voltage 3 Phase Vacuum Circuit Breaker
Outdoor AC vacuum circuit breakers are used to connect and disconnect load current, overload current and short-circuit current in 12/24kV, 50/60Hz power systems. It is suitable for substation, industrial and mining, urban and rural power grids, especially in the occasions of frequent operation...
Description
Outdoor AC vacuum circuit breakers are used to connect and disconnect load current, overload current and short-circuit current in 12/24kV, 50/60Hz power systems. It is suitable for substation, industrial and mining, urban and rural power grids, especially in the occasions of frequent operation and automatic distribution network. Comply with IEC622 71-100 & GB1984: AC high voltage circuit breaker, IEC60694 & GB/T11022: General technical requirements for HV switch control equipment.
| Name | Unit | Data | ||
| 12kV | ||||
| Rated voltage | KV | 12 | ||
| Rated current | A | 630,1250 | ||
Rated insulating level | 1min.PF withstand voltage | dry | KV | 42(across open contacts:48) |
| wet | 34 | |||
Lightning impulse withstand voltage(peak) | kv | 75(across open contacts:85) | ||
Rated short-circuit breaking current | KA | 20,25 | ||
Rated short-circuit making current (peak) | KA | 50,63 | ||
Rated peak withstand current | KA | 50,63 | ||
4s rated short-time withstand current | KA | 20,25 | ||
| Rated operating sequence | O-0.3s-CO-180s-CO | |||
Breaking times of rated short-circuit breaking current | times | 30 | ||
| Mechanical duration | times | 10000 | ||
Rated voltage of energy storage motor | V | DC or AC220,DC110, 48, 24 | ||
| Rated operation voltage | V | DC or AC220,DC110, 48,24 | ||
| Abrasions thickNess of contacts | mm | 3 | ||
Rated current of over-current release | A | 5 | ||
| Current transformer ratio | 200/5, 400/5, 600/5 (Protection degree: Ⅲ class, Class: 0.5) | |||
FAQ:
Q: Can we get samples for reference?
A: Yes, as long as the goods are of conventional type, you will be charged for the sample fee and related transportation costs.
Q: How to solve quality problems after sale?
A: Take photos of quality problems, and then send them to us for inspection and confirmation. We will provide you with a satisfactory solution within 3 days.
Q: What is the delivery time?
A: The delivery time depends on the quantity ordered, usually within 25-35 days after receiving the advance payment.
Q: What are your payment terms?
A: We accept Western Union, wire transfer, and irrevocable letters of credit.
Q: Can you print our brand on the product?
A: Yes, of course, we also carry out OEM to print the customer's brand on the product.
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