High-Voltage Vacuum 3 Phase 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
Strict and complete quality inspection means, standardized scientific management system and unique product development plus moderate price and perfect after-sales service, the Epoxy Resin Cast Dry-type Transformer, High Tension Switchgear, Electrical Substation sell well in various countries. We believe that the company is a learning organization, so that we advocate learning at work and working in learning, emphasizing a little improvement every day. Our company has consistently carried out the development policy of 'your needs are our pursuit'. We are committed to the working principle of 'seeking innovation and pragmatism' and constantly research and develop products suitable for market demand in various industries. Never-ending improvement and striving for 0% deficiency are our two main excellent policies.
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.
We will state with absolute certainty that for such excellent at such charges we are the lowest around for High-Voltage Vacuum 3 Phase Circuit Breaker. Our company has established long-term and stable cooperative relations with many retailers and agents. We have won the trust of the majority of customers by the principle of multi variety management characteristics and small profits and high sales. We strive to exceed the expectations of customers and efforts, this is the company's consistent purpose and supreme glory, a cooperation, lifelong friends.
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