Medium Voltage Three Phase 17.5kv/630A Vacuum Circuit Breaker

Medium Voltage Three Phase 17.5kv/630A 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

Based on the business philosophy of 'integrity-based, quality-oriented, long-term win-win', our company constantly strengthens product quality management, constantly improves the comprehensive level of customer service and makes every effort to provide customers with high-quality electrical switchgears, prefabricated modular substation, transformer power. Providing customers with efficient services is the yardstick of our work direction and value evaluation, because to satisfy customers is to achieve our goal. We believe that good business relationships will lead to mutual benefits and improvement for both parties.

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.


vacuum circuit breakers


NameUnitData
12kV
Rated voltageKV12
Rated currentA630,1250

Rated

insulating

level

1min.PF

withstand voltage

dryKV42(across open contacts:48)
wet34

Lightning impulse

withstand voltage(peak)

kv75(across open contacts:85)

Rated short-circuit breaking current

KA20,25

Rated short-circuit making current (peak)

KA50,63

Rated peak withstand current

KA50,63

4s rated short-time withstand current

KA20,25
Rated operating sequence
O-0.3s-CO-180s-CO

Breaking times of rated short-circuit breaking current

times30
Mechanical durationtimes10000

Rated voltage of

energy storage motor

VDC or AC220,DC110, 48, 24
Rated operation voltageVDC or AC220,DC110, 48,24
Abrasions thickNess of contactsmm3

Rated current of over-current release

A5
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.

Through experienced industry sales and service teams, many industry users can use our Medium Voltage Three Phase 17.5kv/630A Vacuum Circuit Breaker to improve the efficiency of their respective businesses and enhance their competitiveness. With good product quality, fast delivery time and considerate service, you will not have worries. After years of research and exploration in the field of new materials, our company has been developed to date, integrating R&D, production and sales.

Hot Tags: high voltage 3 phase vacuum circuit breaker, China, manufacturers, suppliers, customized, Industrial Ring Main Unit, 33kV Gas Insulated Ring Main Unit, Box Transformer Substation, Distribution Transformer, high and low voltage switch cabinets, electrical switchgears

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