Medium Voltage Vacuum Circuit Breaker

Medium Voltage 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

So far, we have developed into a well-equipped Air Insulated Switchgears, Outdoor Substation, AC Metal Enclosed Switch Cabinet manufacturers in the industry. Combined with the actual situation of our company, we put forward to improve our professional and technical personnel incentive mechanism and supporting mechanism. Our products are sold to the Middle East, Southeast Asia, Africa, Europe, America and other regions, and are favorably appraised by clients. As a commercial entity, keeping its promises and achieving missions is the foundation of long-term development. We always adhere to the people-oriented principle and consciously unify the promotion of enterprise development and the maintenance of the fundamental interests of employees.

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.

Our Medium Voltage Vacuum Circuit Breaker is stable, safe and reliable, complete in specifications and diverse in variety. With our keen market judgment and strong development ability, we will integrate into the world development pattern with an international vision and achieve a high level of internationalization. Our products are strictly inspected before exporting, So we gain a good reputation all over the world.

Hot Tags: high voltage 3 phase vacuum circuit breaker, China, manufacturers, suppliers, customized, industrial power transformer, Box Type Compact Substation, Armoured Removable Enclosed Switchgear, Power Transformer Substations, Energy Efficient distribution Transformer, Substation

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