Medium Voltage 12kv/630A Vacuum Circuit Breaker

Medium Voltage 12kv/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

Our organization has a top quality assurance procedure have already been established for metal enclosed gas insulated switchgear, Power Distribution Transformer, HXGN-12 Ring Network Cabinet. We have thousands of bodies, but only one soul; we have thousands of families, but we share one responsibility; we have a thousand kinds of words, but we shoulder the same responsibility; we gather thousands of kinds of intelligence and wisdom, only to achieve our common goal: quality first, continuous improvement, seeking truth and excellence. We always adhere to the behavior responsibility of corporate citizens and make unremitting efforts in innovative product development, internal mechanism improvement, creating opportunities for partners and improving customer satisfaction, which has laid a solid foundation for our long-term development. 'Customers being up, quality being the first, excellent service being preconditions' is our consistent aim. We are looking forward to establishing long-term business relationship based on mutual-benefit and win-win results.

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 company has a professional R&D team, sophisticated processing equipment, and a complete set of testing procedures to ensure product quality, increase market share, and consolidate our position in the Medium Voltage 12kv/630A Vacuum Circuit Breaker industry. 'people-oriented' corporate culture condenses a group of professional talents with advanced knowledge, rich experience and entrepreneurial enthusiasm. Our goal is to become an enterprise that promotes the globalization of values, adapts flexibly to various changes and continuously and rapidly reforms.

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