Zw Series 12kv 40.5kv Medium Voltage Pole Mounted Vacuum Circuit Breaker for Grid

Zw Series 12kv 40.5kv Medium Voltage Pole Mounted Vacuum Circuit Breaker for Grid

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

As a result of our own efforts and the help and support of our customers, our lv switchgear, Compact Transformer Substations, power distributing cabinet has gained a good reputation in the marketplace. We focus on the rapid and successful transformation of innovative ideas into new products. 'Customer satisfaction' is the eternal purpose of the company, and providing customers with 'zero defect' products and thoughtful service is the unswerving goal of every employee of the company. We warmly welcome merchants from home and abroad to call us and establish business relationship with us, and we will do our best to serve you. Please feel free to contact us.

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.

These endeavours include the availability of customized designs with speed and dispatch for Zw Series 12kv 40.5kv Medium Voltage Pole Mounted Vacuum Circuit Breaker for Grid. Our company has strong strength, attaches great importance to credit, abides by the contract, ensures the product quality and wins the trust of customers with the principle of diversified business characteristics and small profit and high sales. Now we have superior devices.

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