Product Center

Cheap 33kV 630amp isolator Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for 400 Amp Switchgear, Electrical Transformer Station, Safety Switchgear, Now we have established steady and long business relationships with customers from North America, Western Europe, Africa, South America, more than 60 countries and regions.
Cheap 33kV 630amp isolator Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R Detail:

Specification

Serial number

parameter name

Value

1

Rated voltage

12KV

2

Rated current

630A

3

Power frequency withstand voltage

42kV/48kV

4

Mechanical life

10000

5

Isolation new port disconnect distance

> 200mm

6

Average opening speed

1.0+0.2m/s

7

Average closing speed

0.7+0.15m/s

Parameter

Rated voltage

KV

12

Max. operating voltage

KV

12

Rated current

A

630

Rated short circuit load breaking current

KA

20

Rated short circuit making current (peak)

KA

50

Rated p-eak withstand current

KA

50

Rated short time withstand current 1 min

KA

20

Rated insulation Power

level

Power frequency withstand voltage (dry) 

KV

42

Lig htning impulse withstand voltage (peak}

KV

75

Rated operating sequence

 

(O)-0.3s{CO)-180s (CO)

Mechanical life

time

10000

Nos of breaking rated short circuit breaking current

time

30

Rated dosing voltage of operating mechanism

V

110,220

Rated opening voltage of operating mechanism

V

110,220

Opening distance of contact

mm

11 ±1

Over travelling distance (spring compressed length of contact}

mm

3

Asynchrony of opening or closing three phases

ms

≤2

Jumping time of contact closing

ms

≤2

Average opening speed

s

1.0±0.2

Average closing speed

s

0 7±0.15

Opening time

Under highest operating voltage

s

0.015-0.05

Under lowest operating voltage

s

0.03-0.06

Closing time

s

0.025-0.05

Main circuit resistance of each phase

卩C

≤120

Permissible abraded thickness of moving and static contacts

mm

3


Product detail pictures:

Cheap 33kV 630amp isolator Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

Cheap 33kV 630amp isolator Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

Cheap 33kV 630amp isolator Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures

Cheap 33kV 630amp isolator Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R detail pictures


Related Product Guide:

As a result of ours specialty and service consciousness, our company has won a good reputation among customers all over the world for Cheap 33kV 630amp isolator Manufacturers - ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: UK, Munich, Bangladesh, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we are committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.
  • This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By Dinah from Oman - 2017.11.11 11:41
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Marco from Georgia - 2018.06.21 17:11
    Write your message here and send it to us