12Kv Indoor High Voltage Vacuum Circuit Breaker For Power House Power Grid Overload Protecting

 Technical specifications

No.

Item

Unit

Data

1

Rated voltage

kV

7.2/12

2

Rated frequency

Hz

50/60

3

Rated short time withstand voltage (1 min)

kV

42

4

Rated lighting impulse withstand voltage (peak)

kV

75

5

Rated current

A

Cabinet width
650mm (draw-out)
80mm,1000mm

Cabinet
width
80mm

Cabinet
width
1000mm

630

630

630

160

1250
1600

1600,2000
2500,3150

1250

1250

1250

6

Rated short-circuit breaking current

kA

20

25

31.5

31.5

40

31.5 40

7

Rated short-time withstand current (4S)

20

25

31.5

31.5

40

31.5 40

8

Rated short-circuit closing current

50

63

80

80

100

80 100

9

Rated peak withstand current (peak)

50

63

80

80

100

80 100

10

Rated short-circuit current breaking times

30

11

Rated current of single/back-to-back capacitor bank

A

630/400 (for 40KA is 800/400)

12

Main conducting loop resistance

μΩ

≤65μ

13

Rated operating order

Times

O-0.3S-CO-180S-CO

14

Rated operating voltage

V

AC220/110,DC220/110

15

Mechanism life

Times

2000

16

Weight

kg

140

1, the circuit breaker adopts solid insulation sealing method, meet the requirements of normal operation under the condition of the insulation, and effectively reduced the volume of circuit breaker, the overall layout is reasonable, beautiful, concise;
 
2, operation mechanism, USES the spring mechanism that is designed for this new type of circuit breaker, the output curves to the demands of the arcing chamber cooperate good, its performance is more suitable for the characteristics and requirement of 12 kV vacuum circuit breaker, has the very high reliability, long service life, convenient maintenance, free maintenance;
 
3, circuit breaker handcart can easily move in the switch cabinet, the handcart stroke range is accurate and reliable; Supporting force machinery artesian, satisfies the requirement of switchgear "five prevention" function;
 
4, with long service life, convenient maintenance, no pollution, no explosion danger, and low noise, apply to is quite harsh operating conditions of the workplace.

 Competitive Advantage:

<> ISO9001 quality management system
<> ISO14001 environmental management system
<> Three OHSAS18001 Occupational Safety and Health Management System certification
<> PCCC certification and energy-saving products certification for compulsory product certification
<> GB1094.1-1996 GB1094.2-1996 JB/T 10088-2004
<> GB1094.3-2003 GB1094.5-2008
<> GB/T 6451-2008 GB/T 7595-2008 JB/T 3837-2010
<> 6S Management System
<> "National User Satisfying Enterprise"
<> "National Second-level Safety Standardization Enterprise"
<> "The Most Growing Private Enterprise of China"
<> "Zhejiang Standard Innovation Type Enterprise"
<> "Zhejiang Business Enterprise Credit AAA Level Unit Loyally Abiding by Contracts and Credits"
<> "Chinese Famous Brand", "Zhejiang Famous Brand" and " Wenzhou Famous Brand Products"
<> "Zhejiang Well-known Firms"
<> "National Torch Plan Project"
<> "National Spark Program Projects" 
<> "Zhejiang Major Science and Technology Special"
<> "Zhejiang Science and Technology Award"

 Applications:

     ZW63A-12CG series HV AC vacuum circuit breaker is 12KV medium voltage vacuum circuit breaker, is used in media voltage power distribution system to protect from on, off, bear of load current, over current and short circuit current. The setting is mainly used for power house, power grids, oil and chemical industrial, metallurgy, city establishment, such as underground, airport, building and etc. it is a ideal matching product of insulated metal-clad switchgear.

Power transmission and transformation system for agriculture
Power plant
Distribution station
Commerce electrical substation
Villages
Communities
Mining
Petrochemical enterprise