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ZN85-40.5 Vacuum Circuit Breaker
  • ZN85-40.5 Vacuum Circuit Breaker
  • Product Name: ZN85-40.5 Vacuum Circuit Breaker
    Hit: 1572
    Category name: Vacuum Circuit Breaker
    Model: VCB 40.5/2000-31.5
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Product Description

 ·         Product Name: ZN85-40.5 Vacuum Circuit Breaker

·         Weight: 230 g

·         Model NO.: VCB 40.5/2000-31.5

·         Origin: CHINA

·         Packing: CASES

·         Brand Name: SUNWAY HANGUANG

·         Delivery Time: 20DAYS

·         Minimum Order: 1PCS

·         Supply Ability: 500PCS

·         Quality System Certification: ISO9001

·         Product Details:  ZN85-40.5 Vacuum Circuit Breaker

Product Type: Indoor AC HV VCB
  
 Product Information
  
 ZN85-40.5(3AV3) indoor vacuum circuit breaker is a special design which produced by our company and Xi'an High-voltage Electric Apparatus Institute. 40.5kV rated voltage, three-phase and AC 50/60HZ. It applies to mining firms, power house and substation acting as protection and control electric apparatus. It is also applicable in occasions with frequent operation.
  
 Product Features
  
 1. The arc-extinguish chamber is on the upper part and the mechanism is on the lower part. This structure isconvenient for debug.
 2. Complex insulating structire using air and organic material; Compactable dimension and small weight.
 3. Vacuum arc-extinguish chamber of Cutler-Hammer Company(USA) and domestic ZMD are both applicable for the VCB.
 4. Simple spring operation mechanism is free from maintenance within 10000 times of operations.
 5. Lead-screw propeller, easy and stable operation and good self-locking capability.

Specification Sheet:

 

Name

Unit

Data

Rated Voltage

kV

36

Rated current

A

1250

1600

2000

2500

3150

Rated power-frequency withstand voltage

kV

95

Rated lighting impulse withstand voltage

kV

185

Rated short-circuit breaking current

kA

20

25

31.5

 

Rated short-circuit making current

kA

50

63

80

 

Rated withstand current(peak)

kA

50

63

80

 

Rated duration of short circuit

S

4

Operating cycles at rated short-circuit breaking current

Times

30

Mechanical endurance

Times

20000

Make time

ms

<75

Breaking time

ms

<65

Rated single capacitor bank breaking current

A

630

Rated back-to-back capacitor bank breaking current

A

400

Rated voltage of store energy motor

V

DC220, 110 AC220, 110

Power for opening and closing coil

W

245

Overall dimension (width X depth X height)

mm

588 X 429 X 563

Weight

kg

100