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ZW30 40.5/2000 31.5 outdoor HV vacuum circuit breaker

  • Units in Stock: 100

ZW30-40.5/2000-31.5 outdoor HV vacuum circuit breaker

 ZW30-40.5/2000-31.5 outdoor HV vacuum circuit breaker (hereinafter referred to as ZW30-40.5) can be used in the power system with rated voltage 40.5KV, rated current 2000A and three - phase AC 50HZ to protect the equipment in the industrial and mineral enterprises, power plants and substations, which can be used as a connecting circuit breaker in the workplaces of frequent operation.
This product complies with the standards of the GB1984-89 AC HV Circuit Breaker, IEC56 HV AC Circuit Breaker and JB3385-1996 3.6-40.5KV Indoor AC HV Vacuum Circuit Breakers.

Features: of High Voltage Vacuum Circuit Breaker

Type designation:
 
Technical parameter:

NO

Name

Unit

Data

1

Rated voltage

KV

40.5

2

Rated insulating level

Rated 1min power frequency withstand voltage

Dry test(fracture,phase-to-phase,phase-to-earth)

95*

Wet test(to earth, external insulation)

80*

Lightning impulse withstand voltage (crest)

185*

3

Rated current

A

2000

4

Rated short-circuit breaking current

KA

31.5

5

Rated short-circuit making current(crest)

80

6

Rated operative sequence

0-0.3sCO**-180s-CO**

7

Rated out-of-phase breaking current

KA

8

8

The rated single condenser group breaking current

A

630

9

         Rated short-circuit lasting time

S

4

10

         Rated short-circuit breaking times

Times

20

11

Arcing time

Ms

<20

12

Fully breaking time

Ms

<=85

13

Mechanical endurance(CO)

Times

10000

14

Rated charge pressure

Apply

TD-40.5W/2000-31.5(K)

Vacuum arc-chute filled with SF6

Mpa

0.02(20ºC)

Apply

TD-40.5W/2000-31.5(K)

Vacuum arc-chute filled with dry air and pure nitrogen

15

Annual leakage rate

%

<=1

16

The degree of vacuum
arc-chute

Arc-chute newly produced

Pa

<=1.33X10-3

Storage period for 20 years

< 6.6X10-2


Notes for ordering:
      a. Name, type, quantity and delivery date;
      b. The color of shell;
      c. Please give specifications in details , if current transformer, lightning arrestor and others are required.