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.
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