ZN63-24 Vacuum Circuit Breaker（VS1） is mainly made of solid-sealed poles, and the operating mechanism is optimized to greatly improve the insulation reliability, mechanical reliability and breaking performance of the circuit breaker, and truly achieve the main circuit maintenance-free and Longer mechanical and electrical life; forming system
Listed products to meet different usage requirements.
The installation form of ZN63-24（VS1） Vacuum Circuit Breaker in the switch cabinet can be either fixed type or handcart type.
Model Description
Z:Vacuum circuit breaker
N:Indoor
63:Design Number
24:Rated voltage:24kV
▢: Rated current:630A、1250A、1600A、2000A、2500A、3150A
▢: Rated short-circuit breaking current:20kA、25kA、31.5kA
Working Environment：
1. Ambient air temperature: upper limit +40 degrees, lower limit -40 degrees;
2. Altitude: ≤2000m (if the altitude increases, the rated insulation level will be increased accordingly);
3. Wind pressure: no more than 700Pa (equivalent to wind speed of 34m/s);
4. Earthquake intensity: no more than 8 degrees;
5. Contamination level: Ⅳ level;
6. Maximum daily temperature difference: no more than 25 degrees;
7. Relative humidity: the daily average is not more than 95%, and the monthly average is not more than 90%;
8. Places without inflammability, explosion hazard, chemical corrosion and severe vibration.
Main Technical Parameters
|
Number
|
Parameter
|
Unit
|
Value
|
|
1
|
Rated voltage
|
kV
|
24
|
|
2
|
Rated insulation level
|
Rated short-time power frequency withstand voltage (1min)
(interphase, relative ground, fracture)
|
kV
|
65、79
|
|
Rated lightning impulse withstand voltage
(phase, phase, port)
|
kV
|
125、145
|
|
3
|
Rated frequency
|
Hz
|
50
|
|
4
|
Rated current
|
A
|
630、1250、1600、
2000、2500、3150
|
|
5
|
Rated short-circuit breaking current
|
kA
|
20 、25 、31.5
|
|
6
|
Rated short-time 4s withstand current
|
20、 25、 31.5
|
|
7
|
Rated short-circuit making current
|
50、 63、 80
|
|
8
|
Rated peak withstand current
|
50 、63、 80
|
|
9
|
Nominal Operation Sequence
|
|
O-0.3s-CO--180s-CO
|
|
10
|
Rated short-circuit breaking current breaking times
|
time
|
20
|
|
11
|
Rated cable charging breaking current
|
A
|
31.5
|
|
12
|
Rated single capacitor bank breaking current
|
A
|
630
|
|
13
|
Rated back-to-back capacitor bank breaking current
|
A
|
400
|
|
14
|
Mechanical life
|
time
|
10000
|
|
15
|
The moving and static contacts allow the accumulated thickness of wear
|
mm
|
3
|
Structure And Mounting Dimensions
FAQ:
Q1. How many installation types are there for this ZN63-24 24kv Vacuum Circuit Breaker （VS1）?
A1.Three types :Fixed type/Handcart type/Side loading type
Q2.Can I order a ZN63-24 Vacuum Circuit Breaker （VS1） sample?
A2:Yes, we accept any sample orders
Q3. How about rated voltage of 24kv Vacuum Circuit Breaker （VS1）?
A3:The rated voltage is 24kv.
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