| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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The ZN12-24 vacuum circuit breaker is an indoor high-voltage switchgear with a rated voltage of 24kV and three-phase AC 50Hz. Its operating mechanism is a spring energy storage type, which can be operated by AC or DC, or manually.|
S/N
|
Item
|
Unit
|
Parameter
|
|
1
|
Rated voltage
|
kV
|
24
|
|
2
|
Rated current
|
A
|
1250 1600 2000
|
|
3
|
Rated short-circuit breaking current
|
kA
|
31.5
|
|
4
|
Dynamic stability current
|
kA
|
80
|
|
5
|
4s thermal stability current
|
kA
|
31.5
|
|
6
|
Rated short-circuit making current (peak value)
|
kA
|
80
|
|
7
|
Rated short-circuit current breaking times
|
time
|
20
|
|
8
|
Rated operating sequence
|
|
o-0.3s-co-180s-os
|
|
9
|
Lightning impulse withstand voltage (full wave)
|
kV
|
125
|
|
10
|
Rated short-time power frequency withstand voltage (1min)
|
kV
|
65
|
|
11
|
Closing time
|
s
|
≤0.09
|
|
12
|
Opening time
|
s
|
≤0.055
|
|
13
|
Full breaking time
|
s
|
≤0.09
|
|
14
|
Mechanical life
|
time
|
10000
|
|
15
|
Rated current breaking times
|
time
|
10000
|
|
16
|
Rated capacitor bank breaking current
|
A
|
630
|
|
17
|
Energy storage motor power
|
W
|
275
|
|
18
|
Rated voltage of energy storage motor
|
V
|
110 220
|
|
19
|
Energy storage time
|
s
|
≤15
|
|
20
|
Rated voltage of closing electromagnet
|
V
|
110 220
|
|
21
|
Rated current of opening electromagnet
|
V
|
110 220
|
|
22
|
Rated current of overcurrent release
|
A
|
5
|
|
23
|
Auxiliary switch rated current
|
A
|
AC 10 DC 5
|
Drawing
|
FAQ
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
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