Zn63 24kv Vacuum Circuit Breaker

Product Description

12kv Types vcb High Voltage Power Distribution Equipment

12kv Types vcb High Voltage Power Distribution Equipment

Indoor VS1 Vacuum circuit breaker

Summary: The ZN63A(VS1)-12 Model is an indoor high voltage 12kV 3 Pole High Voltage Vacuum Circuit Breaker designed for power systems rated at 12kV. It serves as a protective and control unit for power grid and industrial equipment, compatible with switchgear panels like KYN28(GZS1), XGN, and GG-1A. Related products include isolated handcart, fuse handcart, and voltage transformer handcart.

Structural Features:

1. Integrated design for operating mechanism and VCB body


2. Vertical insulation house for impact resistance


3. Fixed type and withdrawable type installation units available

Applying Ambient Conditions:

• Ambient temperature: -10ºC to +40ºC


• Relative humidity: Daily average ≤ 95%, Monthly average ≤ 90%


• Earthquake intensity: Not exceeding 8 degrees


• Saturated vapor pressure: Daily average ≤ 2.2kPa, Monthly average ≤ 1.8kPa


• Height above sea level: ≤ 1000m (Unless specified otherwise)


• Installation in areas free from fire, explosion, filth, chemical erosion, and vibration

Specification:

Manufacturer: Yueqing Liyond Electric Co., Ltd.

No.	Name	Unit	Data
1	Rated voltage	kV	12
2	Rated current	A	630		1000 1250			1600 2000 2500 3150
3	Rated short circuit breaking current	kA	20	25	20	25	31.5	31.5	40
4	Rated peak withstand current	kA	50	63	50	63	80	80	100
5	Rated short time withstand current	kA	20	25	20	25	31.5	31.5	40
6	Rated short circuit making current	kA	50	63	50	63	80	80	100
7	Switching operations of short circuit current	times	50
8	Rated operating sequence		O-0.3s-CO-180s-CO-180s-CO(40KA)
9	Mechanical endurance	times	10000
10	Rated breaking operations of the rated current	times	20000
11	Rated lighting impulse withstand voltage(full wave)	kV	75
12	1 min. rated power frequency withstand voltage	kV	42
13	Contact stroke	mm	9±1
14	Over-travel of contacts	mm	3.5±0.5
15	Closing speed	m/s	0.4∼0.8
16	Opening speed	m/s	0.9∼1.2
17	Contact bouncing duration at closing operation	ms	≤2
18	Simultaneity of three phase closing operation	ms	≤2
19	Closing time	ms	30∼70
20	Opening time	m/s	20∼50
21	Distance between phases	mm	150, 210, 275
22	D.C component		50%

Zn63 24kV Vacuum Circuit Breaker by Yueqing Liyond Electric Co., Ltd. Ideal for rated currents up to 4000A with cold wind. Perfect for indoor use.

Product Description

Welcome to Yueqing Liyond Electric Co., Ltd.

Below are some frequently asked questions about our products:

FAQ

Q: Could I have prices of your products?

A: Welcome. Please feel free to send us an inquiry here. We will reply to you within 24 hours.

Q: Can I get a sample before the bulk order?

A: Yes, we welcome sample orders 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. You need to provide brand authorization to us.

Q: Do you accept product customization?

A: Yes, of course, please provide specific drawings or parameters, and 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 inspected by the QC department before shipping. 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 them to us for checking and confirming. We will provide a satisfactory solution for you within 3 days.