Zw20 12kv 630A 1250A Outdoor Vcb Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Pole Mounted
• Structure: Fully Enclosed Structure
• Model NO.: Zw20
• Poles Number: 3
• Type: Circuit Breaker
• Function: Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000
• Rated Current: 630A, 1250A
• Rated Voltage: 12kv
• Rated Frequency: 50Hz
• Mechanical Life: 10000 Times
• Transport Package: Standard Export Package
• Trademark: RUIFENG
• Origin: Zhejiang
• HS Code: 8504210000

Product Description

Zw20 12kv 630A 1250A Outdoor Vcb Vacuum Circuit Breaker

Product Description

Application:
This vacuum circuit breaker is mainly used for 12kV medium-voltage outdoor overhead power lines to switch in urban and rural power grid distribution systems.
This device connects load currents, overload currents, and short-circuit currents.
It can be used in substations, industrial and mining enterprises' power distribution systems, and rural power grids that require frequent operation, for protection and control purposes.

♦a fully enclosed structure and has good sealing performance.
♦Simple structure Compact size and lightweight, facilitating installation.
♦Strong breaking capacity, high safety, and long service life.

2. Ambient condition
♦ Ambient air temperature: -40ºC to +40ºC;
♦ Altitude: not exceeding 2000 meters;
♦ Wind speed not exceeding 35m/s;
♦ Vibrations or seismic activity from external switch and control devices can be ignored;
♦ Pollution level: Grade IV;
♦The place has no fire and explosion hazards and has no flammable gases, chemical corrosion, or severe vibrations.
♦ The earthquake intensity does not exceed 8 degrees
 

No .	Item	Unit	Data
1	Rated Voltage	kV	12
2	Rated Current	A	630 ,1000
3	Rated Frequency	Hz	50
4	Rated Short-Circuit Breaking Current	kA	12 .5 ,16 ,20 ,25
5	Rated Peak Withstand Current (Peak)	kA	31 .5 ,40 ,50 ,63
6	Rated Short-Time Withstand Current (4S)	kA	12 .5 ,16 ,20 ,25
7	Rated Short-Circuit Closing Current (Peak)	kA	31 .5 ,40 ,50 ,63
8	Mechanical Life	Times	10000
9	Rated Current Breaking Operations	Times	10000
10	Rated Short-Circuit Breaking Operations	Times	30
11	Power Frequency Withstand Voltage (1min) : Phase to Phase, Phase to Ground, Breaking Gap	kV	42
12	Lightning Impulse Withstand Voltage (Peak) : Phase to Phase, Phase to Ground, Breaking Gap	kV	75
13	Secondary Loop 1min Frequency Withstand Voltage	kV	21
14	Net Weight	kg	140

Product Main Structure Diagram

FAQ

1. How to buy your ideal products?
A: You can provide us your drawings, and we will produce it as per your drawings. Or we can design it if you do not have a clear plan.
 
2. How to pay?
A: TT and L/C are acceptable and TT will be more appreciated.30% deposit before producing, 70% balance before loading by TT.
 
3. What is the delivery time?
A: It depends on order quantity.Generally, the delivery time will be within 15 to 30 days.
 
4. Package information
A:For inner box and master carton are made as per international standards,and we can make special designed for you if need.And if necessary,will be packed in pallet to avoid any damage.
B:Not more than 35kg per carton box,about 1000kg per pallet
 
5.How long to make a sample?Is it free?
A:7 days depending on the sample's complexity.Normally,our sample is free
 
6.How to contact us?
A:Send your inquiry details in the below,Click "send" now! 
 

Our Service

1.Thousands of products in stock and ready to ship.
2.The most competitive pricing
3.Free shipment container loading
4.Putting the customer's needs first,always
5.On call,24 hours a day,7 days a week