High Voltage Vacuum Circuit Breaker 11kv 630A for Power Distribution System

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Model NO.: zw32
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Magnet
• Installation: Fixed
• Structure: Ab-3s
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: ISO9001-2000, IEC
• Transport Package: Wooden Carton
• Specification: AB-3S Voltage Permanent Magnet Circuit Breaker
• Trademark: JECSANY
• Origin: China
• HS Code: 8504220000
• Production Capacity: 50000PCS/Years

Product Description

Product Description

This VCB series adopts advanced vacuum interrupter technology and high-quality ceramic housing, demonstrating excellent breaking performance and electrical endurance. Suitable for power system protection and control in power plants, substations and industrial facilities, it features reliable operation even under frequent switching conditions. Compliant with international standards, it's a key component for modern smart grids.

Product Parameters

0	ltem	Units	Technical parameters
1	Rated voltage	KV	12
2	Rated short-duration power frequency withstand voltage		42/48(Interphase,ground/fracture)
3	Rated lightning impulse withstand voltage		42/48(Interphase,ground/fracture)
4	Rated frequency	Hz	50
5	Rated current	A	630 1250	63012501600200025003150	63012501600200025003150
6	Rated short-circuit breaking current	KA	20/25	31.5	40
7	Rated short-time withstand voltage		20/25	31.5	40
8	Rated short circuit duration	S	4
9	Rated peak withstand current	KA	50/63	80	100
10	Rated short circuit closing current		50/63	80	100
11	Secondary circuit power frequency withstand voltage(1min)		2000
12	Rated single /back to back capacitor group breaking current	A	630/400(40kA:800/400)
13	Rated capacitor bank closing current		12.5(frequency is not greater than)
14	Mechanical life	KA	20000
15	Rated current breaking times(electrical life)		20000
16	Rated short circuit current breaking times	times	50(40KA≤30)
17	Dynamic and static contacts allow wear cumulative thickness	mm	3
18	Energy storage time	S	≤10
19	Contact opening distance	mm	11±1
20	overtravel		3.5±0.5
21	Contact closing bounce time	ms	≤2(40KA≤3)
22	Three-phase split/closed period		≤2
23	Average opening speed (contacts are separated by-8mm)	m/s	1.2±0.2
24	Main conductive loop resistance		0.6±0.2
25	Main conductive loop resistance	μΩ	≤50(630A)=45(1250A) ≤40(1600,2000A)≤35(2500A or more)
26	Rated operation sequence		0-0.3s-Co-180s-Co

Product features

1. Excellent breaking performance - Vacuum interrupter ensures no reignition or current chopping
2. Extra-long service life - Up to 30,000 mechanical operations and 10,000 electrical operations
3. Intelligent monitoring - Optional condition monitoring module for real-time parameters tracking
4. Modular design - Easy installation and maintenance, compatible with various switchgears

Packaging & Shipping

Q: Can we get a sample for reference?
A: Yes, as long as the goods are conventional type, and you will be charged sample cost plus related shipping cost. Once you place an order to us, we can return or deduct the sample cost to you.

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.

Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 25-35days upon the receipt of advance payment.

Q: What is your terms of payment ? 
A: We accept West Union, T/T, irrevocable L/C at sight. Prefer T/T 30% deposit before production, the balance against copy of B/L.

Q: Can you print our brand on the product?
A: Yes, of course, we also do OEM to print client's brand on the product.