Vs1-12 11kv Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Model NO.: VS1-12
• Arc-extinguishing Medium: Vacuum
• Installation: Insert
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB, Do as Your Request
• Certification: ISO9001-2000, CE
• Rated Voltage: 12kv
• Rated Frequency: 50/60Hz
• Rated Current: 630A/1250A/1600A/2000A
• Phase Distance: 150mm/210mm
• Transport Package: Wooden Case
• Specification: steel, expoxy resin
• Trademark: LIYOND
• Origin: China
• Production Capacity: 3000/Month

Product Description

VS1 VCB Vacuum Circuit Breaker

VS1 VCB Vacuum Circuit Breaker

Introducing the 630A 11kV 12kV indoor VS1 VCB vacuum circuit breaker, designed for electrical panel boards.

Summary

This three-phase AC, 50Hz indoor power distribution equipment operates at 12KV, ideal for protecting and controlling equipment in power supply and distribution systems, including substations and industrial applications.

Features

• Reliable interlock function


• Capable of frequent operations at rated current


• Can handle multiple breaking of short-circuit and fault currents

Product Standard

Conforms to national standards GB 1984-2003, JB3855 1996, and DL/T403-2000, as well as IEC62271-100:2001 regulations for high voltage AC circuit breakers.

Applying Ambient Conditions

• Ambient temperature: -10ºC to +40ºC


• Ambient humidity: not exceeding 95% daily and 90% monthly


• Earthquake intensity: not exceeding 8 degrees


• Saturated vapor pressure: not exceeding 2.2kPa daily and 1.8kPa monthly


• Installation height above sea level: up to 1000m

Technical Data

For detailed technical specifications, please contact 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%

Yueqing Liyond Electric Co., Ltd. presents the Vs1-12 11kv Vacuum Circuit Breaker for indoor use. Ensure cold wind for 4000A rated current.

Product Description

Welcome to Yueqing Liyond Electric Co., Ltd.

Product Description

Are you looking for high-quality electrical products? Look no further! At Yueqing Liyond Electric Co., Ltd., we offer a wide range of products to meet your needs.

FAQ

• Prices: Feel free to inquire about our prices, and we will respond within 24 hours.


• Samples: Yes, we welcome sample orders for quality testing.


• Logo Printing: We accept OEM orders with brand authorization.


• Customization: Provide us with specific drawings or parameters for a quote.


• Lead Time: Depending on quantities ordered, expect delivery within 7-20 days.


• Trade Terms: We accept EXW, FOB, CIF, FCA, etc.


• Payment Methods: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc.


• Quality Inspection: Our QC department inspects each step of production and finished products.


• After Sales: Send photos of quality problems for a solution within 3 days.