Zhejiang, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Sample Available
German / Spanish Speaker

Hv Circuit Breaker, Vcb, Protectors manufacturer / supplier in China, offering Stong 12kv Vs1 (VBM7) Side-Install Hv Vacuum Circuit Breaker Switch, Vs1 11kv 12kv Safety Vacuum Circuit Breaker Indoor Type, 30W Hand Crank Generator Outdoor Generator and so on.

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Stong 12kv Vs1 (VBM7) Side-Install Hv Vacuum Circuit Breaker Switch

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Purchase Qty. / Reference FOB Price
1-29 Pieces US $850
30+ Pieces US $830
Port: Ningbo, China
Production Capacity: 10000
Payment Terms: L/C, T/T, D/P, Western Union, Paypal
Breaking Capacity: High Voltage Circuit Breakers
Operation: Electric Type
Speed: Normal Type Circuit Breaker
Arc-extinguishing Medium: Vacuum
Installation: Draw or Fixed
Structure: ACB

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Basic Info

Model NO.: VS1(VBM7)
Poles Number: 3
Type: Circuit Breaker
Function: Conventional Circuit Breaker
Certification: ISO9001-2000, CCC
Rated Voltage: 11kv 12kv
Rated Current: 630A 1250A
Machinery Life: 10000 Times
ODM/OEM: Available
Weight: 120kg
Scope of Application: Switchgear
Trademark: Shentong
Transport Package: in Wooden Case
Specification: 12KV
Origin: Yueqing City
HS Code: 8535210000

Product Description

                 1.Our Company Has Great Reputation In Domestic Market.
                           2.Good Quality Guaranteed With Reasonable Price.
                           3.OEM, ODM Are Welcomed.
                           4.Goods Will Be Delivered On Time.

                           5.Factory Selling Directly

ZN63A(VS1)-12 series of  indoor vacuum circuit breaker is used for indoor 12kv switchgear,it is suitable to control and protect transmission and distribution system such as electric network equipment and industrial&minning industry etc as their protection and control unit.
It can match with KYN28(GZS1),XGN and GG1-A series of switchgears.The products meet standards of GB1984-2003,this seriesof products include:VCB truck,isolation truck and fuse truck etc.
1.This series of VCB is used integrated design for operating mechanism and VCB body with reasonable,beautiful and compact arrangement.
2.This series of VCB adopted vertical insulation house against impact due to different weather,it can effectively prevent VIS against damage by exterior factors.
3.With two kinds of installation unit:fixed type and withdrawable type,it can meet different assembling requirements between switchgear and breaker.

Applying ambient conditions
1.Ambient temperature:-10ºC~+40ºC.
2.The height above sea level:≤1000m(besides the special requirements).
3.Relative humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.
4.Saturated vapour pressure:the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa.
5.Earthquake intensity:not exceed 8 degrees.
6.It should be installed in the places without fire,explosion,serious filth,chemical erosion and violent vibration.

Technical Parameters
Rated VoltagekV11/12
Rated CurrentA630~1250630~1250630~1250
Rated Short-circuit Breaking CurrentkA202531.5
Rated Short-circuit Making CurrentkA506380
Rated Peak Withstand CurrentkA506380
4s Rated Short-time Withstand CurrentkA202531.5
Rated Insulation Level1min Power Frequency Withstand Voltage (crest)kV65
Lightning Impulse Withstand Voltage (peak)kV125
Rated Operating Sequence O-0.3s-C O-180s-CO
Mechanical Lifetimes10000
Rated Short-circuit Current Breaking Timestimes50
Rated Closing Voltage of Operator (DC)V110, 220
Rated Opening Voltage of Operator (DC)V110, 220
Clearance Between Open Contactsmm11± 1
Over travel of Contactsmm3.5± 0.5
Three-phase Opening/Closing Synchronizationms≤ 2
Closing Bouncing Timems≤ 2
Average Opening Speedm/s0.9~0.12
Average Closing Speedm/s0.4~0.8
Opening TimeHighest Operating Voltages≤ 0.05
Lowest Operating Voltages≤ 0.08
Closing Times0.1
Main Loop Resistance of Each Phaseμ Ω6050
Total Thickness of Permissible Wear of Moving and Static Contactsmm3

Stong 12kv Vs1 (VBM7) Side-Install Hv Vacuum Circuit Breaker Switch
Structure Chart
Stong 12kv Vs1 (VBM7) Side-Install Hv Vacuum Circuit Breaker Switch

Stong 12kv Vs1 (VBM7) Side-Install Hv Vacuum Circuit Breaker Switch
Stong 12kv Vs1 (VBM7) Side-Install Hv Vacuum Circuit Breaker Switch

Packing and Shipping

Stong 12kv Vs1 (VBM7) Side-Install Hv Vacuum Circuit Breaker Switch

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