Shaanxi, China
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Vacuum Circuit Breaker, Circuit Breaker, Vacuum Switch manufacturer / supplier in China, offering Indoor High Voltage Vacuum Circuit Breaker (VIB1-12), Zw20-12kv Outdoor High Voltage Vacuum Circuit Breaker, Vib-24 Indoor Vacuum Circuit Breaker (common insulated cylinder) and so on.

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Supplier Homepage Products 12kv-Vacuum Circuit Breaker Indoor High Voltage Vacuum Circuit Breaker (VIB1-12)

Indoor High Voltage Vacuum Circuit Breaker (VIB1-12)

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Min. Order / Reference FOB Price
1 Set US $1,500-8,000/ Set
Port: Shanghai, China
Production Capacity: 16000sets/Year
Payment Terms: L/C, T/T
Breaking Capacity: High Voltage Circuit Breakers
Operation: Energy-storage Type
Speed: Normal Type Circuit Breaker
Arc-extinguishing Medium: Vacuum
Installation: Withdrawable
Structure: MCCB

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Basic Info

Model NO.: VIB1-12
Poles Number: 3
Type: Circuit Breaker
Function: Conventional Circuit Breaker
Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
Rated Voltage: 12kv
Installation Type: Fixed & Withdrawable
IEC: M2e2c2
Trademark: Longxiang Electric
Transport Package: Each One Is Wrapped with Plastic Film in Cartons.
Specification: IEC: M2-E2-C2
Origin: China Baoji
HS Code: 85389000

Product Description

Series of Indoor High Voltage Vacuum Circuit Breaker With Embedded Poles

General Description
In order to meet the market requirements for high quality VCB as well as their adaptation with its switchgear,our company develops this new generation of  VIB type indoor high voltage vacuum circuit breaker.It is three-phase AC,50Hz indoor power distribution equipment with the voltage of 12kV.It can be used for protecting and controling equipments in the fileds of power supply and distribution system such as substation and industrial and mining industry etc.
VIB series vacuum circuit breaker has taken into consideration of reliable interlock function which can be frequently operated at the rated current and with the capability of many times operations of breaking short-circuit current and fault current.This series of vacuum interruters.It can be used for fixed installation unit and also can be used for independent track by equipped with Chassis.

Product Standard
VIB type vacuum circuit breaker conforms to national standard GB1984-2003HV Vacuum circuit Breaker,DL/T403-2000 Order technical condition of 12kV~40.5kV Vacuum Circuit Breaker and some stipulation of IEC62271-100:2001HV AC Vacuum Circuit Breaker.

Technical characteristics
The vacuum interrupters of VIB type vacuum circuit breaker are used embedded poles by advance APG technology;the primary conducting part is capsulated into an integrated unit by using epoxy resin which makes the insulation condition of primary conducting parts against from impact by exterior enviroment,it can effectively prevent moisture,filths and the damage to the insulation property due to condensed water.
The vacuum interrupter is vertically installed in an insulation house which is made up og epoxy resin cast by advanced APG technology;this kind of structure can maximally reduce the dust accumulation on the surface of vacuum interrupters which ensure the high resitance state even if under the damp,hot and serious filthy enviroment.
The VIB type vacuum circuit breaker uses specialized vacuum interrupter with advanced material and design for their contact, it is with strong breaking capability and high reliability and performed the type test for its electrical life under the condition of autore-close at class E2 level(the breaking operations reaches 274 times for different shor-circuit currents)as per national standard,it is more accordance with the actural usage requirement and realized free of maintenance for its primary part.

Main Technical Specification
1Rated voltagekV       12
2Rated currentA    630        12501600 2000 2500 3150  
3Rated short circuit breaking currentkA2025202531.54031.540
4Rated peak withstand currentkA506350638010080100
5Rated short time withstand currentkA  2025202531.54031.540
6Rated short circuit making currentkA506350638010080100
7Switching operations of short circuit currentCycle5030
8Rated operating sequence
9Mechanical enduranceCycle30000
10Rated breaking operations of rated currentCycle20000
11Rated lighting impulse withstand voltagekV75
12Rated power frequency withstand voltagekV42
13Contact strokemm9±1
14Overtravel of contactsmm3.5±0.5
15Closing speedm/s0.4±0.8
16Main circuit resistance of each poleμΩ≤40≤45≤40≤35
17Opening speedm/s0.9~1.3
18Contact bouncing duration at closing operationms≤2
19Simultaneity of three phase closing and openingms≤2
20Closing timems35~70
21Opening timems20~50
22Distance between phasesmm150,210,275
23DC component
Indoor High Voltage Vacuum Circuit Breaker (VIB1-12)

Packaging detailsEach one is wrapped with plastic film in non-solid wooden case.                                                        
Delivery detailsWithin 15 days from the date of receiving signed sales confirmation by both parties.                                                                                                                                     
Indoor High Voltage Vacuum Circuit Breaker (VIB1-12)

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