Gold Member Since 2015
Audited Supplier
Mingde Electrical (Shanghai) Co., Ltd.

Circuit Breaker, Vacuum Circuit Breaker, Breaker manufacturer / supplier in China, offering 12kv -1600A Vmv High Quality Vcb in Switchgear, Vmd 40.5 Kv -1250A Handcart Vacuum Breaker Embedded Pole Types, Pole Mounted 17.5kv-1250A 50Hz Vs1 Vacuum Circuit Breaker and so on.

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Supplier Homepage Product Circuit Breaker 12kv -1600A Vmv High Quality Vcb in Switchgear

12kv -1600A Vmv High Quality Vcb in Switchgear

Purchase Qty.:
(Pieces)
1-99 100+
FOB Unit Price: US $1,880 US $1,140
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $1,880
100+ US $1,140
Get Latest Price
Production Capacity: 22000piece/Per Year Circuit Breaker
Transport Package: Plywood Circuit Breaker
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: VMV
  • Operation: Manual and Electrical Type Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Structure: Vcb Circuit Breaker
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE
  • Rated Voltage: 12kv Circuit Breaker
  • Lightning Impluse Withstand Voltage: 75kv Circuit Breaker
  • Specification: SGS, Tuv
  • HS Code: 8535210000
  • Breaking Capacity: High and Medium Voltage Circuit Breaker
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed and Handcart Type Circuit Breaker
  • Poles Number: 3
  • Function: Overcurrent Protection
  • Rated Current: 1600A Circuit Breaker
  • Rated Withstand Curent: 50/63/80ka Circuit Breaker
  • Trademark: Mingde Circuit Breaker
  • Origin: Cixi, Ningbo, Zhejiang Circuit Breaker
Product Description
12kv -1600A Vmv High  Quality VCB in Switchgear

Overview

1. A brand new series of products, wider use in different fields and environment
2. Mechanical life up to 60,000 times
3. Expandable to smart circuit breaker

 
Operation Mechanism


VMV Modularized Operation Mechanism (with smart unit)
Modularized design of the operation mechanism is the highlights of VMV circuit breaker. With opening module and closing module in one part, the independent operation mechanism makes the standardized production and maintenance much easier.

 
Gear Driving System

We improved VMV circuit breakers' driving system, using the gear driving system instead of the traditional chain wheel driving system. The circuit breaker operation will run more smoothly with a longer mechanical life.

Opening Oil Buffer

The application of high-performance oil buffer can greatly reduce moving contact's over-swing and rebound during the circuit breakers' opening process. In this way, it avoids the reduction of mechanical life when vacuum interrupter is over-fatigue, resulted from contact's over-swing.

 

External Dimensions


12kv -1600A Vmv High Quality Vcb in Switchgear

 
VMV 12----pole center distance 150mm
 
No.Rated Voltage(kV)Rated current(A)Short-circuit breaking current(kA)h1(mm)h2(mm)h(mm)A(mm)B(mm)
1  12630-125020-31.5260205622438609
2  12630-125020-31.5280275637432598
 

12kv -1600A Vmv High Quality Vcb in Switchgear
 
VMV 12----pole center distance 210mm
 
No.Rated Voltage(kV)Rated current(A)Short-circuit
 breaking current(kA)
h1(mm)h2(mm)h(mm)A(mm)B(mm)
1 12630-125020-31.5260205622438609
2 12630-160020-31.5280275637432598
3 121250-160040295310697432598
4 12200031.5-40295310697432598
 
 

12kv -1600A Vmv High Quality Vcb in Switchgear
VMV 12- pole center distance 275mm
 
No.Rated Voltage(kV)Rated current(A)Short-circuit breaking 
current(kA)
h1(mm)h2(mm)H(mm)A(mm)B(mm)
112630-125020-31.5280275637432598
2121250-160040295310697432598
3121600-250025-40295310697432586
4123150-400031.5-40295310697432586
5123150-400031.5-40295310733432586

 Main Specifications and Parameters
 

Item

unit

Data

Rated voltage

kV

12

1 min power frequency withstand voltage

kV

42

 

Lightning impulse withstand voltage

kV

75

Rated frequency

Hz

50

Rated current

A

1250

Rated short-time withstand current

kA

 20,25,31.5

Rated peak withstand current

kA

50,63,80

Rated short-circuit breaking current

kA

20,25,31.5

Rated short-circuit closing current

kA

50,63,80

Rated short-circuit duration

S

4

Contact over-travel 

mm

3.5±0.5

Clearance between open contacts

mm

9±1/11±1

Average opening speed

m/s

1.1±0.2

Average closing speed

m/s

0.6±0.2

Opening time 

ms

35-60

Closing time

ms

20-45

Rated operation sequence

 

O-0.3s-CO-180s-CO(<40kA)/

O-180s-CO-180s-CO(40kA)

Mechanical life

cycles

10000,30000,60000

 
Packaging, transportation and storage precautions

(1) Circuit breaker should be in the state of opening and energy storage spring in a state without energy storage when packing. It should be in the state of opening and energy storage spring in a state without energy storage when packing. And it should be fixed on the bottom of the wooden case, should have waterproof measures and complete package labels.
(2) Circuit breakers can't invert and avoid strong vibration, rain, surface damage, and components lost when transportation.
(3) When loading the circuit breaker, we suggest the following tools: crane, forklift and driving. When lifting the circuit breaker, we should not hook on the body or pole of the circuit breaker, but on the lifting hole which has the lifting mark.
(4) When circuit breaker has a long-term storage, it should be in a state of opening and energy storage spring in a state without energy storage and placed in dry ventilated indoor preventing from moisture, vibration control and harmful gas erosion, and regularly checked whether environment meets the requirements.
(5)When first use products after long-term storage, it need to have a power frequency withstand voltage insulation testing.

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