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24kv 1250A High Voltage Circuit Breaker VS1-24 Handcart Circuit Breaker

24kv 1250A High Voltage Circuit Breaker VS1-24 Handcart Circuit Breaker

    Packaging: cotton
    Brand: TRANCHART
    Transportation: Ocean,Land
    Place of Origin: Changzhou
    Port: Shanghai,Ningbo

Product Description

24kv 1250A High Voltage Circuit Breaker VS1-24 Handcart Circuit Breaker

RATED VOLTAGE: 24KV RATED CURRENT: 630 A,1250A,1600A,2000A,2500A
TYPE: Fixed Type / Handcart Type RATED FREQUENCY: 50Hz
POLES NUMBER: 3 FUNCTION: Conventional Circuit Breaker

VS1-24indoor HV Vacuum Circuit Breaker is used in three-phase AC electric system of 50HZ,24kV. It is used as control and protection department in the mining company ,power factory and substation. Because of its special advantages, it is also suitable for the site which frequently operation under rated current or multiple breaking short-circuit current.

The circuit breaker is identified by some national standards and international relative standards, such as GB1984,GB/T11022,DL/T403 and IEC62271, etc. It has reliable lockage, used as truck department or fixed installation department.

Service condition

Normal condition

Ambient temperature +40℃~-25℃
Ambient humidity Daily average relative humidity ≤95%
Daily average stream pressure ≤2.2ⅹ10-3MPa
Monthly average relative humidity ≤90%
Monthly average stream pressure ≤1.8ⅹ10-3Mpa
Elevation ≤1000m(If it is 12kV, ≤4000m)
Degree of earthquake <8
The site has no water,no fire goods and explosion goods,no chemical goods and serious quake

Special condition
If user has some special requirement, please negotiated by manufacture and user.

The main parameter of 24KV circuit breaker

Technical Parameters

No. Item Unit Parameters
1 Rated Voltage kV 12
2 Rated Short-time (1min) Power Frequency Withstand Voltage 42/48 (Open gap)
3 Rated Lightning Impulse Withstand Voltage (Peak) 75/85 (Open gap)
4 Rated Frequency Hz 50
5 Rated Current A 630 630 1250 1250 1600 3150
1250 1600 2000 2000 2500 4000
2500 3150 3150
6 Rated Short-circuit Breaking Current kA 20/25 31.5 40 50
7 Rated Short-time Withstand Current 20/25 31.5 40 50
8 Rated Short-circuit Duration S 4
9 Rated Peak Withstand Current kA 50/63 80 100 125
10 Rated Short-circuit Making Current 50/63 80 100 125
11 Secondary Circuit Power Frequency Withstand Current (1min) V 2000
12 Rated Single/ Back to Back Capacitor Bank Breaking Current A 630/400 (40kA is 800/400)
13 Rated Capacitor Bank Making Flashy Flow kA 12.5 (Frequency Not More Than 1000Hz)
14 Opening Time(Rated Voltage) ms 2050
15 Closing Time (Rated Voltage) 3570
16 Mechanical Life 20000 10000
18 Rated Short-circuit Current Breaking Times Times 50 30 20
19 Center Distance Between Phases mm 150, 210, 275

Name Unit Data
Distance of contact terminal mm 12±1
Over-travel 4±1
Three-phase opening & closing asynchronous ms ≤2
Tripping time of closing contact terminal ms ≤2
Closing & opening time Opening ms ≤50
Closing ≤70
Average opening speed(after opening 6mm) m/s 1.4±0.3
Average closing speed(after closing 6mm) 0.8±0.2
Rated peak value withstand current (kA) 50/63 80
Breaking times of rated short circuit(times) 30
Mechanical duration (times0 20000
Weight (kg) Fixed type ≤250
Truck type ≤350

TRANCHART Electrical and Machinery Co.,LTD

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TRANCHART Electrical and Machinery Co.,LTD was established in 2015. which is the domestic production and operation entity of the American company EXCELLENT PROSPECT INC in China.Company relying on the domestic mature and reliable electrical equipment production and technology, is committed to building electrical equipment manufacturing industry chain integration, facing the global small and medium-sized power market (35KV and below) to provide project consulting, design, electrical equipment, system integration and value-added services, is a professional engaged in power transmission and distribution project system integration of private foreign trade enterprises.

TRANCHART is committed to opening up a huge market in Southeast Asia, the Middle East, Africa and Other countries with relatively shortage electrical facilities.The company'S business mainly includes two parts:

1.According to the customer needs, to provide the power transmission and transformation project consultation, scheme design, complete sets of equipment and accessories provision, as well as power efficiency management and power safety system solutions.

2.Development, design and construction of solar photovoltaic power station. Is a professional photovoltaic power station system integrator and developer.



We have a professional technical team which can provide you with full design solution and technical support.

We provide the relevant equipment according to the design solution. Including switchgear, ring main unit, Transformer, load break switch, Vacuum Circuit Breaker, substation, CT and PT etc. Our product has passed ISO9001 and CE certificate.

1. Well-trained & experienced staff are to answer all your inquiries in English.

2. Customized solution & perfect after-sale service.

3. Payment: we can accept T/T, L/C.

4. For large order, engineer can be sent to your country for on-site mainternace instructions.

Company Info

  • Company Name: TRANCHART Electrical and Machinery Co.,LTD
  • Representative: Simon Tang
  • Product/Service: Transformer Equipment , Switchgear Systems , Photovoltaic Energy Storage System , Wires Cables , Photovoltaic Power Generation Equipment , Power Equipment System Integration
  • Capital (Million US $): 1000000RMB
  • Year Established: 2015
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 71% - 80%
  • Total Annual Purchase Volume (Million US $): US$2.5 Million - US$5 Million
  • No. of Production Lines: 4
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 31 -40 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: No. 19, Huayang South Road, Tianning District, Changzhou City, Jiangsu Province
  • Contact Person: Mr. simon.tang
  • Tel: 86-519-85131880
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