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24kv-1600A Vs1 Circuit Breakers for Overcurrent Protection

Basic Info

Model No.:  VS1

Product Description

Model NO.: VS1 Operation: Manual & Electric Circuit Breaker Arc-extinguishing Medium: Vacuum Structure: Vcb Circuit Breaker Type: Circuit Breaker Certification: ISO9001-2000, Ohsas 180001 Rated Current: 1600A Circuit Breaker Rated Frequency: 50Hz Circuit Breaker Transport Package: Wooden Case Circuit Breaker Origin: Zhejiang Ningbo Circuit Breaker Breaking Capacity: Middle& High Voltage Circuit Breaker Speed: Normal Type Circuit Breaker Installation: Fixed & Withdrawable Circuit Breaker Poles Number: 3 Function: Overcurrent Protection Rated Voltage: 24kv Circuit Breaker Mechnical Life: 1000times Circuit Breaker Trademark: Mingde Circuit Breaker Specification: CE, ISO9001, OHSAS18001 HS Code: 8535210000 24kV-1600A Vs1  Circuit Breakers for Overcurrent Protection

Overview

1. VS1A series of vacuum circuit breakers are the Second Generation indoor switch equipment, with the rated voltage 7.2kv, 12kv, 17.5kv and 24kv.
2. VS1A series of vacuum circuit breakers adopt the integrated design of simple structure and convenient operation.
3. It is equipped with a perfect mechanical and electrical interlock to enhance its anti-incorrect operation performance.
4. Standards: IEC62271-100, IEC56, GB1984-2003, GB/T11022, DL/T403-2000, etc.

Main Specifications and Technical Parameters 
 
Item unit Data
Rated voltage kV 24
1 min power frequency withstand voltage kV 65
 
Lightning impulse withstand voltage kV 125
Rated frequency Hz 50
Rated current
 
A 1600
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 13±1
Average opening speed m/s 1.3±0.3
Average closing speed m/s 0.8±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
  External Dimension

24kv-1600A Vs1 Circuit Breakers for Overcurrent Protection

 VS1A-24kv-pole center distance 210mm 
No. Rated Voltage(kV) Rated current(A) Short-circuit breaking current(kA) h1(mm) h2(mm) h(mm) B(mm)
1 24 630 20-31.5 325 310 768 747
2 24 1250 20-31.5 325 310 768 747
3 24 1250 31.5-40 345 310 768 747
4 24 1600 20-40 345 310 768 747

24kv-1600A Vs1 Circuit Breakers for Overcurrent Protection
VS1A-24kv-pole center distance 275mm  
No. Rated Voltage(kV) Rated current(A) Short-circuit breaking current(kA) h1(mm) h2(mm) h(mm) B(mm)
1 24 630 20-31.5 325 310 768 747
2 24 1250 20-31.5 325 310 768 747
3 24 1600 20-31.5 345 310 768 747
4 24 1600-2500 20-31.5 345 310 813 737
 
  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. 24kv-1600A Vs1 Circuit Breakers for Overcurrent Protection

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