24kv-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers

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: 2000A Circuit Breaker Rated Frequency: 50Hz Circuit Breaker Specification: CE, ISO9001, OHSAS18001 HS Code: 8535210000 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 Origin: Zhejiang Ningbo Circuit Breaker 24kV-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers

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	2000
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

Normal Operating Environment Condition
a) Normal operating environment condition
Highest temperature:                  +40ºC
Lowest temperature:                   -15ºC
b) Environment humidity
Daily mean relative humidity:        ≤95%
Monthly mean relative humidity:     ≤90%
Daily mean saturated vapor pressure:   ≤2.2×10-3 MPa
Monthly mean saturated vapor pressure:  ≤1.8×10-3 MPa
c) Altitude: below 1000m area;
d) Earthquake intensity: no more than 8 degree;
e) The product shall be away from weep, fire and explosion, chemical corrosion and strenuous vibration 
place.

Special Operating Condition

Please consult with manufacturer on manufacturing technology when operating environment is the climatic environment with high altitude, high humidity and great temperature change or Other special environment condition.
Packing & Delivery
 

Packing details	Standard export package (wooden case) suitable for long-distance ocean transportation and though handling
Delivery details	Depends on ordered quantity

      Production Show



Certification 

Contact us if you need more details on Circuit Breaker. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Breaker、Vacuum Circuit Breaker. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Circuit Breaker