High-Quality 7.2 Kv-1600A Fixed Type Vacuum Circuit Breaker

Rated Voltage: 7.2kv Circuit Breaker; Mechanical Life: 10000times Circuit Breaker; Trademark: Mingde Circuit Breaker; Specification: SGS, TUV;

Product Details Company Profile

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 Frequency: 50Hz Circuit Breaker
Rated Current: 1600A 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 & Withdrawalable Circuit Breaker
Poles Number: 3
Function: Overcurrent Protection
Rated Voltage: 7.2kv Circuit Breaker
Mechanical Life: 10000times Circuit Breaker
Trademark: Mingde Circuit Breaker
Specification: SGS, TUV
HS Code: 8535210000

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	7.2
1 min power frequency withstand voltage	kV	42
Lightning impulse withstand voltage	kV	75
Rated frequency	Hz	50
Rated current	A	1600
Rated short-time withstand current	kA	20,25,31.5,40
Rated peak withstand current	kA	50,63,80,100
Rated short-circuit breaking current	kA	20,25,31.5,40
Rated short-circuit closing current	kA	50,63,80,100
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