High Voltage Zw7-40.5 Vacuum Circuit Breaker

Product Details
Customization: Available
Breaking Capacity: High Voltage Circuit Breakers
Operation: Manual Type
Manufacturer/Factory, Trading Company
Diamond Member Since 2021

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Plant Area
101~500 square meters
Management System Certification
ISO 9001
  • High Voltage Zw7-40.5 Vacuum Circuit Breaker
  • High Voltage Zw7-40.5 Vacuum Circuit Breaker
  • High Voltage Zw7-40.5 Vacuum Circuit Breaker
  • High Voltage Zw7-40.5 Vacuum Circuit Breaker
  • High Voltage Zw7-40.5 Vacuum Circuit Breaker
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  • Overview
  • Product Description
  • Product Parameters
Overview

Basic Info.

Model NO.
ZW7-40.5
Arc-extinguishing Medium
Vacuum
Installation
Fixed
Structure
Zw7-40.5
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker
Certification
ISO9001-2000, IEC
Transport Package
Wooden Carton
Specification
LW8A-40.5 Voltage AC SF6 Circuit Breaker
Trademark
JECSANY
Origin
China
HS Code
8504220000
Production Capacity
50000PCS/Years

Product Description

ZW7-40.5 Vacuum Circuit Breaker

Product Description
 

General ZW7-40.5 Series outdoor high voltage vacuum circuit breaker is rated voltage 40.5kV, three phase AC 50Hz outdoor distribution equipment. Mainly used for breaking, closing power system load current, overload current and short-circuit current. Applicable to substations and power distribution in industrial and mining enterprises for protection and control purposes, and frequent operation place for rural power grids.

Outdoor Vacuum Circuit Breaker Service environment conditions

a) Ambient Air Temperature:  +45ºC ~ -45ºC
b) Humidity: Monthly average humidity 95%; Daily average humidity 90%.
c) Altitude above sea level (Maximum installation altitude): not more than 2500 meters.
d) Ambient air should be not apparently polluted by corrosive and flammable gas, vapor etc.
e) The wind speed is not greater than 35m/s.
f ) Anti-contamination level for grade IV
g) The earthquake intensity does not exceed 8 degrees.
 

Product Parameters
No. Item Unit Parameters
1 Rated voltage KV 40.5
2 Rated frequency Hz 50/60
3 Rated current A 630/1250
4 Rated short-circuit breaking current kA 31.5
5 Rated peak value withstand current(peak) kA 50/63
6 Rated short time withstand current kA 20/25
7 Rated short-circuit closing current (peak) kA 50/63
8 Mechanical life Times 10000
9 Rated short-circuit breaking current breaking number Times 30
10 Power frequency withstand voltages (1 min), wet/dry: inter-phase, earth, fracture  KV 80/95
11 Lightning impulse withstand voltage (peak) inter-phase ,earth, fracture KV 185
12 Rated operate sequence   O-0.3-CO-180S-CO
13 Secondary circuit 1min power frequency voltages KV 2


Overall dimension
High Voltage Zw7-40.5 Vacuum Circuit Breaker

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