KYN28A high-voltage switchgear distribution cabinet

Features

High protection degree
Simple breaker replacement
Good handcart interchangeability
Less covered area
High security

Description

KYN28A-12 IP4X high voltage vacuum 10kV switchgear is a new type indoor product self-developed by introducing the technology of ABB and absorbing similar products advantages at home and abroad. The device is middle-set-type -structure, having much higher technique index.

Application

KYN28A-12 IP4X high voltage vacuum 10kV switchgear is applicable for 3.6kV ~ 12kV with three-phase AC 50Hz single bus or single bus sectional system. It is mainly used for substation and distribution system of power plants, substation, industrial and mining enterprises, building hotels, municipal construction and petrochemical sector as power receiving, power distribution and the circuit controlling, protection and monitoring.

Normal operating conditions

Ambient air temperature : -5°C ~ +40°C;
Daily average temperature(Within 24h): ≤+35℃
Altitude:≤1000m;
Relative humidity: within 24h, daily average value ≤ 95% , daily average vapor pressure≤ 2.2KPa; monthly average value ≤ 90%, monthly average vapor pressure≤ 1.8KPa
Ambient air is not significantly polluted by dust, smoke, corrosive and / or flammable gas, vapor or salt contamination.

Special operation conditions
If the switchgear will be used in conditions that exceed the normal environmental conditions, users should consult with the manufacturer.

Technical Parameter

Item(Unit)	Data
Rated Voltage(kV)	3.6~12
Rated Current(A)	≤4000
Rated Frequency(Hz)	50
Rated Short-time Power Frequency Withstand Voltage(kV)	42
Rated Lightning Impulse Withstand Voltage (kV)	75
Rated Peak Withstand Current(kA)	≤100
4S Rated Short-time Withstand Current(kA)	≤40
Standard	GB3906
Protect Degree	Out Shell IP4X, Cubicle and Door Open IP2X