XGN17-40.5 distribution board switchgear main switchboard

Features

Large space in the cabinet
Complete schemes
Easy installation and commissioning
Good reliabilities and safety

Description

It is a new type indoor device self-developed after market researching and related power departments consulting. It is air insulation and metal separated structure, having good fail-safe unit; reliable chain procedures, safety maintenance. With the features of complete operation scheme, high reliabilities of normal power supply and equipments normal operation, convenient operation and management, less maintenance cost, this product is the first choice of fixed switchgear nowadays.

Application

It is applicable for powder distribution system of indoor sing bus, single bus with bypass, and double-bus with three-phase AC 50HZ, rated voltage of 40.5kv. It is widely used in power plants, substations, industrial and mining enterprises for power receiving and distribution, also for controlling, protecting and monitoring the circuit. It can be used for frequent operated occasions as well.

Normal operating conditions

Ambient air temperature : -5°C ~ +40°C;
Daily average temperature(Within 24h): ≤+35℃
Altitude:≤1000m;
Relative humidity: winthin 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)	40.5
Rated Current(A)	≤1600
Rated Frequency(Hz)	50
Rated Short-time Power Frequency Withstand Voltage(kV)	95
Rated Lightning Impulse Withstand Voltage(kV)	185
Rated Peak Withstand Current(kA)	≤80
4S Rated Short-time Withstand Current(kA)	≤31.5
Standard	GB3906
Protection Degree	IP20