KYN61 Series 40.5kV High Voltage Switch Cabinet/Switchgear

Phase: Three phase; Standard: GB3906,GB/T11022; Certificate: ISO90001, Test Report; Keyword: High Quality High Voltage Switchgear Panel;

Description

No.	Description	Requirement
1	Ambient air temperature	-15℃ ~ +40℃
2	Average temperature (within 24h)	≤ +35℃
3	Altitude	≤1000m
4	Monthly average relative humidity	≤90%
5	Daily average relative humidity(within24h)	≤95%
6	Monthly average water vapor pressure	≤ 1.8 kPa
7	Daily average water vapor pressure(24h)	≤ 2.2 kPa
8	The ambient air is not clearly contaminated with dust, smoke, corrosive and/or combustible gases, vapors or salt mist.

No.	Items	Unit	Data
1	Rated voltage	kV	40.5
2	Rated frequency	Hz	50
3	Rated current	A	1250, 1600, 2000,2500
4	Rated power-frequency withstand voltage(inter-phase, to ground, isolation break)	kV	95/115
5	Lighting impulse withstand voltage (inter-phase, to ground, isolation break)	kV	185/215
6	Rated short-time withstand current	kA	25,31.5
7	Rated short-circuit sustained current	s	4
8	Rated peak withstand current	kA	63,80
9	Rated short-circuit breaking current	kA	25, 31.5
10	Rated short-circuit making current(peak value)	kA	63, 80
11	Auxiliary loop rated power-frequency withstand voltage	V	2000
12	Protection degree		IP4X/IP2X
13	External dimension(width * depth * height )	mm	1918×3260×2925