Page 62 - YINGMING POWER(HIGH VOLTAGE)
P. 62
YINGMING POWER
JN22B-40.5/31.5
INDOOR HIGH VOLTAGE
GROUNDING SWITCH
Overview
JN22B-40.5 / 31.5 indoor high-voltage grounding switch (hereinafter referred to as grounding switch) is an advanced level product with high technical
parameter performance improved by our company on the basis of JN15. After a comprehensive assessment, its performance conforms to the provisions
of the national standard GB1985 "AC high-voltage isolating switch and grounding switch", is suitable for 40.5Kv, AC 50Hz power system, can be used
with KYN □ -40.5 and other models of high-voltage switch cabinets, It can also be used for grounding protection during the maintenance of high-
voltage electrical equipment.
Model and meaning
J N 22B - 40.5 / 31.5 - □
Interphase distance
Rated short-time withstand current (kA)
Rated voltage (kV)
Design Number
indoor
Earthing switch
Conditions of Use
The altitude does not exceed 1000 meters;
The upper limit of ambient air temperature is + 40 ℃ ; the lower limit is -10 ℃ ;
The earthquake intensity does not exceed 8 degrees;
Installed in places without flood, explosion hazard, severe dust, chemical corrosion and severe vibration.
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