Description
JN22B 40.5 type indoor high voltage earthing switch hereinafter referred to as earthing switch is a new product developed by the company. Its performance complies with the national standard GB1985 2004 "AC high
"Voltage Isolation and Grounding Switch" National Standard Applicable to three-phase rated voltage 40.5KV AC 50Hz power system Can be used in conjunction with KYN61 40.5 high-voltage switchgear and other types of high-voltage switchgear, as a grounding protection for high-voltage electrical equipment maintenance. JYN22B-40.5/31.5 type indoor high voltage grounding switch is an improvement on the above grounding switch. It has a compact structure and is easy to operate at a small angle. It is the same as the JN15-12 indoor high voltage grounding switch. and transmission parts.
Use environment
a. The altitude does not exceed 1000m;
b. Ambient air temperature: upper limit +4CTC, lower limit 25T;
c. The seismic intensity does not exceed 8 degrees;
d. Install in a place without fire, explosion hazard, severe dust, chemical corrosion and severe vibration.
Product model and meaning
Dimensions and installation drawings