JW High-voltage Earthing Switch
JW High-voltage Earthing Switch is a safety device used to securely ground de-energized high-voltage equipment. It ensures a reliable earth connection to protect maintenance personnel from hazardous voltages.
Installed alongside circuit breakers and disconnectors, it discharges residual energy and prevents accidental re-energization, delivering crucial operational safety in substations and power systems.
JW-126~252 High-voltage Earthing Switch
Application : in 126-252kV power systems for HV busbars. ,
Standards : IEC 62271-102 ,
Parameters : Rated voltage:126kV, 145kV, 252kV.
Rated short time withstand current, 3s: 40kA, 50kA.
Rated lighting impulse withstand voltage: 550kV,1050kV. ,
Features : Compact structure, stable performance, reliable contact.
The base is hot-dip galvanized and has good anticorrosive property.
Simple installation and easy adjustment. ,