JN17-12/40 (old type is JN15-12/40) series indoor high voltage earthing switch is a new design and improved product of us according to the ESI type, the structure is assembled, suitable with electric power system with 3-10KV, Three-phase,AC 501601Hz, support with various kinds of HV switchgear and earthing protection. It is complied with GB1985-2004 and IEC129 standard.
1. Ambient temperature：-10°C 一+40°C
2. Allitude：1000m Isensor heighi：...