Earth switch

JN22-40.5/31.5 indoor high voltage grounding switch

Product Description

Rated voltagekV35
Maximum voltagekV40.5
Rated short-time withstand currentkA31.5
Rated short-circuit durations4
Rated short-circuit making currentkA80
Rated peak withstand currentkA80
Phases center distancemm280,300,350,400
Rated insulation levelPF withstand voltage (1 min)kVPhase to earth95
Lightning impulse withstand voltagePhase to phase185

106JN22-40.5/31.5kv 3-pole Indoor High voltage disconnect switch


JN22-40.5/31.5 indoor AC high voltage disconnect switch is an advanced level product with high

tech parameters performance.After comprehensive evaluation,it conforms to GB1985 AC HV disconnect switch and earthing switch,applies to power system of 40.5kV and AC 50Hz.Can be used with KYN61-40.5 and other types high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul.

Ambient condition

Altitude: ≤1000m

Ambient temperature: -10°C~+40°C

Earthquake intensity: ≤8 degree