
Gas-insulated switchgear for secondary distribution systems

3WL Air circuit breaker for system protection


1. Rated voltage: 24kV
2.Rated power-frequency withstand voltage 50Hz 1Min (kV r.m.s.):
– To earth and between phase: 50kV
– Across the isolating distance: 60 kV
3.Rated lightning impulse withstand voltage (peak value):
– To earth and between phase: 125kV
– Across the isolating distance: 145kV
4.Rated current: 630A
5.Short-time withstand current: 20kA/3s
6.Peak value: 50kA







Measuring Devices and Power Monitoring:

MCB


MCCB-3VT
MCCB-SENTRON 3VL

Monitoring Devices:

Lightning arresters: Overvoltage Protection Devices

