Circuit Breakers

for Feeder Protection

Feeder protection ensures the uninterrupted operation of feeders. In cause of electric faults, High Speed Circuit Breakers guarantee a fast response, avoiding their propagation to further parts of the electrical network.

Microelettrica provides a wide range of solutions to safeguard your feeders effectively, increasing power systems reliability.

IR4030 F 09M

Ue  900 V
Ith  3150 A
Isc  125 kA (180 kApk)

IR4030 F 18M

Ue  1800 V
Ith  3150 A
Isc  100 kA (148 kApk)

IR4030 F 36M

Ue  3600 V
Ith  3150 A
Isc  50 kA (71 kApk)
TECHNICAL SPECIFICATIONS
Ue  Rated Voltage
Ith  Thermal Current
Isc  Short Circuit Making and Breaking Capacity