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Circuit Breakers

With its experience in Circuit Breakers dating back to the 1930s, Microelettrica commitment to excellence and innovation continues to provide reliable industry-leading solutions for Feeder, Loads and Motor protection, safeguarding electrical circuits and equipment, and preventing costly downtime to ensure dependable, safe power worldwide.

Explore Circuit Breaker Applications

All Circuit Breaker Series

IR 4060 FC 09M

Ue  900 V
Ith  6000 A
Isc  125 kA (180 kApk)

IR 4060 FC 18M

Ue  1800 V
Ith  6000 A
Isc  100 kA (148 kApk)

IR3015 F 09H

Ue  900 V
Ith  1500 A
Isc  70 kA (100 kApk)

IR3015 F 09L

Ue  900 V
Ith  1500 A
Isc  30 kA (42 kApk)

IR3015 F 09M

Ue  900 V
Ith  1500 A
Isc  50 kA (70 kApk)

IR3015 F 18H

Ue  1800 V
Ith  1500 A
Isc  50 kA (71 kApk)

IR3015 F 18M

Ue  1800 V
Ith  1500 A
Isc  30 kA (42 kApk)

IR3030 F 09H

Ue  900 V
Ith  3000 A
Isc  70 kA (100 kApk)

IR3030 F 09L

Ue  900 V
Ith  3000 A
Isc  30 kA (42 kApk)

IR3030 F 09M

Ue  900 V
Ith  3000 A
Isc  50 kA (70 kApk)

IR3030 F 18H

Ue  1800 V
Ith  3000 A
Isc  50 kA (71 kApk)

IR3030 F 18M

Ue  1800 V
Ith  3000 A
Isc  30 kA (42 kApk)

IR4045 F 09M

Ue  900 V
Ith  4500 A
Isc  125 kA (180 kApk)

IR4045 F 18M

Ue  1800 V
Ith  4500 A
Isc  100 kA (148 kApk)

IR4045 F 36M

Ue  3600 V
Ith  4500 A
Isc  50 kA (71 kApk)
TECHNICAL SPECIFICATIONS
Ue  Rated Voltage
Ith  Thermal Current
Isc  Short Circuit Making and Breaking Capacity

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Rated Voltage (Ue)
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Short Circuit Making and Breaking Capacity (Isc)
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TECHNICAL SPECIFICATIONS
Ue  Rated Voltage
Ith  Thermal Current
Isc  Short Circuit Making and Breaking Capacity