2.25 kA 1.5 kA DC breaker

The primary and most important function of our solid-state, ultra-fast 1.5 kV, 2.25 kA DC breaker for maritime applications is its ultra-fast interruption of faults, thereby preventing the dramatic consequences of short-circuit situations and power overload. Our ultra-fast liquid-cooled DC breakers are available in six sizes with a nominal voltage of 1.5 kV and nominal currents between 0.35 kA and 3 kA.


Weight154 kg
Dimensions507 × 507 × 1017 mm
Nominal voltage 1.5 kV
Nominal current 2.25 kA
di/dt capability (A/µs)up to 1250 A/us
Typical breaking current @1000V @10uH (kA)4.25 kA
Breaking time typical tBreak (µs)8 µs
Breaking time maximum tBreak (µs)10 µs
Clearance time typical tClearance (µs)11.4 µs
Marine type approvalDNV and CCS
Cooling typeLiquid cooling, air cooling available upon request
Suitable for DP3Yes
IP protectionIP 20, up to IP 54. According to customer requirement

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