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Siemens CFD63B225 Miniature Circuit Breaker (MCB)

Siemens CFD63B225 Miniature Circuit Breaker

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ManufacturerSiemens
Part numberCFD63B225
Rated current 225A
Tripping curve B
Breaking capacity 6kA
Poles 3
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12-month warranty
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Veteran-owned
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225A rated current B-curve tripping 6kA breaking capacity 3-pole design DIN rail mounting Reliable overload protection

The Siemens CFD63B225 is a high-capacity Miniature Circuit Breaker (MCB) providing essential protection for demanding electrical applications. It features a B-curve tripping characteristic, suitable for circuits with predictable inrush currents. Rated at 225A with a 6kA breaking capacity, this 3-pole breaker ensures robust safety against overloads and short circuits.

This MCB is ideal for main distribution panels, large machinery, and heavy-duty industrial circuits where significant current handling is required. The B-curve selection is appropriate for applications like lighting, resistive heating, and certain motor controls that have moderate starting currents.

Stanlo Automation, a veteran-owned provider of surplus industrial automation and electrical components, offers the Siemens CFD63B225. We are committed to supplying quality products and reliable service, ensuring your critical systems remain protected and functional.

Rated current225A
Tripping curveB
Breaking capacity6kA
Poles3
Voltage230/400V AC
MountingDIN rail
TypeMCB
Series3RV2
Industrial Main Distribution
Heavy Duty Machinery
Commercial Power Panels
HVAC Systems
Large Motor Circuits
General Power Protection
Standard DIN rail mounting 230/400V AC electrical systems
Siemens 225A 3P MCB CFD63B225 breaker Siemens B-curve 225A 3RV2325-4AA10 (equivalent)
This breaker is suitable as a replacement for or is equivalent to other Siemens 3-pole B-curve miniature circuit breakers. It is designed for standard DIN rail installations.
Expert tip
When installing this 225A breaker, ensure the main feed conductors are adequately sized and properly terminated to prevent overheating and ensure the breaker's rated performance.
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What are the voltage and breaking capacity of the Siemens CFD63B225 MCB?
The Siemens CFD63B225 Miniature Circuit Breaker operates at 230/400V AC and has a breaking capacity of 6kA. It is a 3-pole breaker with a 225A rated current and a B-curve tripping characteristic.