3RA21204BD260AP0
The Siemens SIRIUS 3RA2120-4BD26-0AP0 is an S0-size load feeder assembly that pre-assembles a motor starting protection circuit breaker and contactor into a direct starting unit. It has a short-circuit breaking capacity of up to 150kA, 1 NO + 1 NC auxiliary contacts, IP20 protection, and is suitable for DIN rail or busbar system installation. The control voltage is configured according to the model specifications.
Product Positioning
The 3RA2120-4BD26-0AP0 is a SIRIUS 3RA21 series S0 size load feeder assembly, which integrates a motor starting protection circuit breaker and a contactor into a pre-assembled direct starting unit. The part code differs from other 0BB4 models.
Core Product Advantages and Features
Pre-assembled integrated structure
The motor starting protection circuit breaker and contactor are pre-assembled before leaving the factory, simplifying the on-site wiring process.
150kA short-circuit breaking capacity
The short-circuit breaking capacity is up to 150kA, and it meets the requirements of both Type 1 and Type 2 protection.
S0 size series specifications
Belonging to the SIRIUS S0 size load feeder family, it is suitable for integrated applications of small and medium-sized motor circuits.
IP20 protection and service life
With an IP20 protection rating and a maximum mechanical operation life of 10 million cycles, it is suitable for long-term operation.