3RA1921-1AA00
The 3RA1921-1AA00 is an S0 specification AC operating connection module used to connect and fix the 3RV1.21 motor protection circuit breaker with the 3RT1.2 contactor. It is also compatible with the 3RW3 soft starter and is suitable for starting panels in AC control circuits.
Product Positioning
The 3RA1921-1AA00 is a SIRIUS series electrical connection module, available in an AC operating version, for assembling and connecting the 3RV1.21 circuit breaker and the 3RT1.2 contactor, and can also be used with the 3RW3 soft starter.
Core Product Advantages and Features
Electrical connection design
Connect the circuit breaker and contactor main circuit in series to simplify wiring.
AC Operation Version
The corresponding combination of AC coil contactor and soft starter.
Good compatibility
It is compatible with multiple products such as 3RV1.21, 3RT1.2 and 3RW3.
Recommend
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3RA1921-1BA00
The 3RA1921-1BA00 is an S0 specification 3-pole connection module that supports DC operation. It is used to combine the 3RV1.2 motor protection circuit breaker and the 3RT1.2 contactor into a single starter, suitable for DC control circuit applications.
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3RA1916-4BA31
After extensive investigation, no corresponding information for the 3RA19 prefix item 3RA1916-4BA31 was found in publicly available dealer directories or Siemens databases. The only known instance is the suffix 4BA31, which is commonly found in the 3RT19 series parallel connectors. Whether these two are related remains unconfirmed.
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3RA1913-2A
The 3RA1913-2A is a dedicated wiring kit for S00 specification forward and reverse starters. It also features a mechanical interlock function, assisting in the wiring and interlocking of the 3RT1 contactor group, thus shortening the assembly time of the small starter panel.