Phased-out — successor defined
The 3RA1933-2A is a phased-out product from the Siemens SIRIUS range. The preferred successor is the 3RA2933-2AA1, which should be the first cross-reference checked for a BOM update or replacement order.
Wiring kit for reversing starter S2
This wiring kit is designed specifically for the SIRIUS reversing starter in size S2. It provides both the electrical and mechanical wiring connections needed to assemble the reversing starter combination — a common configuration for two-direction motor control in conveyor, pump, and fan applications. The kit integrates with the S2 contactor and circuit-breaker frame sizes. It is a 3-pole assembly, matching the standard three-phase motor circuit.
Sourcing and compliance
The product carries a substance prohibition date of 07/01/2006, indicating RoHS compliance for the European market.