The 3RA2933-2AA1 is the factory‑certified wiring kit for SIRIUS reversing starters in frame size S2. It turns the individual power and control connections into a tidy, pre‑engineered assembly that saves panel builders valuable time and reduces wiring errors.

What’s in the Kit

• Top wiring block: pre‑formed for screw terminals, handles the main power connections and short‑circuit coordination.
• Bottom wiring block: handles the load‑side wiring and mechanical interlock of the reversing contactors.

Key Benefits

• OEM‑matched fit: designed exclusively for SIRIUS S2 reversing starters – no cutting, no drilling, no guesswork.
• Electrical and mechanical: provides both the electrical links and the mechanical interlock connections.
• Push‑in compatibility: screw terminals ensure a consistent, vibration‑proof connection.

Technical Specifications

Compatibility

• Specifically designed for SIRIUS reversing starters in frame size S2.
• Works alongside contactors, overload relays and circuit breakers of the same size.