3RA2933-2AA1

The 3RA2933-2AA1 is a Siemens SIRIUS modular system accessory, a wiring kit specifically designed for forward and reverse (reversible) starting of S2 size contactors. It uses screw terminal wiring to help combine two S2 contactors into a complete forward and reverse control circuit, while completing electrical connection and mechanical fixation, facilitating quick panel assembly and maintenance.

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Siemens 3RA2933-2AA1 Reverse Wiring Kit with S2 Screw Terminals

Product Positioning

The 3RA2933-2AA1 kit is designed specifically for Siemens SIRIUS S2 size contactors and is used to assemble forward and reverse (reversible) motor starting circuits, completing the electrical and mechanical connections in one step with screw terminals. This kit eliminates the hassle of fabricating wiring yourself, making the assembly of the forward and reverse control panel faster and neater.

Core Product Advantages and Features

Integration of forward and reverse loops

Combining two S2 contactors into a forward/reverse control combination is suitable for motor applications requiring bidirectional operation.

Electromechanical integration

Simultaneously complete electrical wiring and mechanism fixation, eliminating the need for additional manual wiring steps.

Screw terminal design

The terminals are securely locked, making them suitable for industrial power distribution environments that operate for extended periods.

S2 specification corresponds to

Designed specifically for Siemens SIRIUS S2 size contactors, ensuring high assembly precision.

Authorized distributor warranty

Kenxin Motors is an authorized distributor of Siemens motors, providing genuine products and after-sales support.

project	Specification
Product Name	Reversible wiring kit (electrical and mechanical)
Applicable contactor size	S2 (combination of two contactors)
Startup method	Forward and reverse (reversible) control
Terminal type	Screw terminals
Packaging size	55 × 148 × 95 mm
net weight	Approximately 0.159 kg
country of origin	Germany
series	Siemens SIRIUS 3RA29 series

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