3RA2712-1AA00

This module is installed on the 3RT2 series contactor that supports communication. It replaces the traditional control circuit wiring with AS-Interface bus, making it suitable for direct start applications that require centralized monitoring and quick wiring, and can reduce panel space and labor costs.

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Siemens SIRIUS 3RA2712-1AA00 AS-Interface Direct Start Function Module

Product Positioning

The 3RA2712-1AA00 is a functional module designed specifically for AS-Interface buses in the Siemens SIRIUS system. When installed on a 3RT2 series contactor that supports communication, it can form a direct starter with bus communication capability, simplifying the wiring and diagnostic work of the motor control circuit.

Core Product Advantages and Features

Bus start directly

The start command can be issued directly through the AS-Interface bus without the need to run additional control signal lines.

Modular installation design

It is secured to the top of the compatible 3RT2 contactor with clips and screw terminals, making installation and removal quite convenient.

Saves space for plate arrangement

Integrating the startup logic within the module reduces the number of terminal blocks and wiring complexity.

Applicable to standardized production lines

It facilitates unified maintenance and management in production lines where multiple motor starters share the same bus architecture.

project	Specification
Product Type	AS-Interface Functional Module (Direct Start)
Control power supply voltage	24 V DC
Communication Interface	AS-Interface Bus
Startup method	Direct Start
Compatible base contactor	3RT2 series (version with communication capabilities required)
Applicable contactor size	S00 / S0
Terminal type	Screw terminals
External dimensions	Approximately 45 x 37.1 x 88.9 mm
Ambient temperature range	-25°C to +60°C
Installation method	Directly clipped onto the top of the contactor
Product Series	SIRIUS 3RA27 Series

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