Siemens 3RA2712-1AA00 SIRIUS AS-i Direct Starter Function Module for 3RT2 Contactor Original Brand New

Overview: Siemens 3RA2712-1AA00 AS-i Function Module

The Siemens 3RA2712-1AA00 is a crucial SIRIUS function module designed to integrate a direct motor starter into the AS-Interface (AS-i) bus system. This module is engineered for a direct start function and features robust screw terminals for reliable wiring. It is part of the SIRIUS modular system and provides a compact, front-side snap-on solution for communication-capable contactors, specifically the Siemens 3RT20…-…..-0CC0 series. It significantly reduces wiring complexity for motor control within decentralized AS-i networks.

Technical Benefits & Features

• AS-Interface Integration: Enables direct motor starter control and diagnostics via the AS-i bus, simplifying plant wiring and reducing installation time.
• Direct Start Function: Provides straightforward direct-on-line (DOL) motor starting capability.
• Seamless Installation: Designed to be snapped on at the front of the compatible SIRIUS 3RT2 communication-capable contactor, ensuring fast, error-free assembly without external adapters.
• Robust Connection: Equipped with reliable screw terminals for secure and durable connection of auxiliary and control circuits.
• Compact Design: The front mounting minimizes panel depth requirements, saving valuable space in control cabinets.
• Compatibility: Specifically engineered for use with the Siemens 3RT20…-…..-0CC0 series of contactors (typically size S00 or S0).
• System: Part of the widely used Siemens SIRIUS industrial control and protection family

Function

The 3RA2712-1AA00 acts as an AS-i slave device that interfaces directly with the coil and auxiliary contacts of the host 3RT2 contactor. It receives the Start command from the AS-i Master and executes the contactor’s switching function (direct start). It also typically provides feedback/diagnostic status (e.g., ‘ON/OFF’ state) back to the master controller over the AS-i network, enhancing system transparency and enabling predictive maintenance.

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