6ES7403-1TA11-0AA0 SIEMENS Exclusive SIMATIC S7-400 ER1 Aluminum Extension Rack 18-Slot Original Brand New

6ES7403-1TA11-0AA0 SIEMENS Exclusive SIMATIC S7-400 ER1 Aluminum Extension Rack 18-Slot Original Brand New

The SIEMENS 6ES7403-1TA11-0AA0 is a robust aluminum extension rack (ER1) for the SIMATIC S7-400 automation system. Designed with 18 slots dedicated to signal modules, it offers maximum flexibility for expanding complex automation setups. With the ability to integrate two redundant power supply units, this extension rack ensures high system availability in critical industrial applications.

Overview

As part of the SIMATIC S7-400 and S7-400H family, this aluminum ER1 rack is engineered for reliable operation in both central and distributed automation systems. It accommodates signal modules efficiently while maintaining a stable power and communication infrastructure via its integrated backplane bus. Its durable aluminum build enhances mechanical stability, making it suitable for demanding industrial environments.

• ER1 aluminum extension rack with 18 dedicated slots for signal modules
• Supports installation of two redundant power supply units for continuous operation
• Equipped with a mounting rail and threaded bolts for secure module installation
• Lateral cutouts for flexible cabinet integration
• Guided plastic parts for accurate and safe module positioning
• Integrated backplane bus with plug-in connections for seamless communication
• Engineered for use in central controllers or expansion systems within industrial automation
• Reliable performance for mission-critical automation processes

Design

• Durable aluminum frame with robust mounting rail
• Plastic guiding components ensure correct alignment of modules
• Protective conductor connection enhances electrical safety
• Backplane bus with plug-in connectors supports efficient module communication
• Designed for industrial scalability and long-term reliability

Product Link: 6ES7403-1TA11-0AA0

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