6ES7403-1TA01-0AA0 SIEMENS Exclusive SIMATIC S7-400 ER1 Extension Rack 18-Slot Original Brand New

Model / SKU6ES7403-1TA01-0AA0

SIEMENS SIMATIC S7-400 ER1 extension rack with 18 slots for signal modules and redundant power supply compatibility.

$1,756.61
Available on backorder
  • ConditionOriginal Brand New
  • Warranty12 months

Backorder available · Factory lead time 2–3 weeks.

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Description

6ES7403-1TA01-0AA0 SIEMENS Exclusive SIMATIC S7-400 ER1 Extension Rack 18-Slot Original Brand New

The SIEMENS 6ES7403-1TA01-0AA0 is a high-capacity extension rack (ER1) designed for the SIMATIC S7-400 automation system. Featuring 18 slots exclusively dedicated for signal modules, this extension rack is ideal for complex and scalable industrial automation systems that require flexibility and expansion. It also supports the installation of up to two redundant power supplies, ensuring continuous operation and minimizing downtime in critical environments.

Overview

As a vital structural component of the SIMATIC S7-400 and S7-400H series, the ER1 extension rack allows for seamless integration of modules and expansion units. It delivers stable module support, efficient power supply, and robust communication through the integrated backplane bus system. Engineered for demanding industrial applications, it forms the backbone of scalable control systems in various automation scenarios.

  • ER1 extension rack for SIMATIC S7-400/S7-400H with 18 dedicated slots for signal modules
  • Compatible with redundant power supply units for high system availability
  • Integrated mounting rail with threaded bolts for secure and precise module installation
  • Side cutouts designed for easy cabinet integration
  • Plastic guide components ensure correct alignment and positioning of modules
  • Backplane bus with plug-in connections provides reliable communication and power delivery
  • Suitable for central controllers and distributed expansion systems
  • Ideal for industrial environments requiring high-performance system extensions

Design

  • Robust mounting rail with threaded bolts ensures stable module installation
  • Guiding plastic elements facilitate accurate module placement
  • Protective conductor connection enhances operational safety standards
  • Plug-in backplane bus supports seamless module and system communication
  • Designed for scalability and optimized for large-scale automation systems

Download

Data Sheet (PDF)

Product Link: 6ES7403-1TA01-0AA0

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Specifications

SKU / Model6ES7403-1TA01-0AA0
Weight4.199 kg
Dimensions307 × 591 × 47 mm

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