6ES7403-1JA11-0AA0 SIEMENS Exclusive SIMATIC S7-400 ER2 Aluminum Extension Rack 9-Slot Original Brand New

6ES7403-1JA11-0AA0 SIEMENS Exclusive SIMATIC S7-400 ER2 Aluminum Extension Rack 9-Slot Original Brand New

The SIEMENS 6ES7403-1JA11-0AA0 is an advanced aluminum extension rack (ER2) designed for the SIMATIC S7-400 automation system. With 9 dedicated slots exclusively for signal modules, this ER2 rack provides robust expansion capability, making it a critical component in complex industrial automation setups. Its design also allows the installation of up to two redundant power supplies, ensuring maximum system uptime and operational reliability in critical environments.

Overview

As a structural core of the SIMATIC S7-400 and S7-400H series, this ER2 extension rack enables seamless expansion of automation systems. It ensures stable module housing, continuous power delivery, and efficient backplane communication. Built with high-grade aluminum, it offers enhanced durability and thermal management, suitable for demanding industrial applications.

• Aluminum ER2 extension rack for SIMATIC S7-400/S7-400H systems with 9 slots for signal modules
• Supports installation of redundant power supply units for high availability systems
• Integrated mounting rail with threaded bolts for secure module fixation
• Side cutouts for easy and precise rack mounting in control cabinets
• Plastic guide elements for accurate module alignment and safe installation
• Integrated backplane bus ensures reliable power distribution and communication
• Designed for both central controllers and expansion units
• Optimized for industrial environments requiring flexible system expansion

Design

• Mounting rail with threaded bolts guarantees secure module installation
• Plastic guide parts provide precision during module placement
• Protective conductor connection enhances operational safety
• Backplane bus with plug-in connections for seamless module integration
• Constructed from durable aluminum for added strength and heat dissipation

Product Link: 6ES7403-1JA11-0AA0

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