6ES7401-1DA01-0AA0 SIEMENS Exclusive SIMATIC S7-400 CR3 Central 4-Slot Rack Original Brand New
The SIEMENS 6ES7401-1DA01-0AA0 is a compact CR3 rack designed for the SIMATIC S7-400 automation system. Featuring a central 4-slot configuration, this rack is engineered for applications that require reliable module installation and secure backplane connectivity in industrial automation environments. Built with high-quality materials, the CR3 rack provides mechanical stability and seamless integration within the SIMATIC system architecture.
Overview
As the mechanical foundation of the SIMATIC S7-400 and S7-400H systems, the CR3 rack accommodates essential automation modules, ensures reliable operating voltage supply, and connects all modules through a backplane bus system. With its compact 4-slot layout, it is ideal for central controller applications where space-saving is critical, yet high performance is required.
- Central CR3 rack with 4-slot configuration for SIMATIC S7-400/S7-400H
- Supports installation of automation modules with integrated mounting rail
- Threaded bolts provided for secure and stable module fixation
- Plastic guides ensure precise alignment and safe insertion of modules
- Integrated backplane bus with reliable plug-in connections for seamless module communication
- Provision for protective conductor connection to enhance operational safety
- Compact design suitable for central controller applications
- Robust construction for industrial-grade environments
Design
- Mounting rail equipped with pre-installed threaded bolts for secure module attachment
- Side cutouts designed for efficient rack mounting in control panels
- Plastic components serve as accurate guiding elements for module insertion
- Integrated backplane bus system ensures dependable power and signal transmission between modules
- Designed for safe protective conductor connection
- Optimized for space-constrained installations without compromising system performance
Product Link: 6ES7401-1DA01-0AA0













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