Contact us to request a specific version.
1775-A1 Allen-Bradley
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The Allen-Bradley 1775-A1 is the primary processor chassis for the PLC-3 family of programmable controllers. It houses up to six PLC-3 modules, distributing +5 V, ±15 V power and providing the backplane infrastructure for communication and power. In a control system, it forms the mechanical and electrical core, supporting processors, memory, I/O scanners, power supplies, and interface modules. Applications include machine control, process monitoring, and industrial automation where modular PLC-3 architecture is employed. Part number 1775-A1.
Best Suited For
- PLC-3 modular controller installation
- Retrofit or replacement in legacy PLC-3 systems
- Houses multiple modules including power supply, processor, I/O scanner
- Use in industrial environments requiring slot-based expansion