Product Description
Allen-Bradley 1756-L73 ControlLogix 5573 Controller
The Allen-Bradley 1756-L73 is a highly advanced ControlLogix 5573 programmable automation controller (PAC) manufactured by Rockwell Automation. Designed for complex, high-performance industrial applications, this Series A controller features a convenient front-facing key switch for operational mode selection (Run, Remote, Program) and integrated status LEDs (Run, Force, SD) for quick system diagnostics. It includes a built-in USB port for easy programming and an SD card slot for non-volatile data storage and firmware backups. The 1756-L73 seamlessly mounts into a standard ControlLogix chassis via a backplane connector and meets stringent global safety and environmental certifications, including UL Listed Class I, Division 2 for hazardous locations.
Technical Specifications:
- Brand: Allen-Bradley / Rockwell Automation
- Model Number: 1756-L73
- Product Line: ControlLogix 5573
- Hardware Series: A
- Backplane Current Draw @ 5.1 VDC: 800 mA
- Backplane Current Draw @ 1.2 VDC: 5 mA
- Integrated Interfaces: 1 x USB Port (Programming), 1 x SD Card Slot (Storage)
- Mode Selection: Front Key Switch (Run, Rem, Prog)
- Hazardous Location Ratings: Class I, Div 2, Groups A, B, C, D; Ex nA IIC T4 Gc
- Certifications: UL Listed (E123991), CE, EAC, KC, FM, IECEx

Allen-Bradley 1756-L73 ControlLogix 5573 Controller
Optimize your industrial automation with the Allen-Bradley 1756-L73 ControlLogix 5573 Controller. This reliable, high-performance PAC features built-in USB programming, SD card storage capabilities, and Class I Div 2 hazardous location ratings, delivering seamless control and rapid processing for demanding manufacturing environments.





