Allen-Bradley 1746-A7 7-slot chassis for SLC 500 PLC. Panel mount, 5V/10A & 24V/2.88A backplane, supports CPU/I/O, used/refurbished, tested, 12-month warranty.

Product Details 

Allen-Bradley 1746-A7 SLC 500 7-Slot Modular Chassis

1746-A7 is a standard 7-slot modular chassis (rack) for Allen-Bradley SLC 500 PLC systems, providing mechanical mounting, backplane power distribution, and communication for processor, I/O, and communication modules.

• 7 slots for SLC 500 modules (CPU, digital/analog I/O, comms)
• Panel-mount design with 4 mounting tabs
• High-current backplane: 5.1V DC @ 10A & 24V DC @ 2.88A
• Supports 1 local + up to 2 expansion chassis (cables: 1746-C7, 1746-C9)
• Rugged metal construction, convection cooling

• Discontinued by manufacturer (new/refurbished only)

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• Brand: Allen-Bradley (Rockwell)
• Part No.: 1746-A7
• Slots: 7
• Backplane current: 5.1V DC @ 10A; 24V DC @ 2.88A
• Mounting: Panel mount (4 tabs)
• Dimensions: 28.2 × 17.1 × 14.5 cm (11.3 × 6.8 × 5.8 in)
• Weight: ~1.1 kg (2.4 lbs)
• Operating temp: 0°C ~ +60°C
• Storage temp: -40°C ~ +85°C
• Humidity: 5–95% (non-condensing)
• Certifications: UL, CE, CSA
• Condition: Used / Refurbished – Fully tested

• Warranty: 12 months

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• Small-to-medium SLC 500 control systems
• Factory automation & machine control
• Legacy system maintenance & rebuilds
• Packaging, material handling, process control

• Multi-axis I/O configurations

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• 100% tested for backplane power & signal integrity
• 12-month warranty
• Global shipping (DHL/FedEx/UPS)
• Compatibility support for SLC 500 modules
• Bulk pricing available