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Allen-Bradley 1771-A2B PLC-5 8-Slot I/O Chassis, Back-Panel Mount, Open-Style Enclosure

SKU: NO101104
Model: 1771-A2B
Product Condition: New - Open Box
$399.00

Allen-Bradley 1771-A2B PLC-5 8-slot I/O chassis provides a stable backplane platform for 1771 modules, supporting modular control system expansion with secure back-panel mounting.

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One year warranty
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Allen Bradley Programmable Logic Controllers (PLCs) Automation
Product Description

Allen-Bradley 1771-A2B PLC-5 8-Slot Backplane Chassis

The Allen-Bradley 1771-A2B Series B chassis is designed to support PLC-5 control systems by housing up to eight 1771 series I/O, adapter, or processor modules. It provides mechanical stability and a shared backplane for module-to-module communication.

1771 Modular Backplane Architecture

  • Eight dedicated slots for 1771 I/O and system modules
  • Integrated backplane supporting up to 16 A at 5 VDC
  • Universal slot layout for flexible system configuration

Industrial Open-Style Chassis Design

The open-style enclosure is intended for installation inside an industrial control cabinet. Back-panel mounting ensures secure placement and proper airflow when installed according to PLC-5 system guidelines.

Typical Deployment Scenarios

  • PLC-5 based manufacturing automation systems
  • Distributed I/O panels using 1771 adapters
  • Legacy Allen-Bradley control system expansions
Specifications
Specifications
MPN 1771-A2B
Product Condition New - Open Box
Shipping Length (in.) 16
Shipping Width (In.) 16
Shipping Height (In.) 16
Item Returns This item can be returned
Brand Allen-Bradley
Manufacturer Rockwell Automation
Catalog Number 1771-A2B
Series Series B
Product Line PLC-5 / 1771 I/O System
Product Type Programmable Logic Controller I/O Chassis
Module Slot Capacity 8 Slots
Supported Module Family Allen-Bradley 1771 Series I/O, Adapter, and Processor Modules
Backplane Voltage 5 VDC
Maximum Backplane Current 16 Amperes
Power Supply Compatibility Allen-Bradley 1771 Series Power Supplies (e.g., 1771-PA)
Mounting Method Back-Panel Mount
Installation Orientation Vertical, inside industrial control enclosure
Enclosure Type Open Style
Operating Shock Rating 15 g
Non-Operating Shock Rating 30 g
Vibration Resistance 2 g (10–500 Hz)
Operating Environment Industrial Control Cabinet
Maximum Installation Altitude 2000 meters (without derating)
Pollution Degree Pollution Degree 2
Overvoltage Category Category II
Overall Dimensions (H × W × D) 12.4 × 14.0 × 7.6 in
Weight 10.3 lb
Installation Location Stand-Alone
What's in the box?
  • 1 x Allen-Bradley 1771-A2B 8-Slot I/O Chassis
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