0.0
0 Reviews

In stock

One year warranty

Allen-Bradley 1771-A3B1 PLC-5 12-Slot I/O Chassis, Panel-Mount Backplane

SKU: NO101007
Model: 1771-A3B1
Product Condition: New - Open Box
$999.00

Allen-Bradley 1771-A3B1 PLC-5 12-slot I/O chassis provides reliable backplane communication and power distribution for 1771 modules in panel-mounted industrial control systems.

Read more
Estimated delivery: 3 days
One year warranty
Free return within 30 days of purchase.
Contact
Have a question ? Ask an expert
Live chat (833) 322-7865 Email
Browse by category:
Allen Bradley Programmable Logic Controllers (PLCs) Automation
Product Description

Allen-Bradley 1771-A3B1 PLC-5 12-Slot I/O Chassis for Modular Control Systems

The Allen-Bradley 1771-A3B1 is a 12-slot I/O chassis designed for PLC-5 systems using the 1771 Universal I/O platform. It serves as the structural and electrical backbone for processors, power supplies, and I/O modules in industrial automation environments.

Integrated 1771 Backplane Architecture

  • Supports up to twelve 1771 I/O, processor, or adapter modules
  • Backplane distributes system power and communication signals
  • Designed for local, extended, or remote I/O rack configurations

Industrial Panel-Mount Design

The chassis is built for back-panel mounting inside industrial enclosures, providing secure mechanical support and consistent module alignment. Its open-style construction supports airflow and system accessibility.

Typical Applications

  • PLC-5 based manufacturing automation systems
  • Industrial control panels using 1771 I/O modules
  • Local or remote I/O expansion racks
Specifications
Specifications
MPN 1771-A3B1
Product Condition New - Open Box
Shipping Length (in.) 21
Shipping Width (In.) 21
Shipping Height (In.) 21
Item Returns This item can be returned
Brand Allen-Bradley
Manufacturer Allen-Bradley
Catalog Number 1771-A3B1
Product Line PLC-5 / 1771 Universal I/O
Category Programmable Logic Controller I/O Chassis
Chassis Type Universal I/O Chassis
Module Capacity 12 Slots
Supported Modules 1771 I/O, Processor, Adapter, and Specialty Modules
Backplane Function Power Distribution and Module Communication
Maximum Backplane Current 24 A at 5 VDC
Mounting Method Panel Mount (Back Panel)
Mounting Hardware ¼-20 (M6 x 10) Mounting Bolts
Enclosure Style Open Style
Rack Configuration Local, Extended, or Remote I/O Rack
Operating Temperature 32 to 140 °F (0 to 60 °C)
Storage Temperature -40 to 185 °F (-40 to 85 °C)
Relative Humidity 5–95% Non-Condensing
Operating Shock 15 g
Non-Operating Shock 30 g
Vibration Rating 2 g at 10–500 Hz
Hazardous Location Rating Class I, Division 2, Groups A, B, C, D
Dimensions (L × W × H) 19.0 × 12.4 × 7.6 in
Weight 12.44 lbs
Installation Location Stand-Alone Industrial Control Panel
What's in the box?
  • 1 x Allen-Bradley 1771-A3B1 12-Slot I/O Chassis
Technical Resources
Related Posts

No Related Posts

Reviews
Write Your Own Review
You're reviewing: Allen-Bradley 1771-A3B1 PLC-5 12-Slot I/O Chassis Panel Mount
loader
Loading...

You submitted your review for moderation.

Trustpilot

Related Products

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.
Allen Bradley 1771 A2B PLC 5 I O Chassis Product View
New - Open Box
Allen-Bradley 1771-A2B PLC-5 8-Slot I/O Chassis, Back-Panel Mount, Open-Style Enclosure
$399.00
Model : 1771-A2B
Product Condition : New - Open Box
0 Reviews