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Allen Bradley 1771-A3B1 PLC-5 12-Slot I/O Chassis

Allen Bradley 1771-A3B1 12-Slot PLC-5 I/O Chassis

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerAllen Bradley

Part number1771-A3B1

Number of Slots 12

Backplane Current 24A max at 5.25V DC

Mounting Type Back Panel

Operating Temperature 0-60°C

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12-month warranty

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Veteran-owned

CAGE: 9NK75

12 I/O slots PLC-5 system compatibility Back-panel mounting 24A max backplane current Modular design

Product description

The Allen-Bradley 1771-A3B1 is a 12-slot I/O chassis designed for the PLC-5 system. It serves as the foundation for installing various 1771 series I/O modules, providing the necessary backplane for communication between modules and the processor or I/O adapter module. This chassis supports back-panel mounting and offers a maximum backplane current of 24 Amperes at 5.25V DC.

This chassis is a critical component for modular PLC systems, allowing for flexibility and expansion. It is suitable for industrial environments with operating temperatures up to 60 degrees Celsius. The open-style enclosure facilitates easy access for module installation and maintenance.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 1771-A3B1. We provide reliable access to essential automation hardware, ensuring your industrial operations have the components needed to maintain optimal performance.

Technical specifications

Number of Slots	12
Backplane Current	24A max at 5.25V DC
Mounting Type	Back Panel
Operating Temperature	0-60°C
Series	PLC-5 1771 Series

Common applications

PLC-5 Systems

Industrial Automation

Machine Control

Process Control

Data Acquisition

Compatible systems

PLC-5 Processors 1771 Series I/O Modules

Also known as

1771A3B1 AB I/O Rack Allen Bradley PLC Chassis

Replaces / compatible with

The 1771-A3B1 chassis is used to house 1771 series I/O modules within a PLC-5 system. It is a foundational component for these systems.

Technical note

Expert tip

Ensure adequate spacing around the chassis for ventilation as it is an open-style enclosure.

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Frequently asked questions

What is the maximum backplane current for the Allen Bradley 1771-A3B1?

The Allen Bradley 1771-A3B1 I/O chassis provides a maximum backplane current of 24 Amperes at 5.25V DC, enabling it to support multiple I/O modules within a PLC-5 system.