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Allen Bradley

Allen Bradley SLC 500 2-Slot Expansion Chassis

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ManufacturerAllen Bradley

Part number1746-A2

Chassis Type Expansion Chassis

Slots 2

Platform SLC 500

Mounting Back-Panel

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2-Slot Expansion Capacity SLC 500 Platform Compatible Back-Panel Mounting Compact Design Reliable Industrial Operation Seamless Integration

Product description

The Allen-Bradley 1746-A2 is a 2-slot expansion chassis for the SLC 500 series programmable controllers. It provides essential physical and electrical backplane for housing a processor module and one additional I/O module, offering flexibility in system configuration.

This chassis is designed for demanding industrial environments and provides reliable operation and seamless integration of control components. It is suitable for applications where panel space is limited and offers a foundational solution for small to medium-scale industrial control tasks.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 1746-A2. We provide reliable and cost-effective solutions for your industrial automation needs, ensuring quality and dependable service.

Technical specifications

Chassis Type	Expansion Chassis
Slots	2
Platform	SLC 500
Mounting	Back-Panel
Backplane Current (5V DC)	2.0A max
Backplane Current (24V DC)	0.8A max
Dimensions (H x W x D)	147.3 mm x 146.1 mm x 133.4 mm

Common applications

SLC 500 System Expansion

Industrial Control Panels

Automation Systems

Machine Control

Process Automation

Compatible systems

SLC 500 Processors SLC 500 I/O Modules SLC 500 Communication Modules

Also known as

1746A2, AB SLC 500 Chassis, 2-Slot SLC Chassis

Replaces / compatible with

This chassis is designed for SLC 500 systems and can be used to expand existing configurations. It has been discontinued by the manufacturer, but surplus units are available.

Technical note

Expert tip

Requires a separate SLC 500 power supply, which mounts on the left side of the chassis.

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Frequently asked questions

How many I/O modules can be installed in the Allen-Bradley 1746-A2 expansion chassis?

The Allen-Bradley 1746-A2 is a 2-slot expansion chassis. It can accommodate one processor module and one additional I/O or specialty module, providing a total of two slots for components within the SLC 500 system.