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1756-A4
1756-A4
  1. 1756-A4
  2. 1756-A4

Allen Bradley 1756-A4 4 Slot ControlLogix Chassis

£344.94 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsAllen Bradley
Model 1756A4
Series ControlLogix
Type Chassis / Backplane
Backplane Type ControlLogix high-speed
Mounting Type Wall mount / Direct mount
Chassis Type Passive backplane
Integrated Power Supply No (requires separate 1756-PA or 1756-PB series)
Voltage Compatibility Via compatible 1756 series power supplies
Mounting Wall mount / Direct to panel (no DIN rail support)
Weight Approx. 1.8 kg
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SKU: 1756-A4 Category: Tags: , , Brand:
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Allen Bradley 1756-A4 4 Slot ControlLogix Chassis

The AB 1756-A4 is a 4-slot ControlLogix chassis designed to house ControlLogix modules such as controllers, communication modules, and I/O. This chassis provides the physical structure and high-speed backplane necessary for module intercommunication in Rockwell Automation’s ControlLogix platform.

Technical Specifications

Model 1756A4
Series ControlLogix
Type Chassis / Backplane
Number of Slots 4
Integrated Power Supply No (requires separate 1756-PA or 1756-PB series)
Backplane Type ControlLogix high-speed
Mounting Type Wall mount / Direct mount
Application ControlLogix modular PLC systems, distributed control, motion, and process automation

Electrical & Interface Specifications

Backplane Power Distribution Yes (via external power supply)
Voltage Compatibility Via compatible 1756 series power supplies
Slot Compatibility Supports all standard ControlLogix modules
Front Installation Support Yes
Redundancy Support Dependent on controller and power configuration

Mechanical Specifications

Width 263 mm
Height 169 mm
Depth 145 mm
Mounting Wall mount / Direct to panel (no DIN rail support)
Housing Industrial-grade metal construction
Form Factor Compact 4-slot layout
Weight Approx. 1.8 kg

Environmental Specifications

IP Rating IP20 (when installed in enclosure)
Operating Temperature 0…60 °C
Storage Temperature -40…85 °C
Relative Humidity 5% to 95% non-condensing
Shock/Vibration Resistance Compliant with IEC 60068
Certifications CE, cULus, RoHS
Performance Level (ISO 13849-1) Level e
Category (EN 954-1) Category 4

Compliance & Communication

ControlNet / EtherNet/IP / DeviceNet Support Enabled via installed communication modules
Chassis Type Passive backplane
Bus Expansion Support Yes (via bridges or remote racks)
Module Compatibility All 1756 I/O, controllers, and communication modules
Redundant Power Supply Support Yes, with appropriate supply configuration

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Frequently Asked Questions

How can I check whether 1756-A4 is the correct replacement?

Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.

How quickly can 1756-A4 be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 1.8 kg

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1756-A4_Installation-Instructions.pdf1756-A4_Technical-Data.pdf1756-A4_Selection-Guide.pdf

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