Installation Instructions User Manual
Rockwell Automation Publication 1756-IN005C-EN-P - March 2014 15
Install Chassis and Power Supplies Chapter 1
Plan the System
Use the following information to assist you in planning your system.
Power Supply and Chassis Compatibility
The chassis series you have determines the power supply you can use. The
following table lists the chassis that can be installed with each power supply.
Minimum Cabinet Size
The following table lists the minimum cabinet size for each ControlLogix chassis.
Table 3 - Chassis Compatibility
Power Supply Cat. No. Chassis Cat. No.
1756-PA72/C 1756-A4/A, 1756-A7/A, 1756-A10/A, 1756-A13/A, 1756-A17/A,
1756-A4/B, 1756-A7/B, 1756-A10/B, 1756-A13/B, 1756-A17/B
1756-PB72/C
1756-PA75/B 1756-A4/B, 1756-A7/B, 1756-A10/B, 1756-A13/B, 1756-A17/B
1756-PB75/B
1756-PC75/B
1756-PH75/B
1756-PBXT 1756-A4LXT, 1756-A5XT, 1756-A7LXT, 1756-A7XT
1756-PAXT
IMPORTANT
To meet the UL/CSA standards, the cabinet housing your ControlLogix chassis
cannot be smaller than these minimum cabinet-size requirements.
Chassis Minimum Cabinet Size (H x W x D), approx
1756-A4 50.8 x 50.8 x 20.3 cm (20 x 20 x 8 in.)
1756-A7 50.8 x 60.9 x 20.3 cm (20 x 24 x 8 in.)
1756-A10 50.8 x 76.2 x 20.3 cm (20 x 30 x 8 in.)
1756-A13 60.9 x 76.2 x 20.3 cm (24 x 30 x 8 in.)
1756-A17 76.2 x 91.4 x 20.3 cm (30 x 36 x 8 in.)
1756-A4LXT 50.8 x 50.8 x 20.3 cm (20 x 20 x 8 in.)
1756-A5XT 50.8 x 76.2 x 20.3 cm (20 x 30 x 8 in.)
1756-A7LXT 50.8 x 60.9 x 20.3 cm (20 x 24 x 8 in.)
1756-A7XT 50.8 x 76.2 x 20.3 cm (20 x 30 x 8 in.)