---
manufacturer: Rockwell Automation
model: ControlLogix Rack - 4 Slot
part_number: 1756-a4
slug: rockwell-automation-1756-a4
u_height: 3
is_full_depth: false
subdevice_role: parent
is_powered: false
device-bays:
  - name: Power Supply
  - name: Slot 0
  - name: Slot 1
  - name: Slot 2
  - name: Slot 3