8 Rockwell Automation Publication 1769-IN028C-EN-P - August 2016
Compact I/O Expansion Power Supplies
Parts Illustration of a Power Supply
The sample illustrations of a 1769-PA4 power supply let you review the various components that
comprise a power supply, which is attached to a DIN rail.
Power Supply Components
Item Description
1 Bus lever (with locking function)
2a Upper panel mounting tabs
2b Lower panel mounting tabs
3 Status Indicator
4 Power supply door with terminal identification label
5a Movable bus connector with female pins
5b Stationary bus connector with male pins
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