1756-PSCA2K: ControlLogix Redundant Power Supply Chassis Adapter
The 1756-PSCA2K is specified as ControlLogix Redundant Power Supply Chassis Adapter. Where this variant differs from others in its family is the configuration listed below — confirm it against the unit being replaced.
The reason to specify this exact variant is controllogix redundant power supply chassis adapter. A power supply or battery in a controller rack is sized against the backplane budget, not in isolation. controllogix redundant power supply chassis adapter is whether the unit delivers the voltage and current the rack draws at full load, and whether the battery holds programme and configuration through a power loss. Checking the configuration shown in the specification table against the rack's requirement prevents a supply that fits the slot but cannot hold the load.
| Feature | Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1756-PSCA2K |
| Description | Allen-Bradley 1756-PSCA2K ControlLogix chassis adapter module for redundant power supply. Backplane current 125 mA at 24V, max power dissipation 25.7W at 30°C, operating temp 0-60°C. Mounts left chassis. |
Related Configurations
Other published configurations in the same family — confirm the distinguishing specification against your installation:
| Related Part Number | Configuration Difference |
|---|---|
| allen-bradley-1756-psca2-controllogix-redundant-power-supply-chassis-adapte | confirm the configuration against your installation |
| allen-bradley-1756-psca2xt-controllogix-redundant-power-supply-chassis-adap | confirm the configuration against your installation |
All Allen-Bradley parts · Power
Availability & Condition at AutoDCSTech
| Part Number | 1756-PSCA2K |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
