Manufacturer Rockwell Automation
Brand Allen Bradley
Part Number/Catalog number 1756 - Year PSCA2XT
Series ControlLogix
Module Type Redundant power supply chassis adapter
The Allen Bradley 1756-PSCA2XT is a redundant power case adapter. It has an operating temperature of -25 to 70 degrees Celsius (-13 to 158 degrees Fahrenheit) and a non-operating temperature of -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit). The maximum ambient air temperature of this power supply is 70 degrees Celsius (158 degrees Fahrenheit) and its relative humidity is 5% to 95% based on IEC 60068-2-30, with no condensation.
At 10 to 500 Hz, the power supply has an operating vibration of 2 G and an operating and non-operating shock of 30 G and 50 G, respectively. Its 1.2 VDC current capacity is 1.5 A; At 3.3 volts DC, the current capacity is 4 A, at 5.1 volts DC, 15 A, and at 24 volts DC, the module has A current capacity of 2.8 A. The module's ESD immunity is 6 kV contact discharge and 8 kV air discharge.
Connecting or disconnecting the cable of this module while the backplane power is live may cause arcing to occur. This can cause the contacts of the module and its accompanying connectors to explode or wear excessively. Unmaintained contacts can cause resistance, which can affect module operation.
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