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1756-PB72
Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
PDF Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with PDF Supply's 1-year, 2-year, or 3-year warranty.
Other Available Revisions for the 1756-PB72 1756-PB72//A1756-PB72//B1756-PB72//C
Common misspellings:
- l756-PB72
- 1756-P872
- 1756PB72
The 1756-PB72 is a standard DC Power Supply from the ControlLogix product line manufactured by Allen-Bradley/Rockwell Automation. The module is compatible with any chassis from the ControlLogix line, both Series A and Series B, and should be mounted on the left side. The approximate dimensions (HxWxD) of the power supply are 140 x 112 x 145 millimeters (5.5 x 4.4 x 5.7 inches) and its approximate weight is 1.1 kilograms (2.5 pounds). The 1756-PB72 requires a nominal power supply voltage of 24 Volts DC and it can operate on 18 to 32 Volts of DC power. The maximum input power this module can use is around 95 Watts and the power supply can output 75 Watts at 60 degrees Celsius. There are two durations for the Hold Up Time option depending on the voltage: 30 milliseconds at 18 Volts DC and 40 milliseconds at 24 and 32 Volts DC.
The power supply module comes with overcurrent protection of 15 Amperes. The part also features isolation voltage which can withstand 250 Volts continuous voltage, which was tested at The conductor of the module are copper wires size 14 AWG, and the conductor Screw Torque is 0.8 N-m (7 inches per pound. The 1756-PB72 can withstand vibration of 5G at 10 to 500 Hertz. On the other hand, the Operating Shock it was tested for is 30G, and the Non-Operating Shock is 50G. In addition to this, the module comes with surge transient immunity, conducted RF immunity and EFT/B immunity. Designed to operate in an environment where temperatures range between 0 and 6 degrees Celsius (32 and 140 degrees Fahrenheit), the module can operate in an area with relative humidity between 5 and 95% non-condensing. Due to its capacity, the 1756-PB72 is not designed for use in a residential area as it lacks protection against radio communication services and may cause damage if used off industrial floors.
