Manufacturer Rockwell Automation
Brand Allen Bradley
Part Number/Catalog number 1756-PB72K
Series ControlLogix
Module Type DC power module
Input voltage 24 volts DC
Allen-Bradley's 1756-PB72K power module is designed for use with the 1756 ControlLogix system and belongs to the standard power supply category. It is used to provide 1.2, 3.3, 5.1, and 24 volts DC for the 1756 chassis backplane. The 1756-PB72K module can accept DC input voltages from 18 to 32 V DC, while the nominal value of the input voltage is 24 V DC. Peak input power is 95 watts and maximum power output is 75 watts at 32 to 140 degrees Fahrenheit. The 1756-PB72K module has a hold time of 35 ms at 18 volts DC, 40 ms at 24 volts DC, and 40 ms at 32 volts DC. The peak surge current value is 30 amps. The 1756-PB72K module is rated at 1.5 amps, 4 amps, 10 amps and 2.8 amps at 1.2 volts, 3.3 volts, 5.1 volts and 24 volts, respectively.
The 1756-PB72K modules measure 14 x 11.2 x 14.5 cm. The 1756-PB72K module weighs approximately 0.77 kg. This PSU is designed to be installed on the left side of the 1756 I/O chassis. The 1756-PB72K module is compatible with the following A, B, and C series enclosures: 1756-A17, 1756-A13, 1756-A10, 1756-A7, and 1756-A4 enclosures. Allen-Bradley recommends 2.5mm2 stranded or solid copper wire with a service temperature rating of 194 degrees Fahrenheit or higher. The maximum insulation thickness on the wire should not exceed 1.2 mm. The recommended conductor screw torque level is 0.565 N-m. The module's operating and storage temperature ranges are 32 to 140 degrees Fahrenheit and -40 to 185 degrees Fahrenheit, respectively.
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