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AB AC Power Supply Module 1756-PA72

AB AC Power Supply Module 1756-PA72

Technical Specifications for AB AC Power Supply Module 1756-PA72



Part Number/Catalog No.




Module Type

AC Power Supply Module

Input Voltage

120-240 Volts AC

Voltage Range

85-265 Volts AC

Input Power

100 Watts

Input Frequency

47-63 Hertz

Power Output

75 Watts at 60 Celsius


Series A or B


Chassis - Left Side


2.5 pounds (1.1 kilograms


5.5 x 4.4 x 5.7 inches

Operating Temperature

32-140 Fahrenheit (0-60 Celsius)





About 1756-PA72

The Allen-Bradley 1756-PA72 Standard AC Power Supply is part of the ControlLogix power supply series. The 1756-PA72 comes with 120 to 240 Volts AC nominal input voltage. The input frequency range of the 1756-PA72 is 47 to 63 Hertz. The maximum input power of this device is 100VA/100 Watts and the maximum output power is 75 Watts at 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit). The 1756-PA72 has a power consumption of 25 Watts at 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit). This power supply has a power dissipation of 85.3 BTU/hour and a power supply with a maximum inrush current of 20 A. The Allen-Bradley 1756-PA72 provides built-in overcurrent protection. It is user-supplied at a maximum of 15 A. The maximum transformer load of this power supply is 100VA and the voltage isolation is 250 Volts continuous. The 1756-PA72 also has a reinforced insulation type tested at 3500 Volts DC for 60 seconds.
The Allen-Bradley 1756-PA72 is open type equipment. This power supply should be installed in an appropriate enclosure that is designed for certain environmental conditions. The inside of the enclosure should be accessible only with a tool. Please see the user manual from the NEMA Standard 250 and IEC 60529 publications for an explanation of the level of protection afforded by different types of enclosures.

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