The Allen-Bradley 1756-PA75K module is a 1756 ControlLogix power supply module. The input voltage range for the 1756-PA75K module is from 85 to 265 Volts AC. The nominal input voltage is 120 to 240 Volts AC. The supported range of input frequencies is from 47 to 63 Hertz. The maximum input power is 100 VA or 100 Watts. The maximum output power level is 75 Watts at 0 to 60 degrees Celsius. The maximum inrush current to the 1756-PA75K module is 20 Amps. The hold-up time, which is the time interval between the input voltage removal and the DC power failure for the 1756-PA75K module is 2 cycles at 85 Volts AC and 60 Hertz, 6 cycles at 120 Volts AC and 60 Hertz, and 20 cycles at 220 Volts AC and 60 Hertz. The current capacity for the module is 1.5 Amps at 1.2 Volts DC, 4 Amps at 3.3 Volts DC, 13 Amps at 5.1 Volts DC, and 2.8 Amps at 24 Volts DC. The rated isolation voltage is 250 Volts AC continuous.
The approximate weight of the 1756-PA75K module is 2.1 pounds and its dimensions are 5.51 x 4.41 x 5.71 inches. The module is installed on the left side of the 1756 chassis. Series B and Series C Allen-Bradley chassis which are compatible with the 1756-PA75K module include the 1756-A4, 1756-A7, 1756-A10, 1756-A13, and the 1756-A17. The recommended wire size for use with the 1756-PA75K is 14 AWG solid or stranded copper wire. The copper wire should be rated for 90 degrees Celsius. The enclosure of the module is open and it complies with the T4 North American temperature code.
FAQ for 1756-PA75K
The Allen-Bradley 1756-PA75K is a ControlLogix standard AC power supply. It is an 85-265V AC power supply that is conformally-coated and has a redundant configuration. Its voltage category is 120-220V AC and its nominal voltage is 120-240V AC with a frequency rating of 47-63 Hz. This power supply also has an input power of 100 W, an output power of 75 W at 60 ËšC, and a consumption of 25 W. The backplane currents of this power supply are 13 A at 5V and 2.8 A at 24V. The inrush current of this power supply is 20 A, the current capacity is 1.2-24V DC at 1.5-2.8 A and the overcurrent protection is 15 A. The 1756-PA75K power supply’s power dissipation of 85.3 BTU/hr and its maximum transformer load of 100 VA.
The operating temperature of the 1756-PA75K is from 0-60 ËšC and its non-condensing relative humidity of 5-95%. The hold-up times of this power supply are 5 cycles at 85V AC and 6 cycles at 120V AC, 200V AC, and 240V AC respectively. It also has an isolation voltage of 250V. This power supply has an operating vibration of 2 g at 10-500 Hz, operating shock of 30 g and non-operating shock of 50 g. The entire 1756-PA75K power supply weighs 1.1 kg or 2.5 lbs and measures 5.51 x 4.41 x 5.71 inches. This power supply also has status LEDs available.
Revisions for 1756-PA75K
Please refer to the manual for more information about the 1756-PA75K such as the wiring diagrams, data sheets,
firmware information and migration or obsolescence details.
|Revision Part #
||Also Known as
||1756-PA75K/A, Series A, Rev A