Allen Bradley 1756-PA72

The Allen-Bradley 1756-PA72 is a standard AC power supply module designed for the ControlLogix® system, providing regulated voltages necessary for module operation within the chassis.

Key Specifications

• Input Voltage Range: 85–265 V AC (nominal 120/240 V AC)

• Input Frequency: 47–63 Hz

• Output Voltages and Currents:

  • 5.1 V DC @ 10 A

  • 3.3 V DC @ 4 A

  • 1.2 V DC @ 1.5 A

  • 24 V DC @ 2.8 A

• Maximum Output Power: 75 W at 0–60 °C (32–140 °F)

• Power Consumption: 25 W at 0–60 °C (32–140 °F)

• Power Dissipation: 85.3 BTU/hr

• Hold-up Time:

  • 5 cycles @ 85 V AC, 50/60 Hz

  • 6 cycles @ 120 V AC, 50/60 Hz

  • 6 cycles @ 200 V AC, 50/60 Hz

  • 6 cycles @ 240 V AC, 50/60 Hz

• Maximum Inrush Current: 20 A

• Isolation Voltage: 250 V continuous

• Mounting: Chassis – Left Side (does not occupy a slot)

• Dimensions (H × W × D): 14.0 × 11.2 × 14.5 cm (5.51 × 4.41 × 5.71 in.)

• Weight: Approximately 0.95 kg (2.10 lb)

• Operating Temperature: 0–60 °C (32–140 °F)

• Storage Temperature: -40–85 °C (-40–185 °F)

• Relative Humidity: 5–95% non-condensing

• Certifications: UL, CE, CSA, C-Tick, FM, KC (KCC)