1756-PA72/C

Product Overview

1756-PA72/C is a standard AC power supply module from Allen-Bradley’s ControlLogix series, designed to deliver reliable backplane power for industrial automation systems.

Input Specifications

• Voltage Range: 120/240 V AC

• Frequency: 50/60 Hz

• Power Rating: 100 VA / 100 W

Output Ratings

• 24 V DC: 2.8 A

• 5.1 V DC: 10 A

• 3.3 V DC: 4 A

• 1.2 V DC: 1.5 A

• Total Output Power: 75 W (maximum)

• Inrush Current: 20 A (maximum surge)

Electrical Isolation

• Isolation Voltage: 250 V continuous

• Insulation Type: Reinforced (from power input to backplane)

Environmental Conditions

• Max Ambient Temperature: 60 °C (140 °F)

• Enclosure Rating: None (open-type)

Mechanical Details

• Torque Spec: 0.8 N•m (7 lb•in)

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

• Recommended Wire Size: 2.5 mm² (14 AWG), solid or stranded copper

• Wire Temperature Rating: ≥ 90 °C (194 °F)

• Max Insulation Thickness: 1.2 mm (3/64 in.)

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