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ControlLogix AC Power Supply
SKU: 1756-PA72
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Short Description
Description:
The 1756-PA72 is a rack-mounted AC power supply that provides regulated DC power to the ControlLogix backplane while supporting the various voltage levels required by system modules.
It is designed for industrial automation applications where dependability and scalability are critical.
Input voltage range is 85-265 V AC (global compatibility).
Nominal Input Voltage: 120/240 V AC.
Power output: up to 75 W at temperatures ranging from 0 to 60 degrees Celsius.
DC Output Rails:
1.2 V @ 1.5 A.
3.3 V @ 4.0 A.
5.1 V @ 10.0 A.
24 V @ 2.8 A.
Mounting location: The ControlLogix chassis's leftmost slot.
Isolation Voltage: 250 V continuous (improved insulation).
Inrush current: 20 A maximum.
Hold-Up Time: 5-6 cycles based on input voltage.
Buy currently uses Select Automation shop pricing and checkout.
Electrical Specifications:
Input Voltage Range: 85–265 V AC.
Nominal Input Voltage: 120/240 V AC.
Frequency Range: 47–63 Hz.
Maximum Input Power: 100 W / 100 VA.
Maximum Output Power: 75 W @ 0–60 °C.
Inrush Current: 20 A max.
Hold-Up Time:
5 cycles @ 85 V AC.
6 cycles @ 120 V, 200 V, and 240 V AC.
Backplane Output Currents:
1.2 V DC: 1.5 A.
3.3 V DC: 4.0 A.
5.1 V DC: 10.0 A.
24 V DC: 2.8 A.
Environmental Ratings:
Operating Temperature: 0–60 °C (32–140 °F).
Humidity: 5–95% non-condensing.
Isolation Voltage: 250 V continuous.
Dielectric Strength: Tested at 3500 V DC for 60 seconds.
Enclosure Type: Open style (requires protective housing in harsh environments).
Physical Characteristics:
Dimensions: 140 × 112 × 145 mm (5.51 × 4.41 × 5.71 in.).
Weight: 0.95 kg (2.10 lb).
Mounting Location: Left side of ControlLogix chassis.
Compatible Chassis: 1756-A4, A7, A10, A13, A17 (Series A, B, C).
Wiring & Installation:
Wire Size: 2.5 mm² (14 AWG) copper, rated at 90 °C.
Screw Torque: 0.8 N·m (7 lb·in).
Wire Category: Category 1 (power ports only).