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ControlLogix AC Power Supply
SKU: 1756-PA75K
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Short Description
Description:
The 1756-PA75K is a high-performance AC power supply module designed for ControlLogix chassis systems.
It delivers up to 75 watts of controlled DC power to various modules in the chassis.
The "K" suffix indicates the presence of conformal coating, which protects the internal circuitry from moisture, dust, and corrosive gasses, making it ideal for use in tough industrial environments.
This module is fitted in the chassis's leftmost slot and is suited for applications requiring dependable, continuous power in harsh environments, such as chemical plants, mining activities, and outdoor installations.
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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 VA / 100 W.
Maximum Output Power: 75 W @ 0–60 °C (32–140 °F).
Inrush Current: 20 A max.
Hold-Up Time:
5 cycles @ 85 V AC.
6 cycles @ 120 V, 200 V, and 240 V AC.
20 cycles @ 220 V AC.
Backplane Output Currents:
+1.2 V DC: 1.5 A.
+3.3 V DC: 4.0 A.
+5.1 V DC: 13.0 A.
+24 V DC: 2.8 A.
Environmental Ratings:
Operating Temperature: 0–60 °C.
Humidity: 5% to 95% non-condensing.
Isolation Voltage: 250 V continuous.
Dielectric Strength: Tested at 3500 V DC for 60 seconds.
Conformal Coating: Yes — protects against moisture, dust, and corrosive gases.
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 B only).
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).