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ControlLogix 125V DC Power Supply
SKU: 1756-PH75K
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Short Description
Description:
The 1756-PH75K is a 125V DC power supply module designed to work with ControlLogix® Series B chassis.
It provides up to 75 watts of regulated DC power to the backplane, enabling a wide range of ControlLogix I/O, communication, and CPU modules.
The suffix "K" signifies that the module has conformal coating, which protects internal components from moisture, dust, and corrosive gasses, making it suitable for tough industrial applications.
This module is designed for high-reliability applications in industries such as power generation, transportation, mining, and chemical processing, where 125V DC infrastructure is prevalent and environmental resilience is critical.
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Electrical Specifications:
Input Voltage Range: 90–143 V DC.
Nominal Input Voltage: 125 V DC.
Input Power Rating: 95 W.
Maximum Output Power: 75 W.
Inrush Current: Up to 30 A.
Isolation Voltage: 250 V continuous.
Dielectric Strength: Tested at 3250 V DC for 60 seconds.
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: –25 °C to +70 °C.
Storage Temperature: –40 °C to +85 °C.
Humidity: 5% to 95% non-condensing.
Shock Tolerance:
30G operating.
50G non-operating.
Vibration Tolerance: 2G.
Conformal Coating: Yes — protects against moisture, dust, and corrosive gases.
Physical Characteristics:
Dimensions: 140 × 112 × 145 mm (5.51 × 4.41 × 5.71 in.).
Weight: Approx. 2.10 lb (0.95 kg).
Mounting Location: Left side of ControlLogix Series B chassis.
Compatible Chassis: 1756-A4, A7, A10, A13, A17 (Series B only).