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The Allen-Bradley 1756-PA72C is a high-efficiency AC-to-DC power supply for ControlLogix 1756 chassis, delivering 5V/1.5A and 24V/3A outputs. Featuring auto-sensing 85–265V AC input, it ensures stable power for PLC systems. With overcurrent/overvoltage protection, 1500V isolation, and LED diagnostics, it is designed for industrial automation in harsh environments.
Product Specifications
1. General
Manufacturer: Allen-Bradley (Rockwell Automation)
Model: 1756-PA72C
Type: Backplane-mounted power supply
Compatibility: ControlLogix 1756 chassis
2. Electrical
3. Protections
Overcurrent: Auto-resetting (both outputs)
Overvoltage: Active clamping
Thermal: Auto-recovery shutdown
Isolation: 1500V AC input-to-output
4. Environmental
Operating Temp: 0°C to +60°C
Storage Temp: -40°C to +85°C
Humidity: 5–95% RH (non-condensing)
Vibration: 2g @ 10–500Hz (IEC 60068-2-6)
5. Certifications
6. Indicators
PWR (Green): Input power OK
OK (Green): Normal operation
FLT (Red): Fault detected
7. Mechanical
8. Applications
ControlLogix systems
Factory automation
Process control
Allen-Bradley 1756-PA72C power module usage scenario diagram:
OTHERS ALSO LEARNED ABOUT THE FOLLOWING PRODUCTS：