Product Overview
In industrial automation, a stable power supply is critical to prevent system downtime and protect sensitive control modules. The Schneider Electric 140CPS11400C power supply module is designed to meet this need for Modicon Quantum systems. It converts an input voltage range of 115 to 230 V AC into a consistent 24 V DC output at 8 Amperes, supporting both 50 and 60 Hz frequencies. This module provides reliable power conversion, ensuring your programmable logic controllers operate without interruption.

Technical Specifications Breakdown
Key parameters for the 140CPS11400C are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Line | Modicon Quantum |
| Part Number | 140CPS11400C |
| Product Type | Power Supply Module |
| Input Voltage | 115 to 230 V AC |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24 V DC |
| Output Current | 8A |
| Power Dissipation | 150 W |
| Protection Class | IP20 |
| Ambient Temperature Range | 0 to 40 degrees Celsius |
| Operating Humidity | Up to 80% RH (non-condensing) |
| Storage Humidity | Up to 80% RH (non-condensing) |
| Maximum Operating Altitude | 1000 meters above sea level without derating |
Industry Applications
Manufacturing Line Power Distribution
In automotive assembly plants, the 140CPS11400C supplies stable 24 V DC to Modicon Quantum controllers that manage conveyor systems. Its 8A output supports multiple I/O modules, while the IP20 enclosure protects against dust ingress in panel-mounted installations.
Water Treatment Facility Control
For water treatment facilities, this power supply module ensures consistent operation of PLCs monitoring pumps and valves. The wide input voltage range accommodates varying mains conditions, and the non-condensing humidity tolerance up to 80% RH suits damp environments.

Installation & Setup Guidance
Mount the 140CPS11400C in a clean, dry enclosure with adequate ventilation. Ensure the ambient temperature stays within 0 to 40 degrees Celsius. Connect the AC input to a dedicated circuit breaker rated for the module's input voltage range. Use appropriate wire gauges for 8A output current. Verify that the total connected load does not exceed 8A to avoid overloading.
Maintenance & Reliability
Inspect the module periodically for dust accumulation on ventilation grilles. Clean with a dry, lint-free cloth if needed. Check that all connections remain tight and free of corrosion. The module's 150 W power dissipation should be considered when designing panel cooling. Storage conditions should remain below 80% RH non-condensing to prevent moisture damage.
Compatibility & Integration
The 140CPS11400C is designed for the Modicon Quantum product line. It integrates seamlessly with Quantum backplanes and I/O modules. No special configuration is required for basic operation; the module automatically converts AC input to regulated DC output.
Selection Guide & Purchasing Advice
When selecting a replacement or new power supply for your Modicon Quantum system, verify that the input voltage matches your facility's supply (115 to 230 V AC). The 8A output current must meet your system's total demand. SpareTechPLC stocks the 140CPS11400C and can assist with availability and lifecycle status. Please verify current lifecycle status and availability with SpareTechPLC before ordering.
Troubleshooting & Common Issues
If the module fails to power up, check the AC input voltage and frequency. Ensure the input breaker is closed and wiring is correct. If output voltage is low, verify that the load does not exceed 8A. Overheating may occur if ambient temperature exceeds 40 degrees Celsius or if ventilation is blocked. In such cases, reduce load or improve cooling.