Is Your Control System Power Supply Ready for the Unexpected?
In industrial automation, a stable power supply is the backbone of uptime. The Schneider Electric 140CPS52400C power supply module, part of the Modicon Quantum series, delivers the reliability needed to keep your PLC system running smoothly. Designed for redundant configurations, this module ensures your critical processes stay online even during power fluctuations.
Product Overview
The 140CPS52400C is a power supply module from Schneider Electric's Modicon Quantum automation platform. It provides a nominal input of 125 V DC and accepts a wide input voltage range of 100–150 V DC, making it adaptable to various DC power sources. With an output voltage of 5.1 V DC and an output current of 8 A, it efficiently powers connected I/O modules and backplanes. The module is CE marked, indicating compliance with European safety standards.
Technical Specifications Breakdown
Key parameters for the 140CPS52400C are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Type | Power Supply Module |
| Product Line | Modicon Quantum |
| Nominal Input | 125 V DC |
| Input Voltage Range | 100–150 V DC |
| Output Voltage | 5.1 V DC |
| Output Current | 8 A |
| Input Current | 0.5 A |
| Inrush Current | 28 A @ 125 V |
| Hold-up Time | ≤ 1 ms |
| Fuse Rating | 2 A slow-blow |
| Power Dissipation | 6 + (1.5 × Iout) W |
| Overvoltage Protection | Internal |
| Overload Protection | Internal |
| Local Signaling | 1 LED green (PWR OK) |
| Marking | CE |
Industry Applications
This power supply module excels in environments where DC power is standard, such as:
- Process Control Plants: In chemical or oil & gas facilities, the 140CPS52400C provides stable 5.1 V DC to Quantum I/O racks, ensuring uninterrupted data acquisition and control.
- Water Treatment Systems: For remote pumping stations, its wide input range (100–150 V DC) compensates for battery voltage sags, maintaining system integrity.
- Manufacturing Lines: Redundant power supply setups using this module minimize downtime in high-speed assembly lines, where even a 1 ms hold-up time prevents data loss.
Installation & Setup Guidance
When integrating this power supply into a Modicon Quantum rack, ensure the input voltage is within 100–150 V DC. The module draws only 0.5 A input current, so a standard DC breaker suffices. Use a 2 A slow-blow fuse as specified for overcurrent protection. The green PWR OK LED confirms proper operation after power-up. For redundant configurations, pair two units to share the load; the internal overload and overvoltage protections safeguard against faults.
Maintenance & Reliability
The module includes conformal coating (Humiseal 1A33) for protection against moisture and contaminants. Operating temperature range is 32–140 °F (0–60 °C), with storage from -40–185 °F (-40–85 °C). Relative humidity up to 95% non-condensing is acceptable. Inspect the LED and input connections periodically. The hold-up time of ≤ 1 ms ensures output stability during brief interruptions. For altitude up to 5000 m, derating may be required.
Compatibility & Integration
The 140CPS52400C is designed for the Modicon Quantum automation platform. It is a redundant power supply type, meaning it can be used in parallel with another unit for fault tolerance. The module is cUL and FM Class 1 Division 2 certified, suitable for hazardous locations. It meets CSA C22.2 No 142 and UL 508 standards. Resistance to electrostatic discharge (4 kV contact, 8 kV air) and electromagnetic fields (9.1 V/m at 80–2000 MHz) ensures robust performance in industrial environments.
Selection Guide & Purchasing Advice
When selecting a power supply for your Quantum system, verify your input voltage source (125 V DC nominal) and load requirements (up to 8 A at 5.1 V DC). The 140CPS52400C is ideal for new installations or as a replacement. Contact SpareTechPLC for current lifecycle status and availability before ordering. Our team can help you confirm compatibility with your existing rack and I/O modules.
Troubleshooting & Common Issues
- No Green LED: Check input voltage (100–150 V DC) and fuse (2 A slow-blow). Ensure the module is fully seated in the rack.
- Output Voltage Below 5.1 V DC: Verify load current does not exceed 8 A. Overload protection may activate if current is too high.
- Module Overheating: Ensure ambient temperature is within 0–60 °C and airflow is not blocked. Power dissipation is 6 + (1.5 × Iout) W.
- Intermittent Operation: Inspect input connections for loose wires. The hold-up time of ≤ 1 ms may not cover longer interruptions.
Frequently Asked Questions
Q: What is the nominal input voltage for the 140CPS52400C?
A: The nominal input is 125 V DC, with an acceptable range of 100–150 V DC.
Q: What output voltage and current does this module provide?
A: It delivers 5.1 V DC output at up to 8 A.
Q: Does the module include overvoltage protection?
A: Yes, internal overvoltage protection is provided.
Q: What is the hold-up time of this power supply?
A: The hold-up time is ≤ 1 ms.
Q: What certifications does the 140CPS52400C hold?
A: It is CE marked, cUL certified, and FM Class 1 Division 2 approved.
