



Introduction — Industry-Grade Power for Modicon PLC Systems
The Schneider Electric 140CPS12400C is a dependable Power Supply Module engineered for Modicon PLC platforms, including Quantum and compatible rack-based controllers. It delivers stable, regulated 24 V DC power to CPUs, I/O modules, communication adapters, and peripheral components. With built-in protections and a design optimized for industrial environments, the 140CPS12400C serves as a reliable foundation for automated processes in manufacturing, process, and infrastructure systems.
Technical Specifications
| Specification | Details |
|---|
| Model | 140CPS12400C |
| Module Type | Power Supply Module |
| Compatible Platforms | Modicon Quantum and compatible rack PLC systems |
| Input Voltage | 100–240 V AC, 50/60 Hz |
| Output Voltage | 24 V DC nominal |
| Output Current | Up to 10 A (application dependent) |
| Operating Temperature | 0 °C to +60 °C |
| Mounting | Backplane-mounted in PLC rack |
| Dimensions (W×H×D) | 140 mm × 105 mm × 45 mm |
| Weight | ~0.85 kg |
| Protection Features | Over-voltage, over-current, short-circuit protection |
| Construction | Industrial components with reinforced housing |
Applications — Where 140CPS12400C Excels
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Modicon PLC Systems: Provides primary DC power for Quantum and compatible rack controllers.
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Process Automation: Ensures continuous power for chemical, energy, and water treatment systems.
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Manufacturing Automation: Reliable power for production line PLCs and distributed I/O.
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Critical Infrastructure: Ideal for power substations, transportation systems, and facility automation.
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Round-the-Clock Operations: Designed for continuous industrial duty and 24/7 uptime.
Its rugged build and integrated protections help avoid unplanned downtime and extend component life
Advantages — Key Benefits
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Stable 24 V Output: Ensures consistent DC power for PLC CPUs, I/O modules, and communication cards.
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Wide Input Range: Works with 100–240 V AC without additional converters.
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Integrated Electrical Safeguards: Helps prevent damage from surges, shorts, and overloads.
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Space-Efficient Design: Fits neatly into Modicon PLC racks with minimal footprint.
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Industrial Durability: Built to operate reliably in harsh environments typical of heavy automation.
These advantages translate to reliable system performance and lower maintenance over the long term.