



Introduction — Robust Power Foundation for Modicon PLC Systems
The Schneider Electric 140CPS12400 is a high-integrity Power Supply Module engineered to support Modicon automation platforms, including Quantum and associated rack-based PLC families. This module delivers stable DC power to controllers, I/O cards, communication adapters, and peripheral devices. Built for industrial environments, the 140CPS12400 ensures continuous operation, electrical protection, and efficient energy distribution—critical for reliable process control and automation performance.
Technical Specifications
| Specification | Details |
|---|
| Model | 140CPS12400 |
| Module Type | Power Supply Module |
| Compatible Systems | Schneider Electric Modicon PLC families (Quantum and compatible rack PLCs) |
| Input Voltage | 100–240 V AC, 50/60 Hz |
| Output Voltage | 24 V DC nominal |
| Output Current | Up to 10 A (system dependent) |
| Operating Temperature | 0 °C to +60 °C |
| Mounting | Backplane-mounted within system rack |
| Dimensions (W×H×D) | 140 mm × 105 mm × 45 mm |
| Weight | ~0.85 kg |
| Protection Features | Overvoltage, overload, short-circuit protection |
| Construction | Industrial-grade components with reinforced casing |
Applications — Where 140CPS12400 Excels
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Modicon PLC Power Backbone: Provides reliable DC power for Quantum and compatible rack PLC systems.
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Process Industries: Ideal for chemical plants, water/wastewater treatment, petrochemical, and energy facilities.
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Manufacturing Automation: Ensures stable power for production lines, material handling, and batch control systems.
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Critical Infrastructure: Supports automation in utilities, transportation systems, and industrial facilities.
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Continuous Operation Environments: Designed for 24/7 uptime with robust protections against electrical faults.
This module plays a fundamental role wherever automation systems demand uninterrupted power.
Advantages — Key Benefits
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Consistent DC Output: Delivers regulated 24 V DC power essential for controller and I/O operation.
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Integrated Protections: Built-in safeguards help prevent damage from surges, overloads, and short circuits.
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Wide Input Compatibility: Supports global AC mains standards without additional converters.
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Compact Design: Efficient use of rack space with straightforward installation.
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Industrial Durability: Engineered for continuous performance in harsh plant environments.
These features help ensure uptime, reduce maintenance, and enhance overall system resilience.