Description
Schneider 140CPS12400
Ⅰ. Overview
Schneider 140CPS12400 is an industrial-grade DC redundant power supply module. It serves as a stable power supply and redundancy protection unit for industrial automation systems. Its core function is to supply regulated and stable DC power to Modicon Quantum series PLC racks, CPU modules, I/O modules and other auxiliary equipment. Meanwhile, it features redundant power supply to realize backup of power supply links. In case of a single link failure, the system can maintain continuous power output, preventing industrial control system shutdown, data loss and equipment damage caused by power interruption.
Adopting an industrial modular design, this module supports installation on standard Modicon Quantum backplanes as well as DIN rail mounting. With compact structure, easy installation, excellent anti-interference performance and wide temperature adaptability, it is widely used in manufacturing, infrastructure, transportation, process control and other industries. It delivers continuous, reliable and safe power support and acts as a core power component to ensure long-term stable system operation.
Ⅱ. Product Parameters
| Parameter Name | Specifications |
|---|---|
| Model | 140CPS12400 |
| Manufacturer | Schneider Electric |
| Product Series | Schneider Modicon Quantum Series DC Redundant Power Supply Module |
| Product Type | Industrial-grade DC redundant power module, providing stable DC power and redundant protection for Modicon Quantum PLC and supporting devices |
| Compatible Devices | Matches Modicon Quantum series PLC racks and backplanes; compatible with Quantum CPU, I/O, communication and other modules; applicable to 10-slot and 16-slot Quantum racks |
| Input Parameters | Input Voltage: 115/230 VAC wide voltage design; 93–138 V (115 VAC range), 170–276 V (230 VAC range); Input Current: 1100 mA @ 115 VAC, 600 mA @ 230 VAC; Inrush Current: 38 A @ 115 VAC, 19 A @ 230 VAC |
| Output Parameters | Output Voltage: Regulated 5.1 VDC; Output Current: 11 A (independent mode), 20 A (combined mode, peak), 8 A @ 60°C (redundant mode); Rated Power: 130 VA |
| Redundancy Function | Supports DC redundant power supply and link backup; ensures continuous system power supply under single link fault to improve power reliability |
| Protection Mechanism | Overload protection (current limiting & alarm), short-circuit protection (immediate output cut-off), over-temperature protection (built-in temperature sensor), over-voltage protection; all-round protection for the module and load equipment |
| Physical Characteristics | Modular design for Quantum standard backplane and DIN rail mounting; Dimensions: 90 mm (W) × 30 mm (H) × 25 mm (D); Weight: approx. 0.4 kg (0.65 kg for partial versions); compact for easy integration and maintenance |
| Environmental Parameters | Operating Temperature: -25°C ~ +55°C (standard), up to +70°C (extended); Relative Humidity: 5%–95% (non-condensing); suitable for diverse industrial conditions |
| Core Functions | Wide voltage input adaptation, stable DC output, DC redundant power supply, multi-safety protection, operation status monitoring, dual mounting (rack/DIN rail), full compatibility with Quantum series modules |
Ⅲ. Technical Features
- Wide Voltage Adaptation & Stable Output: Supports 115/230 VAC universal input to adapt to global power grid standards. The wide input range resists grid voltage fluctuation. It provides steady regulated 5.1 VDC output, with 11 A in independent mode and 20 A peak current in combined mode. The 130 VA rated power fully meets the power demand of Quantum PLC and peripheral modules for stable equipment operation.
- High-Reliability Redundant Power Supply: Built-in DC redundancy realizes automatic link backup and seamless switchover during single power failure. It eliminates system shutdown, data loss and economic losses caused by power anomalies, greatly enhancing system availability for high-reliability industrial occasions.
- Multi-Layer Safety Protection: Integrated overload, short-circuit, over-temperature and over-voltage protection. It activates current limiting and alarms under overload, cuts off output instantly under short-circuit, and triggers thermal protection via the internal temperature sensor. It comprehensively prevents equipment damage under abnormal working conditions and complies with international industrial safety standards.
- Flexible Installation & Convenient Maintenance: Dual mounting methods including Quantum rack backplane and DIN rail adapt to various control cabinet layouts. Compact, lightweight and easy for wiring and module replacement. The integrated green LED indicator intuitively displays power status, facilitating on-site inspection, fault diagnosis and daily maintenance.
- High Durability & Wide Environmental Adaptability: Adopts industrial-grade components and rugged structure with strong electromagnetic interference resistance for complex industrial electromagnetic environments. The wide temperature range of -25°C ~ +55°C (extended to +70°C) and 5%–95% non-condensing humidity tolerance ensure long-term stable operation in control rooms, outdoor auxiliary facilities and other harsh sites with low failure rate.
- Excellent Compatibility & Versatility: Developed exclusively for Modicon Quantum PLC system, it is fully compatible with native CPU, I/O, communication and other modules, and fits 10-slot and 16-slot racks without additional adapters for quick system integration. It has obtained multiple international and domestic certifications and meets general power supply demands across multiple industrial fields.
Ⅳ. Application Scenarios
(1) Manufacturing Automation
Widely used in automated production lines such as mechanical processing, automobile assembly, electronic manufacturing and packaging logistics. As the core power supply unit, it provides stable and redundant DC power for Quantum PLC, robot controllers, sensors and actuators. Redundant design and multi-protection functions avoid production line shutdown caused by power failure. It is especially suitable for automobile assembly and other high-reliability occasions to deliver uninterrupted power for automated equipment.
(2) Infrastructure Control
Applied to building automation, water treatment, municipal engineering and other infrastructure fields. It supplies stable power for HVAC systems, lighting management and water pumping station control systems. With wide temperature tolerance and high stability, it ensures 24/7 continuous operation of municipal and building facilities and improves the stability and convenience of infrastructure management.
(3) Transportation Systems
Suitable for rail transit, airports, ports and other transportation scenarios. It provides redundant and reliable power for railway signal control, traffic monitoring and communication equipment. With strong anti-interference capability and complete protection functions, it maintains stable performance in complex traffic environments, guarantees power safety for core scheduling and monitoring systems, and ensures orderly transportation operation.
(4) Process Control Industry



