Schneider Electric 140CPS51100 Modicon Quantum Power Supply

Product Description

The 140CPS51100 standalone DC power supply module is engineered for the Modicon Quantum platform, delivering stable 5.1 V DC backplane power for CPUs, communication cards, and I/O modules. Designed for high-voltage DC input environments, it ensures consistent system operation with integrated protection features and industrial-grade durability.

This unit is typically deployed in process automation systems where 125 V DC bus power is standard, such as power generation, oil & gas, and large-scale manufacturing facilities.

Key Features

• Dedicated standalone power supply for Quantum racks
• Wide 125 V DC input tolerance for unstable field conditions
• Regulated 5.1 V DC output for backplane distribution
• Built-in overvoltage and overload protection
• Compact standard Quantum form factor
• Status monitoring via front-panel LED

Technical Specifications

Electrical Parameters

• Input Voltage: 100–150 V DC (nominal 125 V DC)
• Input Current: Approx. 0.4 A at 125 V DC
• Inrush Current: ≤ 10 A
• Allowable Power Interruption: ≤ 1 ms
• Recommended Protection: 0.75 A slow-blow fuse

Output Characteristics

• Output Voltage: 5.1 V DC (regulated)
• Output Current Range: 0.3–3.0 A
• Output Power: Up to ~15 W
• Power Dissipation: Approx. (2 + 3 × Iout) W
• Protection: Integrated overvoltage and overload safeguards

Mechanical & Physical Data

• Module Type: Standard Quantum slot module
• Weight: 0.65 kg
• Front Indicators: 1 × Green LED (PWR OK)
• Compliance Marking: CE

Environmental Specifications

• Operating Temperature: 0 to 60 °C
• Storage Temperature: –40 to 85 °C
• Relative Humidity: Up to 95% (non-condensing)
• Maximum Altitude: 5000 m
• ESD Immunity: 4 kV contact / 8 kV air
• Electromagnetic Immunity: 10 V/m (80–2000 MHz)

Application Areas

The 140CPS51100 module is suitable for installations where centralized DC power is available and high system reliability is required:

• Power generation and substations
• Petrochemical and refinery automation
• Water and wastewater treatment plants
• Heavy industrial process control systems

FAQ

Q: Can this module be used in redundant power configurations? A: No, this model operates as a standalone unit and does not support load-sharing or summable configurations.

Q: What happens during a short power interruption? A: The module can tolerate interruptions up to 1 ms without affecting output stability.

Q: Is external protection required? A: Yes, a 0.75 A slow-blow fuse is recommended on the input side for proper protection.