140CPS42400 Schneider Modicon Quantum Redundant Power Supply Module

Product Overview

The Schneider Electric 140CPS42400 is a premium redundant power supply module. Engineers design this unit for the high-reliability Modicon Quantum automation platform. It accepts a wide direct current input and provides stable power to the backplane. The redundant architecture ensures continuous system operation if a power fault occurs. It prevents costly downtime in critical industrial automation applications.

Global PLC Spare HUB Review & Insight

The Modicon Quantum 140CPS42400 stands out for its exceptional thermal management and robust electrical isolation. Many standard power supplies fail during sudden voltage fluctuations. However, this module handles severe inrush currents effectively. The internal diagnostic contact provides immediate fault telemetry to your supervisory system. It represents an ideal choice for legacy system maintenance and infrastructure expansion projects.

Target Equipment Compatibility

This power supply module integrates seamlessly with the following industrial hardware:

• Modicon Quantum controller backplanes and remote I/O drop bases
• High-availability process safety systems and hot-standby topologies
• Heavy-duty communication networks requiring reliable backplane power

Technical Specifications

• Brand: Schneider Electric
• Model: 140CPS42400
• Product Series: Modicon Quantum Automation Platform
• Module Type: Redundant Power Supply Module
• Input Voltage Range: 48V DC to 60V DC
• Maximum Input Current: 3800 mA
• Inrush Current: 14 A at 40V DC
• Input Power Interruption Immunity: 13 ms at 48V DC
• Associated Protection Fuse Rating: 2 A time-lag fuse
• Nominal Output Voltage: 5.1V DC
• Power Supply Output Current: 8 A redundant configuration
• Output Overvoltage Protection: Internal electronic clamping
• Output Overload Protection: Internal current limiting circuit
• Total Power Dissipation: 17.2 W
• Alarm Output Configuration: 1 Normally Closed contact, 6 A at 220V AC
• Local Diagnostic Signalling: 1 green Light Emitting Diode for power status
• Module Format Size: Standard single-slot Quantum module
• Net Weight: 1.43 lb (0.65 kg)
• Operating Ambient Air Temperature: 32 degrees Fahrenheit to 140 degrees Fahrenheit (0 to 60 degrees Celsius)
• Storage Ambient Temperature: -40 degrees Fahrenheit to 185 degrees Fahrenheit (-40 to 85 degrees Celsius)
• Relative Environmental Humidity: 95 percent non-condensing humidity levels
• Maximum Operating Altitude: Less than or equal to 16,404.2 feet (5000 meters)
• Electromagnetic Field Resistance: 9.1 V/m (10 V/m) at 80 to 2000 MHz per IEC 801-3
• Electrostatic Discharge Resistance: 4 kV contact per IEC 801-2 and 8 kV on air per IEC 801-2

Installation Guide

• Turn off all primary power sources before inserting the module into the slot.
• Align the 140CPS42400 module with the heavy-duty slots on the Quantum backplane.
• Slide the module firmly backward until the bus connectors engage completely.
• Tighten the top and bottom mounting screws to secure the chassis connection.
• Connect the 48-60V DC input cables to the dedicated terminal block.
• Wire the fault alarm contact to an external digital input module for monitoring.

Diagnostics & Troubleshooting Capabilities

• The green PWR OK indicator provides clear local status information.
• A dark LED signals a complete loss of input voltage or an internal component failure.
• The integrated configuration uses an internal dry contact for remote monitoring.
• The normally closed contact opens immediately when the power supply detects a fault.
• Internal circuits monitor output overvoltage conditions to protect your backplane.
• Automatic current limiting protects the system during downstream short-circuit events.

Commissioning & Maintenance Benefits

• The hot-swappable architecture allows module replacement without interrupting process control.
• Removable terminal blocks simplify wiring tasks during initial commissioning phases.
• The rugged housing eliminates the need for regular internal cleaning routines.
• Low power dissipation reduces the thermal load inside your electrical enclosure.

Product Certifications

• Underwriters Laboratories 508 compliance for industrial control equipment
• Canadian Standards Association C22.2 Number 142 certification
• Underwriters Laboratories certification for Canada
• European Conformity marking for all relevant directives

Packaging List & Warranty Terms

• 1 brand new Schneider Electric 140CPS42400 module
• 1 multi-language installation instruction sheet
• Factory original protective packaging material
• Comprehensive 12-month warranty coverage from the invoice date

Shipping & Logistics Details

• Dispatch Timeline: We ship your orders within 24 to 48 hours after payment confirmation.
• Available Carriers: Reliable global delivery via FedEx, UPS, and DHL Express services.
• Tracking Information: You will receive a tracking number immediately after shipment dispatch.

Typical Application Scenarios

• Redundant power sourcing for critical oil and gas pipeline control systems
• Stable voltage distribution in continuous chemical processing plants
• High-availability infrastructure control within water treatment facilities
• Power generation control loops requiring uninterrupted system performance

Selection & Buying Guide

• Verify your field power source matches the 48-60V DC input specification.
• Use this unit only if your system requires true redundant configuration capabilities.
• Calculate total backplane current consumption to ensure 8A capacity fits your needs.
• Purchase two identical units to establish a complete hot-standby power system.

Frequently Asked Questions

Can I mix this power supply with a different voltage model on the same redundant backplane?

No, you must use two identical 140CPS42400 modules for proper redundant operation. Mixing different models causes load imbalance and can damage the system.

What happens when the internal protection fuse blows?

The internal fuse protects against catastrophic component failures. If this fuse blows, the green LED turns off and the alarm contact trips.

Does this power supply require external cooling fans inside the cabinet?

No, the module relies on natural convection cooling within the specified temperature limits. Ensure adequate ventilation space around the rack.

How does the fault relay contact behave during normal operation?

The alarm contact remains closed when the power supply operates normally. It opens instantly when input power drops or internal faults occur.

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