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Schneider 140CPS11420 PLC Module

Schneider 140CPS11420 PLC Module

Item NO.: 3422926
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Detail

  • Product NameSchneider 140CPS11420 PLC Module
  • Item NO.3422926
  • Weight0.6500 kg = 1.4330 lb = 22.9281 oz
  • CategoryPLC
  • BrandSchneider
  • Creation Time2025-10-28
Schneider 140CPS11420 | Modicon Quantum Power Supply

140CPS11420

AC Power Supply Module Schneider Electric 115/230 V AC · 5.1 V DC
Modicon Quantum · Summable or Standalone
Product Profile Technical Data System Role Compatibility Applications FAQ Recommended Models

Product Profile

140CPS11420 is a standard power supply module from Schneider Electric's Modicon Quantum automation platform. It provides reliable power to the Quantum backplane and I/O modules, accepting a wide range of AC input voltages and delivering a regulated 5.1 V DC output.

The module supports standalone or summable operation modes. In standalone mode, it provides 11 A at 60°C; in summable mode (multiple units in parallel), it can deliver up to 20 A at 60°C.

The 140CPS11420 includes internal overvoltage and overload protection, a green PWR OK LED for status indication, and an NC alarm output (6 A / 220 V) for power supply fault reporting.

Modicon Quantum 5.1 V DC 11 A / 20 A 115-230 V AC Summable
Key identification
  • Schneider Electric Modicon Quantum
  • AC power supply module
  • Standalone or summable
  • 5.1 V DC output
  • 12-month warranty

Technical Data

Electrical specifications

Manufacturer Schneider Electric
Model 140CPS11420
Product type AC Power Supply Module
Series Modicon Quantum
Input voltage (AC) 115 V (93–132 V) / 230 V (170–276 V)
Input frequency 47–63 Hz
Input current 1300 mA @ 115 V / 750 mA @ 230 V
Inrush current 38 A @ 115 V / 19 A @ 230 V
Rated power 130 VA
Associated fuse rating 2 A, slow-blow
Output voltage 5.1 V DC
Output current (standalone) 11 A @ 60°C
Output current (summable) 20 A @ 60°C
Power dissipation 6 + (1.5 × Iout) W
Harmonic distortion ≤ 10% of fundamental rms

Physical & environmental

Mounting Quantum backplane / rack mount
Module format Standard
Operating temperature 0°C to +60°C
Storage temperature –40°C to +85°C
Relative humidity 95% (non-condensing)
Operating altitude ≤ 5000 m
Alarm output 1 NC, 6 A / 220 V (power supply fault)
Local signaling 1 LED (green) for PWR OK
Protection Internal overvoltage / overload
Certifications CE, cUL, UL 508, CSA
Note: This module is summable – multiple units can be paralleled to increase total output current up to 20 A.

System Role

The 140CPS11420 functions as the primary power source for the Modicon Quantum backplane, providing a regulated 5.1 V DC supply to the CPU, communication modules, and I/O modules installed in the rack. It also powers auxiliary devices connected to the system.

The module features a summable or standalone design, allowing multiple power supplies to be connected in parallel for increased current capacity (up to 20 A). This enables system designers to scale power delivery based on the I/O load requirements.

In addition to power delivery, the module protects the system from noise and voltage swings, operating effectively in electrically noisy environments without the need for external isolation transformers. A built-in alarm output provides remote fault notification.

Backplane power Summable design Noise immunity Fault alarm output
Architecture context
  • Modicon Quantum backplane supply
  • Standalone or summable modes
  • 5.1 V DC / 11–20 A output
  • Integrated overcurrent/overvoltage protection
  • Alarm output for remote monitoring

Compatibility

The 140CPS11420 is designed for seamless integration into Schneider Electric Modicon Quantum systems.

Compatible components

System Modicon Quantum automation platform
Rack compatibility Quantum standard racks
Mounting Rack mount / backplane
Summability Yes – multiple units can be paralleled for up to 20 A
Application suitability Airports, cement, energy, hydropower, metallurgy, mines, petrochemicals, tunnels, water treatment
Compatibility notes:
  • This module is not compatible with third-party power supplies due to the unique Quantum backplane specification.
  • For applications requiring higher current, summable operation allows up to 20 A by paralleling multiple units.
  • A 2 A slow-blow fuse is recommended for protection of the input circuit.
  • The product has been discontinued (as of March 15, 2022) with end-of-service support until December 31, 2029.
Related models: 140CPS11420C (same model, variant), 140CPS22400 (24 V DC input), 140CPS12420 (24 V DC output)

Applications

The 140CPS11420 is widely deployed in Modicon Quantum-based automation systems across various industries.

Substation automation
Water & wastewater treatment
Cement plants
Mining operations
Hydropower generation
Metallurgical processing
Tunnel infrastructure
Airport systems
Typical industries: Energy, utilities, petrochemicals, infrastructure, and heavy industry.
Key applications: The 140CPS11420 is used in every Quantum rack to supply power to CPUs, communication processors, and I/O modules in central and distributed control systems.

FAQ – Frequently Asked Questions

Q1: What is the output current of the 140CPS11420?

It provides 11 A at 60°C in standalone mode, and up to 20 A at 60°C when operated in summable (paralleled) mode.

Q2: What is the input voltage range for this power supply?

It accepts 115 V AC (93–132 V) or 230 V AC (170–276 V) at 47–63 Hz.

Q3: What protection features does the module include?

It includes internal overvoltage protection and internal overload protection . A 2 A slow-blow fuse is recommended for the input circuit.

Q4: Is the 140CPS11420 still in production?

The product has been discontinued (as of March 15, 2022). End-of-service support is planned until December 31, 2029.

Q5: Does the module provide an alarm output?

Yes, it includes 1 NC alarm output (6 A / 220 V) for reporting power supply faults.

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