140CPS51100C

The Schneider Electric 140CPS51100C is a dedicated DC power supply module designed for the Modicon Quantum automation platform, delivering stable and precise power to critical PLC components. Built for industrial reliability, this standalone module ensures consistent system operation even in demanding environments where voltage stability and uptime are essential.

With its 125V DC input capability and optimized low-noise output, the 140CPS51100C is particularly suitable for legacy systems and specialized applications that rely on DC-powered infrastructure. Its compact and efficient design makes it a dependable choice for engineers seeking long-term performance and system integrity.

Technical Specifications

Parameter	Specification
Product Type	DC Power Supply Module
Platform	Modicon Quantum
Power Supply Type	Standalone
Input Voltage	100–150 V DC (Nominal 125 V DC)
Input Current	Approx. 400 mA @ 125 V
Inrush Current	10 A
Output Voltage	5.1 V DC
Output Current	0.3 – 3 A
Power Interruption Tolerance	≤ 1 ms
Protection Features	Overload & Overvoltage Protection
Fuse Rating	0.75 A Slow-Blow
Status Indicator	Green LED (PWR OK)
Power Dissipation	2 + (3 × Iout) W
Module Format	Standard
Dimensions (H×W×D)	Approx. 45 × 110 × 250 mm
Weight	Approx. 0.65 kg

This module provides regulated 5.1 V DC output with adjustable current up to 3A, ensuring stable PLC operation.

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Application Scenarios

The 140CPS51100C is widely applied in industrial sectors that rely on DC-powered automation systems:

Power generation and substation control systems
Oil & gas and petrochemical facilities
Transportation and infrastructure automation
Legacy industrial control systems
Manufacturing lines requiring stable DC supply

Key Advantages

The 140CPS51100C offers a unique combination of stability and simplicity. Its standalone design eliminates dependency on shared power architectures, reducing risk in critical systems.

Its ability to operate within a wide 100–150 V DC input range ensures adaptability to various industrial power environments. With precise 5.1 V DC output, it guarantees reliable operation of sensitive PLC electronics.

Additionally, built-in protection features safeguard both the module and connected equipment, while its fast recovery from power interruptions enhances system resilience.

Technical FAQs

What is the primary function of the 140CPS51100C?
It supplies regulated DC power to Modicon Quantum PLC systems.
What input voltage does it require?
It operates on 100–150 V DC, with a nominal input of 125 V DC.
What is the output specification?
The module provides 5.1 V DC with a current range of 0.3 to 3 A.
Is this a shared or standalone power supply?
It is a standalone power supply module.
Does it include protection mechanisms?
Yes, it includes overload and overvoltage protection.
What happens during a short power interruption?
It can tolerate interruptions up to 1 ms without affecting operation.
Is it suitable for modern systems?
It is mainly used in existing or legacy Quantum systems but remains highly reliable.
How can users monitor its status?
A built-in green LED indicates normal power operation (PWR OK).
Is this product still available?
It has been discontinued but is still supported and available through secondary markets.
What makes this module a reliable choice?
Its stable DC output, fast recovery, and robust protection design ensure long-term industrial performance.