Schneider 140CPS21400C Power Supply

The 140CPS21400C supplies regulated DC power to Quantum PLC backplanes. This module converts 230V AC input into stable 5V and 24V outputs. Its rectangular frame measures 166 millimeters in width. The module height reaches 140 millimeters exactly. Depth stays at 115 millimeters. You will find this unit weighs approximately 1.15 kilograms. Therefore, installation requires sliding the unit into a dedicated Quantum rack slot. One front-accessible terminal block handles all input and output wiring.

Physical Layout and Connectors

The terminal block accepts wires up to 14 AWG gauge. Two screw terminals receive the AC input connection. Four more terminals deliver the regulated DC outputs. A green LED indicates power present on the module. A red LED lights up during overload or overvoltage conditions. Four mounting screws secure the unit firmly in the rack.

Technical Specifications

Parameter	Specification
Module Width	166 mm
Module Height	140 mm
Module Depth	115 mm
Unit Weight	1.15 kg
Input Voltage	230V AC (170–264V range)
Output Voltage 1	5V DC ±2%
Output Current 1	12A continuous
Output Voltage 2	24V DC ±3%
Output Current 2	3A continuous
Terminal Block	1 x front-accessible (14 AWG)
Component Total	198 discrete parts
Internal Energy Storage	6800 µF capacitor bank
Hold-up Time	30 ms at full load
Efficiency	83% typical
Operating Temperature	0°C to +60°C

Internal Design and Energy Storage

The 140CPS21400C contains exactly 198 discrete components inside. A 6800 microfarad capacitor bank stores energy for output smoothing. This bank provides 30 milliseconds of hold-up after input power loss. The module uses a switching topology for high efficiency. Dual independent regulators generate the 5V and 24V outputs separately. Built-in overcurrent protection shuts down faulty outputs automatically.

Operational Performance

This power supply module plugs directly into a Quantum PLC rack. It delivers 5V DC at 12 amperes for logic circuits. Moreover, the unit provides 24V DC at 3 amperes for field devices. You can replace the module without shutting down the entire rack. The unit includes thermal protection against excessive internal temperatures. Two status LEDs provide clear visual indication for troubleshooting. Consequently, you achieve reliable power distribution for large Quantum systems. Schneider designed this supply for continuous industrial operation. Its convection cooling requires no external fan.

In summary, the 140CPS21400C delivers robust backplane power. Use this module for Quantum rack installations or upgrades. It ensures stable voltage for all connected I/O cards. Order this power supply for your Schneider PLC system.