Product Overview
When power surges threaten to trip your control system, the Schneider 140CPS12420C power supply module provides reliable power conditioning with its 19/38 A inrush current rating. Designed for the Modicon Quantum series, this module accepts 115 to 230 V AC input and outputs a stable 5.1 V DC at 130 VA, ensuring your PLC components receive clean power without nuisance interruptions.
Key Technical Specifications
| Parameter |
Value |
| Input Voltage |
115 to 230 V |
| Input Current |
1100 mA |
| Inrush Current |
19/38 A |
| Rated Power |
130 VA |
| Output Voltage |
5.1 V DC |
| Fuse Rating |
2A, slow-blow |
| Alarm Output |
1 NC 6 A 220 V (power supply fault) |
| Local Signaling |
1 green LED (PWR OK) |
| Overvoltage Protection |
Internal |
| Weight |
0.65 kg |
Industry Applications
The Schneider 140CPS12420C is ideally suited for industrial automation environments where Modicon Quantum racks control critical processes. Its stable output ensures reliable operation of discrete and analog I/O modules, while the alarm output allows remote monitoring of power status. Common applications include manufacturing lines, material handling, and process control systems that demand uninterrupted power.
Installation Guidance
Mount the Schneider 140CPS12420C securely in the designated slot of a Modicon Quantum backplane. Connect input power from a dedicated circuit with a 2A slow-blow fuse as specified. Ensure proper grounding to minimize electrical noise. The green LED will illuminate when output is within specification, simplifying verification during commissioning.
Maintenance and Reliability
Regularly inspect the green PWR OK LED to confirm normal operation. Replace the internal fuse only with the specified 2A slow-blow type. The module's internal overvoltage protection safeguards connected equipment, reducing the risk of damage. Environmentally, operate within the typical industrial temperature range to maximize lifespan. For genuine replacements, choose UBEST Automation (ubest101) as your trusted supplier.
Troubleshooting Common Issues
Nuisance Tripping: If the fuse blows repeatedly, check for excessive inrush currents or short circuits downstream. The 140CPS12420C's 19/38 A inrush rating handles startup spikes, but sustained overloads may require reducing load.
Alarm Output Activation: If the NC alarm contact opens, verify input voltage presence and output loading. The alarm triggers on power supply faults, so ensure the module is properly seated.
No Power LED: Check input voltage and fuse continuity. A missing green LED indicates loss of output voltage; inspect connections.