140CPS12420 (Part Number: 140CPS12420) is a high-performance AC power supply for the Modicon Quantum platform. It provides 11 A to the backplane for stable operation of large racks with high-density I/O and communication modules.
The module supports standalone or redundant configurations, ensuring continuous operation in mission-critical systems. Built into a single-slot Quantum format, it features advanced diagnostics and a relay output for remote monitoring.
| Feature | Specification |
|---|---|
| Input Voltage | 115–230 V AC (manual switch) |
| Input Frequency | 47–63 Hz |
| Output Voltage | 5.1 V DC (backplane bus) |
| Total Output Current | 11 A |
| Redundancy | Supported (Summing or Standby modes) |
| Status Signaling | Green LED: Power OK |
| Relay Contact | 1 NC for fault signaling |
| Inrush Current | 38 A @115 V / 19 A @230 V |
| Power Dissipation | 30 W max |
| Isolation Voltage | 1500 Vrms, 60 s (Input to Ground) |
| Mounting | Standard Quantum slot (1 slot) |
| Net Weight | 0.65 kg |
Power plants
Oil refineries
Large-scale manufacturing lines
Hot Standby (HSBY) Quantum architectures
Redundancy: Requires two modules in a redundant-capable backplane; no software configuration needed
Internal Fuse: Present; external 2 A slow-blow fuse recommended
Power OK Relay: Opens if DC voltage drops, enabling external alarm or PLC input
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