The Schneider Electric Modicon Quantum 140CPS11420 AC Power Supply is a backplane-fed module that can operate in summable or standalone configurations to deliver a regulated 5 VDC bus to the Quantum CPU and I/O modules, outputting up to 11 A at 5 V. It accepts 115 VAC or 230 VAC input (nominal ranges 93–132 VAC or 170–264 VAC) at 47–63 Hz, uses a 2.0 A slo-blo fuse (Modicon part 57-00089-000 or equivalent), and employs a 7-point terminal connector for wiring. The 140CPS11420 is listed by Schneider Electric as discontinued as of December 31, 2025.
