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The CP-E 24/2.5 is a compact DIN-rail mounted switch-mode power supply in ABB's CP-E series, providing a 24 V DC output at 2.5 A (60 W). It accepts a wide-range AC input from 85 VAC up to 264 VAC (universal 100–240 VAC) or DC input from 90 V to 375 V. The output voltage is adjustable between 24 V and 28 V DC to compensate for voltage drop or special loads. This power supply features a robust design with power factor correction and high efficiency (~88%), ensuring low heat dissipation. It includes comprehensive protections: short-circuit protection (fold-forward characteristic), overload protection, and over-voltage protection, thus safeguarding itself and the powered devices. A "DC OK" signal (transistor output or LED indicator) is provided for monitoring the health of the output. The CP-E 24/2.5 can be connected in parallel with another identical unit for redundancy or higher power (thanks to an output characteristic supporting current sharing). The unit's form factor is slim (approx. 55 mm width) for easy installation in control panels. It operates in temperatures roughly –25 °C to +70 °C (with derating above +40 °C). This CP-E series PSU is ideal for reliably powering PLCs, HMIs, sensors, and other 24 V control devices in industrial automation systems, with safety approvals and EMC compliance for global use.
| AC Input Range | 85–264 VAC, 50/60 Hz (universal input) |
| DC Input Range | 90–375 V DC (alternative DC supply input) |
| Output Voltage | 24 V DC nominal (adj. 24–28 V via potentiometer) |
| Output Current | 2.5 A continuous (60 W output) |
| Efficiency | ~88% (at full load 230 VAC input) |
| Protection | Overload/short-circuit: current limiting (foldback); Over-voltage: internal crowbar; Over-temperature shutdown |
| Status Indicator | Green LED for DC OK; DC OK signal output (24 V, 20 mA transistor) for monitoring |
| Parallel Operation | Yes – configurable for parallel redundancy or power boost (switch selectable U/I characteristic) |
| Isolation | Input to output: 3 kVAC; Input to ground: 1.5 kVAC (designed to EN 60950/61010) |
| Ambient Temp | –25 °C to +70 °C (derating > +55 °C) |
| Mounting | DIN rail (35 mm) – width ~55 mm, height ~90 mm, depth ~110 mm |
| Certifications | CE, cULus listed, IEC/EN 61204-3 EMC Class B, UL 508, CSA 22.2 (Industrial Control Equipment) |
