Phoenix STEP-PS/ 1AC/24DC/3.8/C2LPS Power Supply
The Phoenix STEP-PS/ 1AC/24DC/3.8/C2LPS Power Supply (Item No: 2868677 ) offers a 85 V AC ... 264 V AC input voltage range, > 88 % (for 230 V AC and nominal values) efficiency, 24 V DC nominal output voltage, 3.8 A (-25 °C ... 55 °C) nominal output current. Manufactured by Phoenix under the Phoenix Power Supply category, this model belongs to the Phoenix STEP Series.
| Brand | Phoenix Contact |
| Product Type | Power Supply |
| Model Number | STEP-PS/ 1AC/24DC/3.8/C2LPS |
Phoenix STEP-PS/ 1AC/24DC/3.8/C2LPS Power Supply – Technical Specifications
| Specification | Value |
|---|---|
| Nominal input voltage range | 100 V AC ... 240 V AC |
| Input voltage range | 85 V AC ... 264 V AC |
| Inrush current | < 15 A (typical) |
| Efficiency | > 88 % (for 230 V AC and nominal values) |
| Nominal output voltage | 24 V DC |
| Nominal output current (IN) | 3.8 A (-25 °C ... 55 °C) |
| Residual ripple | < 80 mVPP (20 MHz) |
| Power loss nominal load max. | 11.8 W |
| Insulation voltage input/output | 4 kV AC (type test) |
| Mounting type | DIN rail mounting |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -25 °C ... 70 °C (> 55° C derating : 2.5%/K) |
| EMC requirements for noise emission | EN 61000-6-3 |
| EMC requirements for noise immunity | EN 61000-6-1 |
The Phoenix STEP Power Supply STEP-PS/1AC/24DC/3.8/C2LPS (Item No: 2868677) is a high-efficiency primary switched-mode power supply engineered for use in low-voltage industrial systems. It supports a wide input voltage range from 85 V AC to 264 V AC, covering both standard and fluctuating supply conditions. With a nominal output voltage of 24 V DC and a continuous output current of 3.8 A, this model ensures a stable power source even during demanding operations. The design includes an inrush current below 15 A and excellent energy efficiency exceeding 88% at 230 V AC, helping reduce heat generation and energy consumption. The residual ripple is kept under 80 mVPP, making it suitable for powering sensitive control equipment and PLCs. Protection features include a high insulation voltage of 4 kV AC, short-circuit-proof design, and adherence to stringent EMC standards—EN 61000-6-1 and EN 61000-6-3—ensuring noise immunity and safe operation in electrically noisy environments. With DIN rail mounting and IP20-rated housing, this unit fits seamlessly into compact control cabinets. It performs reliably in ambient temperatures ranging from -25 °C to 70 °C, with controlled derating above 55 °C.
This power supply is ideal for powering industrial control circuits, field-level devices, and decentralized I/O systems in factory automation setups. Maintenance engineers can confidently use it in electrical panels, where stable 24 V DC power is essential for actuators, relays, and monitoring systems. It is also well-suited for energy management systems, building automation controls, and industrial communication modules. Students and junior technicians will find it easy to work with due to its simple installation and well-documented performance. Whether you’re upgrading a legacy panel or setting up new automation lines, the STEP-PS/1AC/24DC/3.8/C2LPS delivers trusted performance with low noise, compact design, and high availability.
For buyers seeking a robust and efficient 24 V 3.8 A STEP Power Supply for industrial or automation use, the Phoenix Contact STEP-PS/1AC/24DC/3.8/C2LPS (Item No: 2868677) is a dependable choice. View the official product page here. Secondary Keywords: 24V 3.8A Power Supply, Phoenix STEP-PS Series, DIN Rail PSU 2868677, Industrial Power Supply 24V.
