Phoenix STEP-PS/ 1AC/24DC/1.75 Power Supply
The Phoenix STEP-PS/ 1AC/24DC/1.75 Power Supply (Item No: 2868648 ) offers a 85 V AC ... 264 V AC input voltage range, > 89 % (for 230 V AC and nominal values) efficiency, 24 V DC nominal output voltage, 1.75 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/1.75 |
Phoenix STEP-PS/ 1AC/24DC/1.75 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 | > 89 % (for 230 V AC and nominal values) |
| Nominal output voltage | 24 V DC |
| Nominal output current (IN) | 1.75 A (-25 °C ... 55 °C) |
| Residual ripple | < 60 mVPP (20 MHz) |
| Short-circuit-proof | yes |
| Power loss nominal load max. | 5 W |
| Insulation voltage input/output | 3.75 kV AC (routine 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 Phoenixcontact STEP-PS/1AC/24DC/1.75 (Item No: 2868648) is a compact, high-efficiency Power Supply 24VDC engineered for consistent DC output in demanding automation systems. It supports an input voltage range of 85 V AC to 264 V AC and delivers a stable 24 V DC at 1.75 A with > 89 % efficiency at 230 V AC, minimizing heat generation and energy loss. The phoenix contact 2868648 features 3.75 kV AC insulation, IP20 protection, and short-circuit-proof circuitry to ensure operator safety and system stability. With residual ripple below 60 mVPP and power loss under 5 W, it maintains clean voltage output essential for PLCs, I/O modules, and industrial sensors. Designed for DIN rail mounting and ambient temperatures ranging from -25 °C to 70 °C (with 2.5 %/K derating above 55 °C), the step-ps-1ac-24dc-1-75-2868648 demonstrates long-term durability and consistent performance across industrial environments.
In real-world applications, the phoenix contact step power 24v 1.75A is used to power control loops, signal transmitters, safety relays, and compact automation devices that demand precise and steady DC power. Its efficient design saves cabinet space and simplifies installation for engineers working on retrofitting or OEM projects. Maintenance teams value the product for its low thermal rise and resilience under fluctuating supply conditions, making it a dependable choice in manufacturing plants and process control systems. The phoenix step power 24v series continues to represent engineering precision and energy efficiency, providing clean, safe, and reliable power distribution for industrial applications. For further technical details and datasheets, refer to the manufacturer’s official page for STEP-PS/1AC/24DC/1.75 (Item No: 2868648).
