Phoenix STEP3-PS/1AC/24DC/1.3/PT Power Supply
The Phoenix STEP3-PS/1AC/24DC/1.3/PT Power Supply (Item No: 1088494 ) offers a 110 V DC ... 250 V DC -20 % ... +40 % input voltage range, > 87.5 % (120 V AC) efficiency, 24 V DC nominal output voltage, 1.3 A 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 | STEP3-PS/1AC/24DC/1.3/PT |
Phoenix STEP3-PS/1AC/24DC/1.3/PT Power Supply – Technical Specifications
| Specification | Value |
|---|---|
| Input voltage range | 110 V DC ... 250 V DC -20 % ... +40 % |
| Inrush current | typ. 22 A |
| Efficiency | > 87.5 % (120 V AC) |
| Nominal output voltage | 24 V DC |
| Nominal output current (IN) | 1.3 A |
| Residual ripple | typ. 100 mVPP |
| Short-circuit-proof | yes |
| Power loss nominal load max. | < 3.9 W (230 V AC) |
| Insulation voltage input/output | 4 kV AC (type test) |
| Mounting type | DIN rail or direct mounting |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -10 °C ... 70 °C (Derating: > 50 °C; 2 %/K) |
| Frequency range (fN) | 50 Hz ... 60 Hz ±10 % |
The Phoenix Contact STEP3-PS/1AC/24DC/1.3/PT (Item No: 1088494) is a compact 24 Volt AC Power Supply designed for industrial automation. This phoenix step power 24V model delivers 24 V DC at 1.3 A with exceptional efficiency above 87.5% at 120 V AC. It supports a wide input range of 110 V DC to 250 V DC (-20% to +40%) and provides reinforced 4 kV AC insulation between input and output. Short-circuit-proof and thermally stable, it maintains low residual ripple of 100 mVPP and minimal power loss below 3.9 W. With IP20 protection, DIN rail compatibility, and an ambient operating range of -10 °C to +70 °C, the STEP3-PS-1AC-24DC-1-3-PT-1088494 ensures safety, reliability, and longevity in demanding automation environments.
Engineers widely prefer the STEP Power Supply for powering control circuits, PLCs, sensor arrays, and relay boards in modern manufacturing systems. The STEP3-PS/1AC/24DC/1.3/PT ensures efficient energy use and simplified installation in control cabinets used across packaging, automation, and machine-building sectors. Maintenance engineers benefit from its consistent output under varying loads, while engineering students studying automation gain valuable exposure to practical power supply design and performance characteristics. Its compact design, high safety margin, and dependable 24 Volt AC Power Supply output make it an essential component for control panels requiring precision and reliability in every operation.
For industrial buyers seeking verified details, technical reliability, and expert-grade specifications, the STEP3-PS-1AC-24DC-1-3-PT-1088494 by Phoenix Contact stands as a proven choice. Its advanced insulation, thermal stability, and wide operating voltage range make it one of the most dependable solutions for compact automation systems. For more insights and detailed documentation, refer to the official Phoenix Contact page for STEP3-PS/1AC/24DC/1.3/PT (Item No: 1088494).







