Phoenix STEP3-PS/1AC/5DC/3/PT/USB-C Power Supply
The Phoenix STEP3-PS/1AC/5DC/3/PT/USB-C Power Supply (Item No: 1335698 ) offers a 110 V DC ... 250 V DC -20 % ... +10 % input voltage range, > 81.5 % (120 V AC) efficiency, 5 V DC nominal output voltage, 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/5DC/3/PT/USB-C |
Phoenix STEP3-PS/1AC/5DC/3/PT/USB-C Power Supply – Technical Specifications
| Specification | Value |
|---|---|
| Input voltage range | 110 V DC ... 250 V DC -20 % ... +10 % |
| Inrush current | typ. 30 A (25 °C) |
| Efficiency | > 81.5 % (120 V AC) |
| Nominal output voltage | 5 V DC |
| Nominal output current (IN) | 3 A |
| Residual ripple | typ. 80 mVPP |
| Short-circuit-proof | yes |
| Power loss nominal load max. | < 3.2 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 % |
Phoenix Contact STEP3-PS/1AC/5DC/3/PT/USB-C (Item No: 1335698) delivers a stable 5 V DC output at 3 A, with USB-C connectivity, making it ideal for modern industrial power demands. Its wide input voltage range of 110 V DC to 250 V DC (-20% to +10%) ensures flexibility across various systems. With a high conversion efficiency of over 81.5% at 120 V AC, this model offers low power loss (< 3.2 W at 230 V AC), and supports robust operations through short-circuit protection and 4 kV AC insulation voltage. The typical residual ripple of just 80 mVPP ensures clean and stable output, making it safe for sensitive electronic loads. The power supply operates reliably across a wide ambient temperature range of -10 °C to 70 °C with intelligent derating beyond 50 °C (2%/K). Built to last, it meets EMC emission and immunity standards EN 61000-6-3 and EN 61000-6-1, with DIN rail or direct mounting options and IP20 protection rating.
This USB-C enabled STEP Power Supply supports new-generation industrial devices such as edge controllers, protocol converters, HMIs, IIoT gateways, and embedded boards requiring 5 V regulated power through modern connectors. Ideal for control cabinets with limited space, it eliminates the need for additional adaptors or converters. Junior and senior engineers alike will appreciate the ease of integration and compact footprint, especially in retrofit or digitally upgraded systems. Maintenance professionals can count on its long-term reliability and consistent performance in continuous duty operations.
Engineered for future-ready industrial applications, the Phoenix STEP3-PS/1AC/5DC/3/PT/USB-C (Item No: 1335698) is a trusted choice for precision-driven projects. View official product page on Phoenix Contact. Keywords: USB-C STEP Power Supply, 5V 3A DIN Rail Power Supply, Phoenix Contact USB-C Power, Industrial Control Power Supply.







