phoenix STEP3-PS Series – Compact Power Supplies for Control Cabinets
The phoenix STEP3-PS Series is designed for small automation and building technology applications.
These compact DIN rail power supplies provide reliable 5 V, 12 V, 15 V, and 24 V DC outputs with high efficiency and minimal power loss, making them ideal for PLCs, sensors, and compact control systems.
1. Product Table
| Part Number | Model | Description |
|---|---|---|
| 1170954 | STEP3-PS/1AC/5DC/3/PT | Single-phase power supply, 5 V DC output, 3 A, 1×230 V AC input. |
| 1088478 | STEP3-PS/1AC/24DC/5/PT | Single-phase power supply, 24 V DC output, 5 A, compact design. |
| 1140066 | STEP3-PS/1AC/24DC/4/PT | 24 V DC output, 4 A, energy-efficient design with push-in connection. |
| 1285036 | STEP3-PS/1AC/24DC/3.75/PT/LED | 24 V DC / 3.75 A, LED version with visual status indication. |
| 1088491 | STEP3-PS/1AC/24DC/2.5/PT | Single-phase supply, 24 V DC / 2.5 A, space-saving type. |
| 1088494 | STEP3-PS/1AC/24DC/1.3/PT | 24 V DC output, 1.3 A, compact width for limited space. |
| 1088495 | STEP3-PS/1AC/24DC/0.63/PT | 24 V DC output, 0.63 A, suitable for low-power devices. |
| 1170956 | STEP3-PS/1AC/15DC/4/PT | 15 V DC output, 4 A, suitable for control electronics. |
| 1170955 | STEP3-PS/1AC/12DC/5/PT | 12 V DC output, 5 A, for sensors and low-voltage devices. |
| 1170953 | STEP3-PS/1AC/12DC/2.5/PT | 12 V DC output, 2.5 A, energy-efficient and compact. |
| 1170952 | STEP3-PS/1AC/12DC/1.3/PT | 12 V DC output, 1.3 A, ideal for small automation systems. |
2. Technical Highlights
| Feature | Specification |
|---|---|
| Input Voltage | 85–264 V AC (single-phase) |
| Output Voltage | 5 V, 12 V, 15 V, or 24 V DC |
| Output Current Range | 0.63 A to 5 A |
| Efficiency | Up to 91% |
| Connection Type | Push-in (PT) terminal connection |
| Mounting Type | DIN rail (EN 60715) |
| Cooling | Convection cooling |
| Protection | Short-circuit, overload, and overvoltage protection |
| Certifications | CE, UL, CSA, and IEC 60950 |
3. Advantages
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Compact size for small enclosures or control boxes
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Push-in connection for quick and secure wiring
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LED indicators (LED versions) for operational status
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High efficiency and low heat dissipation
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Wide input range supports global use
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Reliable 24/7 operation in automation and building systems
4. Typical Applications
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Compact control panels
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Building automation systems
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PLC, sensor, and relay circuits
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Measurement and control equipment
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Machine and device power distribution
phoenix STEP3-PS Series – Compact Power Supplies for Control Cabinets
Created on：2025-11-12 11:58
