Phoenix QUINT4-PS/1AC/48DC/20 Power Supply
The Phoenix QUINT4-PS/1AC/48DC/20 Power Supply (Item No: 2904612 ) offers a 110 V DC ... 250 V DC -18 % ... +40 %input voltage range, typ. 95.2 % (120 V AC) efficiency, 48 V DC nominal output voltage, 20 A nominal output current. Manufactured by Phoenix under the Phoenix Power Supply category, this model belongs to the Phoenix QUINT Series.
| Brand | Phoenix Contact |
| Product Type | Quint Power Supply |
| Model Number | QUINT4-PS/1AC/48DC/20 |
Phoenix QUINT4-PS/1AC/48DC/20 Power Supply – Technical Specifications
| Specification | Value |
|---|---|
| Nominal input voltage range | 110 V DC ... 250 V DC |
| Input voltage range | 110 V DC ... 250 V DC -18 % ... +40 % |
| Inrush current | typ. 12 A (at 25 °C) |
| Frequency range (fN) | 50 Hz ... 60 Hz -10 % ... +10 % |
| Efficiency | typ. 95.2 % (120 V AC) |
| Nominal output voltage | 48 V DC |
| Nominal output current (IN) | 20 A |
| Residual ripple | < 50 mVPP (with nominal values) |
| Short-circuit-proof | yes |
| Power loss nominal load max. | < 51 W (120 V AC) |
| Insulation voltage input/output | 4 kV AC (type test) |
| Mounting type | DIN rail: 35 mm |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -25 °C ... 70 °C (> 60 °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 Contact QUINT4-PS/1AC/48DC/20 (Item No: 2904612) is a high-performance 48 VDC Power Supply built for demanding industrial automation and process control environments. It operates within a wide input range of 110 V DC to 250 V DC with a tolerance of −18% to +40%, ensuring consistent voltage stability even during line fluctuations. With a nominal output of 48 V DC and 20 A current capacity, it powers high-load applications with ease. A remarkable efficiency of 95.2% (at 120 V AC) minimizes energy losses, while a typical inrush current of 12 A allows for smooth, fault-free startup. The residual ripple stays below 50 mVPP, making this QUINT4-PS/1AC/48DC/20 suitable for sensitive automation systems and instrumentation.
Designed for durability, this Quint Power Supply features IP20 protection, 4 kV AC insulation, and a maximum power loss of 51 W under full load. It supports DIN rail (35 mm) mounting for quick installation and operates efficiently from −25 °C to +70 °C, with derating above 60 °C at 2.5% per K. The built-in short-circuit protection safeguards connected devices, and its compliance with EN 61000-6-1 and EN 61000-6-3 ensures electromagnetic compatibility in noise-prone industrial setups. These features make the Phoenix Contact 2904612 a reliable solution for modern automation plants.
Industrial engineers and maintenance professionals rely on the QUINT4-PS/1AC/48DC/20 for powering servo controllers, PLCs, distributed control modules, and sensor arrays in process industries, robotics, and packaging lines. Its high efficiency, compact design, and robust performance make it a preferred choice for both OEMs and retrofit projects. For engineers seeking a trusted 48 VDC Power Supply with long service life and safety compliance, this model offers outstanding dependability and stability under continuous operation.
To learn more about Phoenix Contact QUINT4-PS/1AC/48DC/20 and related power solutions, visit the Phoenix Contact brand page or the Phoenix SMPS product section for complete technical insights.
