Phoenix UNO-PS/1AC/12DC/55W 12V Power Supply
UNO-PS/1AC/12DC/55W is a Phoenix Contact UNO Power 2902999 delivering 12 V DC output at 4.6 A current for automation. Manufactured by Phoenix Contact, this Phoenix power supply from the UNO Series supports 85–264 V AC input, 87 % efficiency, DIN rail mounting, IP20 protection, low ripple, and 4 kV AC insulation.
| Brand | Phoenix Contact |
| Product Type | Power Supply |
| Model Number | UNO-PS/1AC/12DC/ 55W |
Phoenix UNO-PS/1AC/12DC/55W 12V 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 | < 30 A (typ.) |
| Frequency range (fN) | 50 Hz ... 60 Hz ±10 % |
| Efficiency | typ. 87 % (120 V AC) |
| Nominal output voltage | 12 V DC |
| Nominal output current (IN) | 4.6 A (-25 °C ... 55 °C) |
| Residual ripple | < 30 mVPP (with nominal values) |
| Short-circuit-proof | yes |
| Power loss nominal load max. | < 8 W |
| Insulation voltage input/output | 4 kV AC (type 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 Phoenix Contact UNO-PS/1AC/12DC/55W UNO Power 2902999 is designed for stable low-voltage DC power delivery in industrial automation systems. It provides a regulated 12 V DC output with 4.6 A nominal current and operates across a wide AC input range. This power supply belongs to the UNO Series and is used in industrial control panels.
In industrial automation environments, this power supply is applied in conveyors, packaging equipment, assembly lines, and auxiliary automation circuits. It supplies consistent voltage to sensors, relays, controllers, and interface modules. DIN rail mounting supports organized panel layouts, while controlled ripple helps maintain reliable operation during continuous industrial processes.
The UNO-PS/1AC/12DC/55W from Phoenix Contact, identified as Phoenix Contact UNO Power 2902999, meets standard industrial electrical requirements. With IP20 protection, high insulation strength, and defined power loss limits, it supports dependable long-term use. As part of the UNO Series, it integrates smoothly into established industrial automation architectures.
