Phoenix TRIO3-PS/1AC/24DC/20/CO Power Supply
The Phoenix TRIO3-PS/1AC/24DC/20/CO Power Supply (Item No: 1523020 ) offers a 100 V AC ... 240 V AC nominal input voltage range, typ. 93.8 % (120 V AC) efficiency, 24 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 TRIO Series.
| Brand | Phoenix Contact |
| Product Type | Power Supply |
| Model Number | TRIO3-PS/1AC/24DC/20/CO |
Phoenix TRIO3-PS/1AC/24DC/20/CO Power Supply – Technical Specifications
| Specification | Value |
|---|---|
| Nominal input voltage range | 100 V AC ... 240 V AC |
| Input voltage range | 100 V DC ... 240 V DC ±10 % |
| Inrush current | < 21 A (25 °C) |
| Efficiency | typ. 93.8 % (120 V AC) |
| Nominal output voltage | 24 V DC |
| Nominal output current (IN) | 20 A |
| Residual ripple | typ. 50 mVPP (with nominal values) |
| Short-circuit-proof | yes |
| Power loss nominal load max. | < 26.72 W (230 V AC) |
| Insulation voltage input/output | 5.3 kV DC (type test) |
| Mounting type | DIN rail mounting |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -25 °C ... 70 °C (> 60 °C Derating: 2,5 %/K) |
| Frequency range (fN) | 50 Hz ... 60 Hz ±10 % |
The Phoenix model TRIO3-PS/1AC/24DC/20/CO, Item No. 1523020, delivers a powerful 24 V DC output at 20 A, built specifically to support energy-demanding control systems, PLCs, sensors, and automation equipment. It operates across a wide input voltage range of 100 V AC to 240 V AC and tolerates 100 V DC to 240 V DC ±10%, offering seamless adaptability in AC/DC applications. Its high efficiency of 93.8% (120 V AC) reduces power loss and heat generation inside control panels, making it an energy-saving asset in continuous operations. The inrush current is controlled below 21 A, ensuring protection for connected devices during start-up. It also boasts short-circuit protection and residual ripple under 50 mVPP to maintain a stable and clean output voltage, critical for precision electronics. With a 5.3 kV DC insulation voltage between input and output, it ensures reliable isolation and safety in industrial-grade applications.
Built for long-term performance, this DIN rail-mounted power supply features an IP20 enclosure that protects internal circuits in dust-free environments and complies with stringent safety standards. The unit performs optimally in a wide ambient temperature range from -25 °C to 70 °C, with a smart derating function above 60 °C that prevents overheating. With its power loss capped at 26.72 W under nominal load, it contributes to reduced energy consumption and improved panel thermal design. Maintenance engineers and electrical designers trust this model for its predictable performance, efficient space usage, and adherence to global standards.
The Phoenix TRIO3-PS/1AC/24DC/20/CO (Item No: 1523020) is ideal for use in process control panels, bottling machinery, material handling systems, robotic cells, and factory automation panels. It’s commonly chosen for supporting multiple loads such as relays, solenoids, IO modules, HMI units, and industrial controllers in compact electrical cabinets. With quick installation via DIN rail mounting and consistent voltage regulation across fluctuating supply conditions, it ensures operational continuity and equipment safety. Designed for reliability in the toughest factory settings, this 20A 24V DC power supply is a smart choice for OEMs and industrial maintenance teams seeking scalable, high-current solutions.
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