Many procurement teams check TRIO-PS-2G-3AC-24DC-20 against SMPS Phoenix, Phoenixcontact Essential Ps 1Ac 24Dc 240W Ee and Selec Power Supply before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Phoenix TRIO-PS-2G/3AC/24DC/20 Power Supply
The Phoenix TRIO-PS-2G/3AC/24DC/20 Power Supply (Item No: 2903155 ) offers a 3x 400 V AC ... 500 V AC nominal input voltage range, > 93 % (400 V AC) efficiency, 24 V DC ±1 % 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 | TRIO-PS-2G/3AC/24DC/20 |
Phoenix TRIO-PS-2G/3AC/24DC/20 Power Supply – Technical Specifications
| Specification | Value |
|---|---|
| Nominal input voltage range | 3x 400 V AC ... 500 V AC |
| Input voltage range | 3x 400 V AC ... 500 V AC -20 % ... +15 % |
| Inrush current | ≤ 22 A (typical) |
| Efficiency | > 93 % (400 V AC) |
| Nominal output voltage | 24 V DC ±1 % |
| Nominal output current (IN) | 20 A |
| Residual ripple | ≤ 20 mVPP |
| Short-circuit-proof | yes |
| Power loss nominal load max. | < 38 W (480 V AC) |
| Insulation voltage input/output | 3 kV AC (type test) |
| Mounting type | DIN rail mounting |
| 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 TRIO-PS-2G/3AC/24DC/20 (2903155) is a high-performance 20 Amp Power Supply designed for industrial automation and control systems. Built with precision engineering, this TRIO Power Supply ensures consistent 24V DC output for demanding applications. Its advanced design supports 3× 400–500V AC input with -20% to +15% tolerance, maintaining stable voltage even under fluctuating loads.
Tested to meet global EMC and safety standards, the Phoenix Contact 2903155 features efficiency greater than 93%, minimizing heat and energy loss. The TRIO PS 2G 3AC 24DC 20 provides a regulated 24V DC ±1% output with residual ripple ≤ 20 mVPP, ensuring clean power to PLCs, sensors, and actuators. With DIN-rail mounting and IP20 protection, this power supply ensures reliable operation in control panels and factory environments, delivering durability and trusted performance for automation engineers.
The Phoenix Contact TRIO Power Supply is widely used in industrial automation, process control, and electrical panel assembly. The TRIO-PS-2G/3AC/24DC/20 supports uninterrupted 24 V DC power to servo drives, PLCs, I/O modules, and relay banks. Its compact DIN-rail design enables easy integration into distribution boards and control panels of machine tools, packaging units, and assembly lines. Maintenance engineers trust its stability for long operating hours in OEM plants and automation projects that demand precision and uptime.
Procurement teams and electrical designers value the balance of performance, efficiency, and rugged design offered by this model. Whether for new machine builds or retrofits, the TRIO-PS-2G/3AC/24DC/20 (2903155 Phoenix) ensures long-term dependability and energy-efficient operation. It remains a preferred choice among Indian industrial buyers sourcing from trusted dealers and distributors for smart-factory applications requiring robust 24 V DC power solutions. This page serves as a reliable technical reference for engineers evaluating the Phoenix Contact TRIO Power Supply for automation and control systems.







