Procurement teams shortlist QUINT4-PS-1AC-12DC-2-5-PT with SMPS Phoenix, Selec Power Supply and Phoenixcontact Phoenix Contact Industrial Ethernet Switches, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Phoenix QUINT4-PS/1AC/12DC/2.5/PT Power Supply
The Phoenix QUINT4-PS/1AC/12DC/2.5/PT Power Supply (Item No: 2904605 ) offers a 110 V DC ... 250 V DC -20 % ... +40 %input voltage range, typ. 89.5 % (120 V AC) efficiency, 12 V DC nominal output voltage, 2.5 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/12DC/2.5/PT |
Phoenix QUINT4-PS/1AC/12DC/2.5/PT Power Supply โ Technical Specifications
| Specification | Value |
|---|---|
| Input voltage range | 110 V DC ... 250 V DC -20 % ... +40 % |
| Inrush current | typ. 11.3 A (at 25 ยฐC) |
| Frequency range (fN) | 50 Hz ... 60 Hz -10 % ... +10 % |
| Efficiency | typ. 89.5 % (120 V AC) |
| Nominal output voltage | 12 V DC |
| Nominal output current (IN) | 2.5 A |
| Residual ripple | < 30 mVPP (with nominal values) |
| Short-circuit-proof | yes |
| Power loss nominal load max. | < 3.5 W (120 V AC) |
| Insulation voltage input/output | 4 kV AC (type test) |
| Mounting type | DIN rail mounting |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -25 ยฐC ... 70 ยฐC (> 60 ยฐC 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/12DC/2.5/PT delivers a reliable 12 V DC output at 2.5 A, engineered to support sensitive automation loads such as sensors, relays, and analog signal converters. With an input range of 110 V DC to 250 V DC and tolerance from -20% to +40%, this unit accommodates varying supply conditions across factories and control systems. It operates with a typical inrush current of 11.3 A at 25ยฐC and maintains an efficiency of 89.5% at 120 V AC, providing cost-effective and energy-efficient performance. The residual ripple remains under 30 mVPP, minimizing electrical noise in precision circuits.
Its design includes short-circuit protection, DIN rail mounting, and 4 kV AC insulation between input and output, ensuring reliable safety margins. Certified under EN 61000-6-3 and EN 61000-6-1 EMC standards, it withstands interference and harsh operating conditions. This model operates flawlessly across ambient temperatures of -25ยฐC to +70ยฐC, with derating above 60ยฐC at 2.5%/K. With power loss under 3.5 W at nominal load, the Item No: 2904605 is trusted by engineers for high-reliability power delivery in critical low-voltage applications.
Youโll find the QUINT4-PS/1AC/12DC/2.5/PT integrated into process control panels, compact automation cabinets, HVAC systems, and remote I/O racks. Whether used for powering transducers, signal conditioning modules, or PLC analog inputs, it ensures consistent voltage stability with minimal maintenance. Industrial teams across sectors value its robust design and proven long-term performance. For additional models, visit the Phoenix SMPS series or brands on our Phoenix Contact brand page.







