Before procurement teams confirm QT40-481, they typically review Weidmuller Power Supply, SMPS Bihar and Cp10 241 Puls to double-check performance ratings, stock availability, and supplier credibility carefully.
Puls QT40.481 Power Supply
The Puls QT40.481 Power Supply offers 48 Vdc, DIN rail Mounting Method, Screw terminals Connection Method, 17.8 A at 54 V output current. Manufactured by Puls under the Puls Power Supply category, this model belongs to the 3-phase system

| Brand | Puls |
| Product Type | Power Supply |
| Model Number | QT40.481 |
Puls QT40.481 Power Supply β Technical Specifications
| Specification | Value |
|---|---|
| AC Input voltage | AC 380 - 480 V (-15 %/+10 %) |
| Harmonic correction | active |
| Power factor | 0.92 |
| Input inrush current limitation | active |
| Input inrush current | 4.5 A |
| External input fuse recommendation | B-6 A / C-6 A |
| Nominal voltage | 48 Vdc |
| Adjustment range | 48 - 54 V |
| Output current range | 20 - 17.8 A |
| Output current | 17.8 A at 54 V |
| Output power | 960 W |
| Derating | 24 W/Β°C for +60 to +70 Β°C |
| Ripple and noise voltage max. | 150 mVpp |
| Dimensions (WxHxD) | 110 mm x 124 mm x 127 mm |
| Weight per unit (excl. packaging) | 1500 g |
| Mounting method | DIN rail |
| Operating temp. range | -25 Β°C to 70 Β°C |
| Connection method | Screw terminals |
| Efficiency, typ. | 95.4 % |
| Power losses, typ. | 46.3 W |
The Puls QT40.481 is a high-capacity SMPS from Puls, delivering a stable 48 Vdc output for demanding industrial automation systems. As part of the renowned Puls 3 Phase Power Supplies range, the QT40.481 combines efficiency, reliability, and durability to meet the power needs of PLCs, servo drives, and advanced control systems.
The Puls QT40.481 runs on a wide AC input voltage of 380β480 V (-15%/+10%) and uses active inrush current limitation for safe startup. It delivers a nominal 48 Vdc, adjustable up to 54 V, with output capacity of 20 A at 48 V and 17.8 A at 54 V, generating up to 960 W of continuous power. With an impressive 95.4% efficiency, a power factor of 0.92, and ripple limited to 150 mVpp, this SMPS ensures clean, efficient DC power for sensitive industrial equipment. Its compact dimensions (110 Γ 124 Γ 127 mm), robust 1.5 kg build, DIN rail mounting, and screw terminal connections simplify installation in heavy-duty panels. Designed for endurance, it operates from -25 Β°C to +70 Β°C, with derating of 24 W/Β°C above +60 Β°C, and maintains low power losses of 46.3 W, making it energy-efficient and reliable for continuous use.
Its ability to deliver nearly 1 kW of power makes it ideal for automotive plants, packaging machinery, robotics, and process industries where downtime must be minimized. Junior engineers appreciate its straightforward DIN rail integration, while senior plant engineers rely on its efficiency, protective design, and consistent performance under high loads. For industries demanding long-term stability and high-current delivery, the QT40.481 SMPS is a proven solution.
For engineers and buyers, the QT40.481 manual and QT40.481 datasheet provide complete technical guidance. Many also check the QT40.481 price during procurement, but the Puls QT40.481 is globally recognized for its durability, efficiency, and trusted performance. As part of the Puls 3 Phase Power Supplies family, it continues to be a preferred choice for automation engineers worldwide. With its high power output and superior efficiency, the Puls QT40.481 stands out as one of the most reliable SMPS solutions for industrial automation.




