In most procurement cycles, QT20-481 is considered with Weidmuller Power Supply, Cp10 241 Puls and SMPS Bihar, giving decision-makers confidence that they’ve chosen the most dependable component.
QT20.481 - Puls 48V Power Supply
The QT20.481 is a Puls 48V power supply delivering 480W output, 10A current, and 95.4% efficiency using 3-phase input. This Puls power supply belongs to the 3-phase series, supporting 3AC 380–480V input, 48–55V DC adjustable output, DIN rail mounting, and spring-clamp terminals for industrial automation use.
| Brand | Puls |
| Product Type | Power Supply |
| Model Number | QT20.481 |
Puls 48V Power Supply QT20.481 – Technical Specifications
| Specification | Value |
|---|---|
| AC Input voltage | AC 380 - 480 V (± 15 %) |
| Harmonic correction | active |
| Power factor | 0.94 |
| Input inrush current limitation | active |
| Input inrush current | 3 A |
| External input fuse recommendation | B-6 A / C-3 A |
| Nominal voltage | 48 Vdc |
| Adjustment range | 48 - 55 V |
| Output current range | 10 - 8.7 A |
| Output current | 8.7 A at 55 V |
| Output power | 480 W |
| Derating | 12 W/°C for >+60 °C |
| Ripple and noise voltage max. | 100 mVpp |
| Dimensions (WxHxD) | 65 mm x 124 mm x 127 mm |
| Weight per unit (excl. packaging) | 870 g |
| Mounting method | DIN rail |
| Operating temp. range | -25 °C to 70 °C |
| Connection method | Spring clamps |
| Efficiency, typ. | 95.4 % |
| Power losses, typ. | 23.1 W |
QT20.481 Puls 48V Power Supply is a regulated industrial DIN rail unit designed for stable DC power distribution. This Puls QT20.481 power supply delivers 48V DC output at 10A continuous current with 480W rated power and typical 95.4% efficiency. It operates on wide-range 3-phase AC input and is classified under the Puls 3-phase power supply series, commonly integrated into industrial automation control panels across India.
In industrial environments, the QT20.481 Puls 48V Power Supply is used in conveyors, packaging machines, automated assembly lines, and control cabinets. Its stable DC output supports PLCs, HMIs, sensors, and actuators without voltage fluctuation. The DIN rail mounting and spring-clamp connections simplify installation, while high efficiency reduces heat generation, supporting continuous operation in automation systems with limited panel space.
The QT20.481 from Puls combines defined electrical ratings with consistent operational behavior required in industrial automation. With controlled 48V DC output, high efficiency, and compatibility with 3-phase power infrastructure, this Puls power supply is suited for long-term industrial use. Engineers select the QT20.481 Puls 48V Power Supply when system reliability, thermal stability, and standardized DIN rail integration are required.
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