QT40.481 Puls AC/DC Power Supplies

QT40.481 on Advantage Electric Supply
Puls

Part#:QT40.481

Manufacturer:Puls

Category:AC/DC Power Supplies

Product Lifecycle:Active

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PULS QT40.481 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It supports DIN rail mounting and operates within an ambient air temperature range of -25 to +70°C. This unit features a design that includes a 50% power reserve and a DC-OK relay contact output. It offers a rated current of 20A at 48Vdc and 17.8A at 54Vdc, with a power derating applicable from 24W at +60°C to +70°C. The QT40.481 utilizes screw-clamp connections for its inputs and outputs and is designed to work with a supply voltage (AC) ranging from 323Vac to 576Vac across various nominal voltages, accommodating a wide range of 3-phase inputs. It belongs to the Q-series and is housed in an aluminium casing with dimensions of W110mm x H124mm x D127mm. This unit is compatible with 3-phase networks and has a net width of 110 mm. Its rated power is 960W at both 48Vdc and 54Vdc, with a short-term capacity of 1440W for up to 4 seconds. The output voltage is adjustable between 48Vdc and 54Vdc. Protection features include output overvoltage protection and active input inrush current limiting, with overload and short-circuit protection ensuring operational stability. The QT40.481 supports series or parallel operation for increased output power and is resistant to back-feeding loads up to 63V. It boasts high efficiency rates of 0.952 and 0.954 for 3x480Vac and 3x400Vac inputs, respectively. Peak inrush current consumption is capped at 6A for both 3x400Vac and 3x480Vac inputs. The unit exhibits a start-up delay of 500-600s and rise times of 23ms and 47ms under specified conditions, with a hold time of 25ms. Power dissipation losses are noted at 48.4W and 46.3W for full output loads at 3x480Vac and 3x400Vac inputs, respectively. Its electrical durability spans up to 324000 hours at 25°C and 10A output for a 3AC 400Vac input, with varying durability at different temperatures and outputs. The ripple is specified at 150mVpp across a 20Hz to 20MHz range, and the output stage capacitance is 3700 µF.

About the manufacturer: Puls is one of the manufacturers that offers AC/DC Power Supplies that you can order at Advantage Electric Supply site. Puls specializes in AC/DC power supplies, dedicating its efforts solely to the development of premium DIN rail power supplies. As a leading authority in power conversion, Puls distinguishes itself through focused engineering and an unwavering commitment to quality, positioning itself as the top leader in the field. This dedication ensures the highest standard in the industry, reflecting in every product they offer.

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Product Details

  • UL File No.
    E198865
  • Phase
    3 Phase
  • Height
    124 mm
  • Width
    110 mm
  • Depth
    127 mm
  • Current Output
    20 A
  • Current Input
    1.65 A
  • Power
    960 W
  • Efficiency
    95.4 %

Product condition

New Factory Sealed

New Factory Sealed - New condition, never used, original OEM part with original packaging and factory seal.



Related documents QT40.481 Specs

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QS10.301

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PULS QS10.301 is a power supply unit designed for DIN rail mounting, featuring AC/DC conversion capabilities with a 50% power reserve. It operates within an ambient air temperature range of -25 to +70°C and offers a design that includes a DC-OK relay contact output. The unit provides a rated current of 8.6A at 28Vdc, 8A at 30Vdc, and 7.5A at 32Vdc, with spring-clamp connections for secure attachment. It supports a supply voltage range of 85Vac-264Vac for AC and 88Vdc-188Vdc for DC, accommodating various network types including single-phase (1AC) or DC. The QS10.301 is housed in an aluminium casing, measuring 60mm in width, 124mm in height, and 117mm in depth. It delivers an adjustable output voltage of 28Vdc-32Vdc, with a rated power of 240W and a short-term capacity of 360W for up to 4 seconds. Protection features include output overvoltage protection and active input inrush current limiting, with overload and short-circuit protection ensuring operational stability. The unit is designed for series or parallel operation to increase output power, with a high efficiency of up to 0.935 depending on the input voltage. It exhibits a peak current consumption of 10A, a start-up delay of 340-800ms, and a hold time of 23ms at 230Vac input. Power dissipation is noted at 16.7W for 230Vac input under full load. The QS10.301 demonstrates electrical durability with operational lifespans ranging up to 200,000 hours under specific conditions, and features a ripple of 50mVpp across a wide frequency range, with an output stage capacitance of 7000µF.

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