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QT40.481 Puls AC/DC Power Supplies

Puls QT40.481 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.
Puls

Part#:QT40.481

Manufacturer:Puls

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 marketplace.quotebeam.com. 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

  • Current Output20 A
  • Power960 W
  • Phase3 Phase
  • Current Input1.65 A
  • Efficiency95.4 %
  • Width110 mm
  • Height124 mm
  • Depth127 mm
  • UL File No.E198865

Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging



Related documents QT40.481 Specs

1-year warranty

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Puls Disclaimer:

The product is unused surplus. Quotebeam is not an authorized surplus dealer or affiliate for the Manufacturer of this product. Products may feature older date codes or be from an earlier series than what is currently available from the manufacturer or authorized dealers. Because Quotebeam is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Puls Controls products will have firmware already installed, Quotebeam makes no representation as to whether a Controls product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Quotebeam also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Puls, its distributors, or any other source. Quotebeam also makes no representations as to your right to install any such firmware on the product. Quotebeam will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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PULS QT40.241 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 DC-OK relay contact output and offers rated currents of 40A at 24Vdc and 34.3A at 28Vdc, with a power derating from 24W at +60°C to +70°C. Connection is facilitated through screw-clamp connections. The supply voltage accommodates a wide range of AC inputs from 323Vac to 576Vac, including nominal values of 380Vac, 400Vac, 415Vac, 440Vac, 480Vac, 500Vac, and 525Vac at 47-63Hz, with a 3-phase input. It has a turn-ON voltage of 3 x 305Vac and a shutdown voltage of 3 x 275Vac in steady-state conditions. The QT40.241, part of the Q-series, measures 110mm in width, 124mm in height, and 127mm in depth, and is housed in aluminium. It is designed for a 3-phase network, with a net width of 110mm. The rated power is 960W at both 24Vdc and 28Vdc, with a short-term capacity of 1440W for up to 4 seconds. The output voltage is adjustable between 24Vdc and 28Vdc, with a turn-ON overshoot of 500mV. Protection functions include output overvoltage protection, active input inrush current limiting, and overload/short-circuit protection. It supports series or parallel operation for increased output power and is resistant to back-feeding loads up to 35V. The efficiency rates are 0.952 and 0.953 for 3x480Vac and 3x400Vac inputs, respectively. Peak inrush current consumption is 6A for both 3x400Vac and 3x480Vac inputs. The start-up delay ranges from 500 to 600 seconds, with rise times of 35ms and 40ms under nominal input conditions. The hold time is 25ms for both 3x480Vac and 3x400Vac inputs. Power dissipation losses are 48.4W and 47.3W for 3x480Vac and 3x400Vac inputs, respectively, at full output load. Electrical durability varies with temperature and load conditions, offering up to 322,000 hours of operation at 25°C and 20A output under 3AC 400Vac input. The ripple is 100mVpp across a 20Hz to 20MHz range, with an output stage capacitance of 10200µF.

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