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QS20.481 Puls AC/DC Power Supplies

Puls QS20.481 PULS QS20.481 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It features DIN rail mounting and operates within an ambient air temperature range of -25 to +70°C. The unit is equipped with a DC-OK relay contact output and offers a rated current of 10A at 48Vdc and 8.7A at 55Vdc, with a power derating from 12W at +60°C to +70°C. Connection is facilitated through spring-clamp connections. The supply voltage ranges from 85Vac to 264Vac for AC input and 88Vdc to 188Vdc for DC input, supporting various nominal voltages and featuring specific turn-on and shutdown voltages. Housed in an aluminium casing, it is suitable for single-phase (1AC) or DC networks, with dimensions of W82mm x H124mm x D127mm. The rated power is 480W, with a short-term capacity of 720W for up to 4 seconds. Output voltage is adjustable between 48Vdc and 55Vdc. Protection functions include output overvoltage protection and overload/short-circuit protection, with capabilities for series or parallel operation for increased output power. Efficiency rates vary with input voltage, and the unit exhibits specific current consumption, time delay, hold time, power dissipation/losses, and electrical durability metrics. Ripple is maintained at 100mVpp, and the output stage capacitance is 3100 µF.
Puls

Part#:QS20.481

Manufacturer:Puls

Product Lifecycle:Active

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PULS QS20.481 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It features DIN rail mounting and operates within an ambient air temperature range of -25 to +70°C. The unit is equipped with a DC-OK relay contact output and offers a rated current of 10A at 48Vdc and 8.7A at 55Vdc, with a power derating from 12W at +60°C to +70°C. Connection is facilitated through spring-clamp connections. The supply voltage ranges from 85Vac to 264Vac for AC input and 88Vdc to 188Vdc for DC input, supporting various nominal voltages and featuring specific turn-on and shutdown voltages. Housed in an aluminium casing, it is suitable for single-phase (1AC) or DC networks, with dimensions of W82mm x H124mm x D127mm. The rated power is 480W, with a short-term capacity of 720W for up to 4 seconds. Output voltage is adjustable between 48Vdc and 55Vdc. Protection functions include output overvoltage protection and overload/short-circuit protection, with capabilities for series or parallel operation for increased output power. Efficiency rates vary with input voltage, and the unit exhibits specific current consumption, time delay, hold time, power dissipation/losses, and electrical durability metrics. Ripple is maintained at 100mVpp, and the output stage capacitance is 3100 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 Output10 A
  • Power480 W
  • Phase1 Phase
  • Current Input4.56 A
  • Efficiency94.3 %
  • Width82 mm
  • Height124 mm
  • Depth127 mm
  • UL File No.E198865

Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging

Related documents QS20.481 Specs

QS20.481 Datasheet

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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QS20.244 Part Image. Manufactured by Puls.

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