QTD20.241 Puls DC/DC Converters

QTD20.241 on Powermatic Associates
Puls

Part#:QTD20.241

Manufacturer:Puls

Category:DC/DC Converters

Product Lifecycle:Active

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PULS QTD20.241 is a power supply unit (PSU) and DC/DC-Converter with a 25% power reserve, designed for DIN rail mounting. It operates within an ambient air temperature range of -25 to +70°C and features an intermediate DC-bus and galvanic isolation. The unit provides a rated current of 20A at 24Vdc, 17.5A at 28Vdc, and includes a 12W derating from +60°C to +70°C. Connection is facilitated through spring-clamp connections. As part of the Q-series, it measures W65mm x H124mm x D127mm and requires a supply voltage of 384Vdc to 672Vdc, with specific nominal voltages of 500Vdc, 575Vdc, and 600Vdc. The turn-ON voltage is 450Vdc, and the shutdown voltage is 325Vdc. The housing is made of aluminium, and it is designed for DC networks with a net width of 65 mm. The rated power is 480W at both 24Vdc and 28Vdc, with an adjustable output voltage of 24Vdc to 28Vdc and a 500mV turn-ON overshoot. Protection functions include output overvoltage protection, overload/short-circuit current protection, and resistance to back-feeding loads up to 34V. The unit boasts an efficiency of 0.95 at 600Vdc input, a peak current consumption of 3A, a 35s start-up delay, and rise times of 70ms and 110ms under specified conditions. The hold time is 22ms at 600Vdc input, with power dissipation/losses of 25.5W at full output load. Electrical durability is rated at various hours depending on the operating conditions, with a ripple of 100mVpp and an output stage capacitance of 950µF.

About the manufacturer: Puls is one of the manufacturers that offers DC/DC Converters that you can order at Powermatic Associates 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
  • Height
    124 mm
  • Width
    65 mm
  • Depth
    127 mm
  • Current Output
    20 A
  • Current Input
    0.85 A
  • Power
    480 W
  • Voltage Input
    600 VDC
  • Efficiency
    95 %

Product condition

New Factory Sealed

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



Related documents QTD20.241 Specs

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UBC10.241 on Powermatic Associates

UBC10.241

PULS UBC10.241 is an Uninterruptible Power Supply (UPS) control module within the U-series, featuring a built-in battery with a 50% power reserve and a green status LED. This module is housed in aluminium and utilizes spring-clamp connections for installation. It measures W123mm x H124mm x D119mm and operates on a supply voltage range of 22.5Vdc to 30Vdc, with a nominal 24Vdc. The rated current is 10A at 22.5Vdc and can reach up to 15A in buffer mode for less than 5 seconds at full output voltage. It supports DIN rail mounting and can operate in ambient air temperatures ranging from 0 to +40°C. The current consumption is 1.1A at a 24Vdc input, and it is designed for DC networks. Visual position indicators include Ready, Buffering, Inhibit, and Replace Battery. Protection functions include output overvoltage protection with a typical 32Vdc and a maximum of 35Vdc, and overload/short-circuit protection with a minimum of 17.9A and a maximum of 21A at load impedance. It is advised not to use the DC-UPS in parallel to increase output power, but paralleling two units for 1+1 redundancy is possible for higher system reliability. The output voltage is regulated at 22.5Vdc in buffer mode with a 23Vdc turn-ON. The efficiency is rated at 0.978 with a 24Vdc input, and the rated power is 360W at 24Vdc and 240W/360W in buffer mode. Power dissipation/losses are 2.9W with a 24Vdc input at 0A output current and 5.5W at 10A output current. Ripple is maintained at 20mVpp across a frequency range of 20Hz to 20MHz at 50Ω. The electrical durability is rated at 137400 hours at 40°C with a 10A output and 24Vdc input, equivalent to 15 years or 131400 hours at both 40°C with a 5A output and 25°C with a 10A output.

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