XT40.481 Puls AC/DC Power Supplies

XT40.481 on Advantage Electric Supply
Puls

Part#:XT40.481

Manufacturer:Puls

Category:AC/DC Power Supplies

Product Lifecycle:Active

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PULS XT40.481 is a power supply unit part of the X-series, designed to function as an AC/DC PSU/converter with a semi-regulated 25% power reserve and a DC-OK relay contact output. It operates on a supply voltage of 3x360-440Vac (380Vac / 400Vac / 415Vac nominal; 47-63Hz), with a turn-ON voltage of 3 x 325Vac and a shutdown voltage of 3 x 295Vac. The unit is housed in aluminium, featuring screw-clamp connections for secure installation and is designed for DIN rail mounting. It supports a 3-phase (3AC) network type and can operate within an ambient air temperature range of -25 to +70°C. The XT40.481 has a net width of 96mm and dimensions of W96mm x H124mm x D159mm. It is rated for a current of 20A at 48Vdc, with a peak inrush current consumption of 4A (at 3x400Vac input). The rated power is 960W at 48Vdc, with a derating to 24W between +60°C and +70°C, and can momentarily support up to 1200W for approximately 15 seconds. Protection features include output overvoltage protection (57.2Vdc max.), active input inrush current limiter, and overload/short-circuit current protection, typically 90A at load impedance. It is not designed for series or parallel operation to increase output power but supports 1+1 redundancy for higher system reliability. The unit is resistant to back-feeding loads up to 55.1V. It boasts an efficiency of 0.96 (at 3x400Vac input), with a 400ms start-up delay, a rise time of 40ms (at nominal input with 0mF load capacitance) to 70ms (with 20mF load capacitance), and a fixed output voltage of 48Vdc with a 1V turn-ON overshoot. The hold time is 3.1ms at 3x400Vdc input, with power dissipation/losses at 40W (full output load). Its electrical durability is rated at 77000 hours (at 40°C; 20A output; 3AC 400Vdc input) to 15 years / 131400 hours (at 25°C; 20A output; 3AC 400Vdc input). The output stage capacitance is 7600µF, with a ripple of 2500mVpp (20Hz...2KHz; 50Ω).

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
    96 mm
  • Depth
    159 mm
  • Current Output
    20 A
  • Current Input
    1.65 A
  • Power
    960 W
  • Voltage Output
    48 VDC
  • Voltage Input
    400 VAC
  • Efficiency
    96 %

Product condition

New Factory Sealed

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



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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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