XT40.481 Puls AC/DC Power Supplies
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.
Related documents XT40.481 Specs
Manufacturer warranty
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