XT40.361 Puls AC/DC Power Supplies

PULS XT40.361 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 with a supply voltage of 3x360-440Vac (380Vac / 400Vac / 415Vac nominal; 47-63Hz), a turn-ON voltage of 3 x 325Vac, and a shutdown voltage of 3 x 295Vac. The unit is housed in an aluminium casing, measures W96mm x H124mm x D159mm, and features screw-clamp connections for installation. It is designed for DIN rail mounting in a 3-phase (3AC) network environment. The XT40.361 operates efficiently within an ambient air temperature range of -25 to +70°C, has a net width of 96 mm, and a peak inrush current consumption of 4A (at 3x400Vac input). It offers a rated current of 26.6A (at 36Vdc), with a rated power of 960W (at 36 Vdc) and 1200W for a typical 15s, adjusting to 24W/+60°C...+70°C (derating). Protection features include output overvoltage protection (42.5Vdc max.), active input inrush current limiter, and overload/short-circuit current protection—typically 115A at load impedance. The unit is not designed for series or parallel operation to increase output power but supports 1+1 redundancy for higher system availability. It can handle back-feeding loads up to 41.1V without malfunctioning. The XT40.361 boasts an efficiency of 0.955 (with 3x400Vac input), a 400ms start-up delay, and a rise time of 40ms (nominal input; constant full current load; 0mF load capacitance) to 70ms (nominal input; constant full current load; 27mF load capacitance). The fixed output voltage is 36Vdc with a 700mV turn-ON overshoot, and it offers a hold time of 2.6ms (buffer time at 3x400Vdc input). Power dissipation/losses are calculated at 45.2 W (3x400Vdc input; full output load), and the electrical durability is rated at 55000 hours (at 40°C; 26.6A output; 3AC 400Vdc input) to 156000 hours (at 25°C; 26.6A output; 3AC 400Vdc input). The output stage capacitance is 11100 µF, with a ripple of 2000mVpp (20Hz...2KHz; 50Ω).

About the manufacturer: Puls is one of the manufacturers that offers AC/DC Power Supplies 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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