PULS QT40.481 960W 3 Phase DIN Rail Power Supply 48V 20A 380-480V AC
The PULS QT40.481 is a high-efficiency three-phase DIN rail power supply from the DIMENSION Q Series, delivering 960W (48V / 20A) with active power factor correction (PFC). Designed for demanding industrial automation applications, it features a wide-range input (3x 380-480V AC), outstanding efficiency up to 95.4%, and a compact design (110mm width / 1.5kg weight).
Key Specifications
· Output: 48V DC (adjustable 48-54V), 20A (48V) / 17.8A (54V), 960W continuous, 1440W peak (150% for up to 4s)
· Input: 3x 380-480V AC (-15% / +10%), 50-60Hz; active PFC (power factor 0.92)
· Efficiency: up to 95.4% typical
· Power Reserve: 50% BonusPower® (1440W for up to 4 seconds)
· Operating Temperature: -25°C to +70°C (full power up to +60°C; derate above +60°C)
· Dimensions (W x H x D): 110 x 124 x 127 mm
· Weight: 1500 g (1.5 kg)
· Mounting: DIN rail (TS35)
· Connection: Screw terminals
· Protection Rating: IP20
Key Features
· 50% Power Reserve (BonusPower®): 1440W for up to 4 seconds – supports starting heavy loads without oversizing the power supply
· Negligible Inrush Current: Active inrush current limitation (peak 4.5A), virtually no start-up surge
· High Efficiency: 95.4% typical, reduces heat buildup and energy consumption
· DC-OK Relay Contact: For remote output status monitoring
· Active PFC: Power factor correction for reduced input current harmonics
· Current Sharing: Parallel use capability for load sharing and redundancy
· Shut-down Input: Remote on/off control of output voltage
Approvals
· CE, UL, CB, cULus, DNV GL (Marine), ABS, EAC, ATEX, IECEx, SEMI F47
Applications
· Industrial automation control systems
· Process control (DCS, PLC panels)
· Factory automation and machinery
· Test and measurement equipment
· Marine and offshore installations (DNV GL approved)
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