Technical Information & Details for MEAN WELL NPB-450-72 Power Supply
- Output Power: 453.6 W
- Output Voltage: 115.2 V DC (Charge Voltage Range: 54 – 100 V)
- Output Current: 4.2 A
- Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
- Efficiency: 93.5%
- Power Factor: PF > 0.98 @ 115 VAC / PF > 0.95 @ 230 VAC
- Inrush Current: Max. 50 A @ 230 VAC (Cold start)
- AC Current: 4.5 A / 115 VAC, 2.2 A / 230 VAC
- Operating Temperature: −30 °C to +70 °C
- Cooling: Thermostatically controlled DC fan
- Protections: Short circuit, Over voltage, Over temperature, Battery reverse polarity, Battery under voltage
- Control & Communication: CANBus 2.0B, NFC interface (NFC models), DIP S.W (2/3-stage selectable)
- Isolation Voltage: 3000 V AC between Input and Output (I/P-O/P)
- Dimensions (H x W x D): 55 mm x 135 mm x 205 mm
- Weight: approx. 1.38 kg
- Safety & EMC Standards: CB, DEKRA, UL62368-1, BS EN/EN62368-1, BS EN/EN60335-1/-2-29, EAC
- Signal Functions: Charger OK & Battery Full (TTL signal), Remote ON/OFF, NTC temperature compensation
- Warranty: 3 Years
Information on MEAN WELL NPB-450-72
Targeting higher voltage energy storage applications, the MEAN WELL NPB-450-72 provides a robust 453.6 W capacity alongside an ultra-wide charging voltage span of 54 to 100 V compatible with standard and custom battery chemistry stacks. Technical teams can effortlessly manage charging parameters or run diagnostics through native CANBus 2.0B interface communication and NFC touchless programming options. Built to withstand tough operational environments, this charger carries dual safety standard approval (UL62368-1 and EN60335-1/-2-29) along with hardware-level reverse polarity protection to prevent installation errors. Combined with active thermal fan control and a coverage-backed 3-year manufacturer warranty, it offers high efficiency for electric vehicles, AGVs, and industrial energy storage systems.
