BY-400WX2-5V Switching Power Supply Boyu

$56.99

The BOYU BY-400WX2-5V power supply delivers 400W of power with a 5V 80A output, featuring high efficiency and advanced protection functions for safe operation.
Input Voltage: 200-240VAC, 4.9AMax, 50/60Hz
Output Voltage: 5V
Output Current: 80A
Protection function: input under voltage, overload protection, short circuit protection
Heat dissipation mode: Ventilation cooling

BY-400WX2-5V Switching Power Supply Boyu Description

The BOYU BY-400WX2-5V power supply offers an efficient and reliable solution for converting 200-240VAC to a stable 5VDC output, ideal for high-performance applications such as LED displays, industrial equipment, and security systems. With a rated output of 80A and peak current capability of up to 85A, this power supply ensures consistent power delivery for demanding operations.
Engineered with advanced Double Transistor Forward technology, it provides high efficiency, achieving ≥91% at full load. Safety is ensured with comprehensive protection features, including overcurrent, short circuit, overvoltage, and over-temperature protection. Its natural ventilation cooling system guarantees stable performance in various environments.

Product Features:
Input Voltage Range: 200Vac to 240Vac
Frequency Range: 47Hz to 63Hz
Maximum Input Current: 4.9A at full load
Efficiency: ≥91% @ full load (230Vac)
Output Voltage: 5V ±5%
Rated Output Current: 80A
Peak Output Current: 85A
Ripple & Noise: 250mVp-p @ 25℃
Protection: Overcurrent (auto recovery), short circuit (latch off), overvoltage, over-temperature
Hold-Up Time: ≥10ms @ 220Vac
Power On Delay: ≤3s @ 25℃, ≤5s @ -30℃
Cooling Method: Natural ventilation
Operating Temperature: -40℃ to +50℃
Dimensions: 220mm x 38mm x 26.5mm
Weight: Approx. 420g
MTBF: ≥50,000 hours @ 25℃

Edit
Category	Specification
Input Voltage Range	200Vac to 264Vac
Normal Operating Voltage	200Vac to 240Vac
Frequency Range	47Hz to 63Hz
Max Input Current	4.9A Max at full load
Inrush Current	80A @230V
Efficiency (full load)	≥91% @ 230Vac
Leakage Current	≤0.5mA @ 230Vac input
Normal Output Power	400W
Input Fuse	T6.3AH/250Vac
Power Factor	PF >0.95 @ 230Vac
Output Voltage Regulation	±5%
Output Min Current	0A
Output Rated Current	80A
Output Peak Current	85A
Output Ripple & Noise	250mVp-p @ 25℃
Output Transient Response	0.02A/uS, 25% to 50% and 50% to 75% load
Output Rise Time	≤100ms
Output Overshoot (Turn-On)	≤10%
Output Overshoot (Turn-Off)	≤10%
Hold-Up Time	≥10ms
Power On Delay Time	≤3S @ 25℃, ≤5S @ -30℃
Overcurrent Protection	85A-100A (Auto Recovery)
Short Circuit Protection	Latch off, requires AC power reset
Overvoltage Protection	7.5V Min (Auto Recovery)
Overtemperature Protection	Yes (Auto Recovery)
Isolation Resistance	DC500V 10 MΩ min (room temp)
Dielectric Strength (Input to Output)	3000Vac 50Hz, 1 minute, ≤10mA
Dielectric Strength (Input to FG)	1500Vac 50Hz, 1 minute, ≤10mA
Dielectric Strength (Output to FG)	500Vac, 1 minute, ≤10mA
Operating Temperature	-40℃ to +50℃
Storage Temperature	-40℃ to +85℃
Operating Humidity	10% to 90% RH (non-condensing)
Storage Humidity	5% to 95% RH (non-condensing)
Altitude (Operating)	-60m to 3000m
Altitude (Storage)	Up to 5000m
Cooling Method	Natural Ventilation Cooling
Dimensions	220mm x 38mm x 26.5mm
Weight	Approx. 420g
MTBF	≥50,000 hours

①Shipping Fee
We offer a fixed shipping fee of $78 per order, regardless of size or weight, making shipping costs predictable and manageable.

②Handling Time
Orders for in-stock items are processed within 24 hours. Some items may require an additional 48-72 hours for processing, and we will notify you if this is the case.

③Delivery Time
Our typical delivery time is 3-7 days, depending on your location. In rare cases of delays due to weather, regulations, or holidays, we appreciate your understanding.

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