BY-400WX9-5V Switching Power Supply Boyu

$55.99

The BOYU BY-400WX9-5V is a 400W power supply with 200VAC-240VAC input and 5VDC output, designed for high-performance applications such as LED displays, security systems, and industrial equipment.
Input Voltage: 200-240VAC, 4.9AMax, 50/60Hz
Output Voltage: 5V
Output Current: 80-60A
Protection function: input under voltage, overload protection, short circuit protection
Heat dissipation mode: Ventilation cooling

BY-400WX9-5V Switching Power Supply Boyu Description

The BOYU BY-400WX9-5V is a highly efficient power conversion device, designed to convert 200VAC-240VAC input into a stable 5VDC output. Utilizing advanced Double Transistor Forward technology, this power supply offers precise control and input-output isolation for enhanced safety and efficiency. This reliable unit is ideal for a wide range of applications including LED displays, industrial equipment, security monitoring systems, and military-grade electronics. Built for performance and protection, it is equipped with overcurrent, short circuit, overvoltage, and thermal protection functions to ensure consistent and safe operation in various demanding environments.
Product Features:
High Efficiency: Achieves a minimum of 91.5% efficiency at full load, ensuring optimal energy conversion.
Input Voltage Range: Supports 200VAC-240VAC, suitable for global applications.
Power Output: Delivers a stable 5V DC output with a peak current of 85A, rated at 400W.
Protection Functions: Includes overcurrent protection (auto reset), short circuit protection (latch off), overvoltage protection (auto reset), and over-temperature protection (auto reset).
Low Ripple & Noise: Maximum 250mVp-p ripple and noise at 5V output.
Quick Response: Fast transient response for sudden load changes (from 25% to 75%).
Durable Build: Designed to operate in challenging environments, withstanding vibrations, shock, and high altitudes.
Compact Design: Dimensions of 220mm x 47mm x 26mm, with a weight of approximately 420g.
Long Life: High MTBF of 50,000 hours at full load under normal operating conditions.

Category	Specification
Input Voltage Range	200Vac to 240Vac
Frequency Range	47Hz—63Hz
Max Input Current	4.9Amax. at full load
Inrush Current	80A@230V
Efficiency	91.5%min.@230Vac
Leakage Current	Less than 0.5 mA@230Vac
Normal Output Power	400W
Input Fuse	T5.0AH/250Vac
Power Factor	PF>0.95/230Vac
Output Voltage	5V
Regulation	±5%
Min. Current	0A
Rated Current	80A
Peak Current	85A
Ripple & Noise	250mVp-p@25°C
Transient Response (Load Change)	25% to 75% load
DC Output Rise Time	≤100mS
DC Output Overshoot	≤10%
Hold-Up Time	≥10 mS
Power On Delay Time	≤3S at 25°C, ≤5S at -30°C
Over Current Protection	85A MIN / Auto Reset
Short Circuit Protection	Latch Off / Reset after power cycle
Over Voltage Protection	7.5Vmin / Auto Reset
Temperature Protection	Yes / Auto Reset
Insulation Resistance	DC500V 10 MΩ min.
Dielectric Strength	3000Vac 50Hz 1minute ≤10mA
Operating Temperature	-20°C to +40°C
Storage Temperature	-20°C to +85°C
Operating Humidity	10% to 90% RH
Storage Humidity	5% to 95% RH
Altitude	Operating: -60 to 3000m, Storage: up to 5000m
Cooling Method	Ventilation Cooling
Dimension	220mm X 47mm X 26mm
Weight	Approx. 420g
MTBF	50,000 hours @ 25°C

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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