S-250W Switching Power Supply | 12V/24V/48V Selectable | Industrial Grade | High Efficiency

Industrial-Grade 250W Power Solution

The S-250W 250W switching power supply represents the pinnacle of power conversion technology, engineered to meet the demanding requirements of modern industrial applications. This robust 250W industrial SMPS features triple output voltage selection (12V/24V/48V), providing unmatched flexibility for diverse equipment needs. With advanced active power factor correction (PFC ≥0.95), this high-efficiency switching power supply ensures optimal energy utilization while minimizing harmonic distortion.

Advanced Technical Specifications

• Output Power: 250W continuous rating

• Output Voltages: 12V@20.8A, 24V@10.4A, 48V@5.2A (field selectable)

• Input Voltage: AC 85-264V (47-63Hz) universal input

• Efficiency: 92% typical (230V AC input)

• Power Factor: Active PFC ≥0.98 at full load

• Line Regulation: ±0.5% (85-264V AC)

• Load Regulation: ±1.5% (20-100% load)

• Ripple & Noise: 120mVp-p maximum

• Operating Temperature: -25°C to +70°C

• Storage Temperature: -40°C to +85°C

• Thermal Management: Smart temperature-controlled fan

Comprehensive Protection Systems

This 250W industrial power supply incorporates multi-layered protection:

• Overload Protection (OLP): Hiccup mode, auto-recovery

• Over Voltage Protection (OVP): Crowbar circuit, latching type

• Short Circuit Protection (SCP): Constant current limit, auto-recovery

• Over Temperature Protection (OTP): Thermal shutdown with auto-restart

• Surge Protection: 6kV line to line, 4kV line to ground

• Inrush Current Protection: NTC thermistor + relay bypass

Specialized Application Scenarios

Industrial Automation & Robotics

• Industrial robot power supply 250W for articulated arms

• PLC system main power for factory automation

• CNC machine control power for precision machining

• Industrial servo drive power supply

• Automated assembly line power unit

Telecommunications & Data Infrastructure

• 5G base station power supply 250W

• Server rack power distribution unit

• Network switch power supply

• Data center backup power system

• Telecom cabinet main power

High-Power LED & Display Systems

• LED video wall power supply 250W

• Stadium lighting power system

• Architectural lighting power supply

• High-bay lighting power unit

• Digital signage power distribution

Renewable Energy & EV Infrastructure

• Solar inverter control power 250W

• Wind turbine monitoring system PSU

• EV charging station control power

• Battery management system power supply

• Energy storage system control power

Mechanical & Installation Specifications

• Enclosure: Heavy-duty steel case with black coating

• Dimensions: 245mm × 125mm × 65mm (L×W×H)

• Weight: 1.8kg

• Mounting: Standard base mount with VESA 75mm pattern

• Cooling: Dual-ball bearing fan with speed control

• Terminals: Industrial-grade screw terminals (15A rating)

• Indicator: Tri-color LED (green/red/orange status)

Certifications & Compliance

• Safety Standards: UL 62368-1, EN 62368-1, CSA C22.2

• EMC Standards: EN 55032 Class B, EN 61000-4 series

• Environmental: RoHS 3, REACH, WEEE compliant

• Quality Standards: ISO 9001, ISO 14001 certified manufacturing

Smart Control & Monitoring

• Remote On/Off Control: TTL compatible signal

• Power Good Signal: Open collector output

• Current Share Function: For N+1 redundancy systems

• Voltage Margin Control: ±10% adjustment capability

• Fan Fail Detection: Early warning system

• Temperature Monitoring: Real-time thermal monitoring

S-250 250W switching power supply
project		Technical index
output	DC voltage	5V	12V	24V	36V	48V
	Rated current	40A	20.8A	10.4A	7A	5.2A
	Rated power	200W	249.6W	249.6W	252W	249.6W
	Ripple and noise ①	＜100mV	＜150mV	＜150mV	＜240mV	＜240mV
	Voltage accuracy	±2%	±1%
	Output voltage regulation range	±10%
	Load adjustment rate	＜±1.5%	＜±0.5%	＜±0.5%	＜±0.5%	＜±0.5%
	Linear adjustment rate	＜±0.5%
input	Voltage range	90-132VAC/180-264VAC 47Hz～63Hz   254VDC～370VDC
	Efficiency (typical) ②	＞78%	＞82%	＞84%	＞84%	＞84%
	Working current	＜4A 115VAC      ＜2.5A 230VAC
	Impulse current	115VAC  25A， 220VAC  50A
	Start, rise, hold time	200ms、50ms、20ms ：220VAC
protect	overload protection	105% – 150% type: constant current output + VO reduced to undervoltage point cut off output reset: power on again
	Overvoltage protection	115%-135%VOUT
	Undervoltage protection	35%-45%VOUT
	Short circuit protection	+VODrop to undervoltage point to close output
	Over temperature protection	Rth3: ≥ 60 ℃ fan start, ≥ 50 ℃ fan close, ≥ 80 ℃ close output (5V) rth3: ≥ 65 ℃ fan start, ≥ 55 ℃ fan close, ≥ 85 ℃ close output (12v-48v)
Environmental Science	Working temperature and humidity	-10℃～+50℃；20%～90RH
	Storage temperature and humidity	-20℃～+85℃；10%～95RH
Safety regulations	Withstand voltage	Input output: 1.5kVac input shell: 1.5kVac output shell: 0.5kvac for 1 minute
	Leakage current	5mA at 1.5kVac input-output
	Leakage current	Input output at 220VAC < 1mA
	Isolation resistance	Input output, input shell, output shell: 500VDC / 100M Ω
Other	size	215*114*50mm
	Net weight / gross weight	866/925g