Description

SourceLeader DSM-200W3V8-2V8N LED Display Switching Power Supply Description

The SourceLeader DSM‑200W3V8‑2V8N LED Display Switching Power Supply is a dual-output industrial-grade power solution designed for modern common cathode LED display systems. It features current sharing and N+1 backup capabilities, ensuring reliable, redundant operation in critical display applications. The unit delivers 3.8 V + 2.8 V DC outputs with a maximum combined output power of 170 W, making it ideal for indoor ultra-thin displays, small pitch LED and COB displays, energy-saving common cathode screens, indoor displays, and rental LED installations. With a universal AC input range, high power factor, natural cooling, and comprehensive protection functions, this power supply guarantees stable, efficient, and safe performance in professional LED setups.

Product Features:
• Dual DC outputs: 3.8V + 2.8V, specifically designed for common cathode LED displays, ensuring precise and stable power delivery.
• Maximum output power: 170W, suitable for medium-sized LED panels and modular display setups.
• High output current: 0–30A (3.8V) + 0–20A (2.8V), providing sufficient power for high-brightness or large LED modules.
• Universal AC input: 100–240V (supports 90–264VAC), compatible with global power standards and flexible installation requirements.
• High energy efficiency: Up to 87% efficiency with a high power factor of 0.95, reducing heat and energy consumption.
• Dual-channel common cathode output: Optimized for energy-efficient operation of LED displays.
• Current sharing capability: Allows parallel operation of multiple units for expanded power needs.
• N+1 redundancy support: Ensures backup power and improves system reliability for critical applications.
• Comprehensive protection: UVP (Under Voltage Protection), OVP (Over Voltage Protection), OCP (Over Current Protection), OTP (Over Temperature Protection), SCP (Short Circuit Protection), safeguarding both the power supply and connected LED modules.
• LED power indicator: Provides clear visual feedback of operational status.
• Silent operation: Fan-less natural cooling for quiet, low-maintenance performance.
• Wide operating temperature range: −30°C to +60°C, suitable for indoor and outdoor LED display environments.
• Compact design: 165 × 55 × 20mm, easy to integrate into display setups with limited space.
• Certifications: CCC, CE, UL, RoHS, ensuring compliance with international safety and quality standards.

Applications:
• Indoor ultra-thin LED display screens
• Small-pitch LED display systems
• Small-pitch COB LED displays
• Common cathode energy-saving LED display screens
• Indoor fixed LED display screens
• Rental LED display screens

SourceLeader DSM-200W3V8-2V8N LED Display Switching Power Supply Specification:

Module	DSM-200W3V8-2V8N
Input Voltage	100–240 V AC (Universal Wide AC: 90–264 V AC)
Output Voltage	3.8 V + 2.8 V
Output Current	0–30 A (3.8 V) + 0–20 A (2.8 V)
Maximum Output Power	170 W
Dimensions (L×W×H)	165 × 55 × 20 mm
Power Factor	Up to 0.95
Efficiency	Up to 87 %
Output Type	Two channels, common cathode
Backup Function	Supports N+1 redundancy
Protection Features	UVP, OVP, OCP, OTP, SCP
Indicators	LED power indicator
Cooling Method	Natural cooling
Operating Temperature	-30 °C to +60 °C
Current Sharing	Supported
Certifications	CCC, CE, UL, RoHS
Applications	Indoor ultra-thin display screen、small pitch LED display、small pitch COB display、indoor display screen、 rental display screen、common cathode energy-saving display screen

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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
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③Delivery Time
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SourceLeader DSM-200W3V8-2V8N LED Display Switching Power Supply