The Delta DPS-300AB-76 A is an industrial-grade 275W switching power supply designed for standard LED display boards and digital signage. Operating from a wide 100-240VAC input, this rugged enclosed unit delivers a rated 5V output at up to 55A. Equipped with a cooling fan, it maintains excellent thermal control to guarantee continuous, stable performance even during high-demand operation.

Key Features
• Wide Input Voltage Range: Supports a broad 100–240V AC input, allowing safe and seamless operation across various global grid infrastructures.
• Voltage Flexibility: Features a manual adjustable output range from 4.5V to 5.5V to precisely tune your LED panel requirements.
• Extreme Weather Performance: Built to operate reliably in harsh environments from a cold start at -30C up to a hot 70C maximum temperature.
• Quad-Layer Circuit Safeguards: Comprehensive protection mechanisms against over-voltage, over-current, over-temperature, and short-circuit faults.
• Global Standard Certification: Approved by major regulatory bodies, ensuring compliance with safety and electrical interference standards.

Key Specifications
Model: DPS-300AB-76 A
Input Voltage: 100-240V AC (5.5A Max)
Rated Output Voltage: 5V DC
Adjustable Output Range: 4.5V - 5.5V DC
Output Current: 55A
Rated Output Power: 275W
Power Factor: ≥ 0.9
Energy Efficiency: ≥ 79%
Operating Temperature: -30C to 70C
Cooling Method: Integrated internal fan
Dimensions (L x W x H): 215 x 115 x 50 mm
Compliance Certifications: CE, UL, FCC, CCC

Series Availability
The Delta DPS-300AB-76 series includes multiple models to match specific hardware configurations, including the DPS-300AB-76 A (5V 55A) and the DPS-300AB-76 B (4.6V 55A) variant.