Description:

The Delta ESR-48/40A Communication Power Module is used in industrial power systems to provide stable DC power for communication and control equipment, commonly installed in telecom systems, industrial control panels, networking cabinets, and automation systems, and maintenance teams and system integrators use this module for replacement, power system upgrades, or infrastructure expansion.

Applications: 

The Delta ESR-48/40A power module is used in industrial and telecom environments where reliable DC power supply is critical, commonly applied in telecommunications base stations, data communication systems, control cabinets, and automation networks to ensure continuous operation, voltage stability, and protection of sensitive electronic equipment.

Technical Specifications:

• Brand: Delta Electronics
• Part Number: ESR-48/40A
• Product Type: Communication Power Module
• Output Voltage: -48V DC
• Output Current: 40A
• Input Voltage Range: 85–300V AC
• Efficiency: Up to 91%
• Cooling Method: Forced air cooling
• Protection Functions: Overvoltage, overcurrent, short circuit, overheating
• Power Factor: ≥0.99
• Mounting Type: Rack or panel mount
• Operating Temperature: -10°C to 50°C

Common Replacements:

• Delta ESR-48/30A Power Module
• Delta ESR-48/50A Power Module
• Huawei R4850G1 Power Module