Ebmpapst 4318/19H 48V 36V~50V 13W 4wire Cooling Fan

Description

The ebmpapst 4318/19H is a high-performance DC axial fan engineered for critical thermal management in industrial and telecommunications infrastructure. This unit belongs to the 4300 series, characterized by its compact 119 mm footprint and high airflow density. The /19H configuration denotes a high-speed variant equipped with a 4-wire interface, enabling precise Pulse Width Modulation (PWM) speed control and tachometer signal output for real-time status monitoring. Constructed with a fiberglass-reinforced plastic housing and impeller, this fan ensures durability in demanding environments while maintaining operational efficiency. Original Engineering specifications ensure optimal Technical Compatibility with 48V DC bus systems commonly found in telecom rectifiers and server racks.

Manufacturer: ebmpapst
Model Number: 4318/19H
Product Type: DC Axial Fan
Nominal Voltage: 48 VDC
Operating Voltage Range: 36 VDC to 53 VDC
Power Consumption: 13 W
Nominal Speed: 3400 RPM
Max Airflow: 204 m³/h
Dimensions: 119 mm x 119 mm x 32 mm
Bearing System: Ball Bearings
Noise Level: 51 dB(A)
Interface: 4-Wire (PWM Control + Speed Signal)
Housing Material: PBT Plastic (Fiberglass-reinforced)
Impeller Material: PA Plastic (Fiberglass-reinforced)
Operating Temperature Range: -20°C to +75°C
Service Life L10 at 40°C: 60,000 hours
Weight: 0.22 kg
Approvals: VDE, CSA, UL, CE

Application Analysis:
This specific cooling unit is optimized for high-density telecommunications base stations and server enclosures where variable thermal loads require dynamic cooling adjustments. The 4-wire PWM integration allows the system logic to modulate fan speed based on real-time temperature data, minimizing energy consumption and acoustic noise during low-load periods while providing rapid heat dissipation capabilities up to 204 m³/h during peak processing. This precise control mechanism extends the lifecycle of sensitive electronic components by maintaining stable operating temperatures. Contact us to verify current Lead Time and stock availability.