Cooling fan EFB Elektronik PRO-LFD04AT.GR Grey Plastic AC 230V 50Hz

The EFB Elektronik PRO-LFD04AT.GR is a cooling fan unit with an integrated thermostat designed for mounting in cabinet roofs. It is supplied complete with thermostat and mounting accessories and is intended for installation in opening type A (380 x 380 mm). The housing is made of plastic and is available in light grey (RAL7035) or jet black (RAL9005). The unit operates on AC 230 V, 50 Hz and is designed to provide reliable airflow for equipment cabinets.

Advantages

The fan unit combines an integrated thermostat and a compact plastic housing to simplify installation and temperature-controlled operation. For the 4-fan variant, a 3-stage switch (0/I/II) enables a reduced-speed “Silent-Mode” for particularly quiet operation; the 2-fan variant is equipped with a simple ON/OFF switch. Delivered with mounting accessories, the unit is ready for immediate installation in standard 380 x 380 mm roof openings.

Suitable for (tasks / use cases)

• Cooling electrical and electronic cabinets
• Ventilation of small server or network enclosures
• Replacement or upgrade of roof-mounted cabinet fans

Key specifications

• Brand: EFB Elektronik
• Model: PRO-LFD04AT.GR
• Type: Cooling fan unit with integrated thermostat
• Power supply: AC 230 V, 50 Hz
• Mounting opening: Type A (380 x 380 mm)
• Housing material: Plastic
• Colour: RAL7035 light grey / RAL9005 jet black
• Scope of delivery: Fan unit with thermostat and mounting accessories

How to use

Install the fan unit into a 380 x 380 mm roof opening (type A) of the cabinet, secure using the supplied mounting accessories and connect to a 230 V, 50 Hz supply. For the 4-fan variant, select the desired speed with the 3-stage switch (0/I/II) and use the thermostat to control switching according to cabinet temperature. For the 2-fan variant, use the ON/OFF switch to operate the unit. Ensure all electrical connections comply with local regulations and are made by a qualified technician.

Recommendations

Mount the unit in the cabinet roof to optimise warm-air extraction; keep intake and exhaust paths unobstructed. Regularly check the thermostat settings and fan condition and perform periodic cleaning to maintain airflow efficiency.