Frequency converter for stepless speed control of fans. Equipped with a network filter and additional terminal block. Features motor protection via thermal contact or NTC. Control inputs: galvanically isolated, PLC compatible, freely programmable. Setpoint inputs: 0-5 V, 0-10 V, 0(4)-20 mA with voltage and current offset calibration function. Setpoint output: 1 analog output 0 - 10 V. Digital inputs: 6 pieces, partially freely programmable. Signal outputs: 2 pieces, partially freely programmable. Digital outputs: 2 potential-free outputs for fault and operational indication (changeover contact). Connections via metric screw fittings 2 x PG 12, 2 x PG 16. Factory presettings for 15 programmable fixed speeds. Lifespan approximately 80,000 hours at 80 to 85% rated load. Compatible with product groups DAS, DAR, EDR, GRK, GRM, DRD, DSK 56/63/71 and all DZ... with phase isolation (special version). For remote maintenance, ST EC 010 can be additionally used.

Article: MFU 4

• Rated voltage: 3 x 380 V to 480 V (+/- 10%)
• Mains frequency: 50 Hz / 60 Hz
• INenn: 4.3 A
• Recommended motor power: 1500 W
• Protection class: IP 54
• Housing material: Steel sheet, galvanized
• Color: light gray, similar to RAL 7035
• Weight: 5.65 kg
• Weight with packaging: 7.05 kg
• Width: 200 mm
• Height: 350 mm
• Depth: 157 mm
• Width with packaging: 295 mm
• Height with packaging: 355 mm
• Depth with packaging: 275 mm
• Ambient temperature: -10 °C to 50 °C.