Product Details – 130B1495 AHF-DA-154-460-60-20-A The VLT Advanced Harmonic Filter is a passive harmonic filter specially designed to match the Danfoss frequency converters "VLT AutomationDrive, VLT AQUA Drive and VLT HVAC Drive. With AHF010 connected in front of the Danfoss VLT the harmonic current" distortion generated back to the mains is reduced to maximum 10% at full load. Accessories: IP21 / NEMA 1 Kit: 130B3279 IP21 / NEMA 1 Kit with capacitor disconnect: 130B5908 Back plate: 130B3287 Specifications: THiD less than 10% Line voltage: 440-480V Line frequency: 60Hz Filter current: 154A Line voltage tolerances: +/- 10% Line frequency tolerances: +5% / -1.5% Overload capacity: 160% for 60 sec. every 10 min. Enclosure rating: 20 Cooling concept: Forced cooled by build-in fan Efficiency: > 98% Ambient temperature without derating: 5-45 ºC Enclosure: X6