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Advanced Harmonic Filter AHF

Advanced Harmonic Filters (AHF) are power quality solutions designed to mitigate harmonic distortion in electrical networks, typically rated for currents from 6 A to 600 A and voltages up to 690 V AC. These filters actively cancel harmonics generated by non-linear loads such as variable frequency drives (VFDs), rectifiers, and UPS systems, ensur...

Advanced Harmonic Filters (AHF) are power quality solutions designed to mitigate harmonic distortion in electrical networks, typically rated for currents from 6 A to 600 A and voltages up to 690 V AC. These filters actively cancel harmonics generated by non-linear loads such as variable frequency drives (VFDs), rectifiers, and UPS systems, ensuring compliance with IEEE 519 or IEC 61000-2-4 standards. They are available in 3-phase configurations (3P or 3P+N) and feature fast dynamic response times below 100 µs, with optional built-in reactors or passive damping circuits. In the industry, they are also known as active harmonic conditioners, power quality filters, or harmonic compensators.

These filters are deployed in industrial automation panels, commercial building distribution boards, and critical infrastructure like data centers or hospitals. They protect sensitive equipment from voltage distortion, reduce transformer and cable overheating, and improve overall system efficiency. Common applications include water treatment plants, HVAC systems, manufacturing lines, and renewable energy installations where power factor correction and harmonic mitigation are essential.

Our catalog includes subcategories such as wall-mounted AHF units (e.g., model series AHF-006 to AHF-600), modular rack systems, and integrated filter-drive combos. Key article codes follow a pattern like AHF-XXX-YYY, where XXX denotes rated current in amps and YYY indicates voltage class (e.g., 400 or 690). For example, AHF-100-400 represents a 100 A filter for 400 V networks. We also stock accessories like remote monitoring modules and bypass switches.

Partnering with Electric Automation Network ensures access to real-time pricing, detailed technical datasheets per article, and express worldwide shipping. Our team of specialized engineers provides personalized pre-sales and post-sales support, including harmonic study analysis and filter sizing recommendations. We guarantee fast delivery from our global logistics hubs to minimize downtime in your projects.

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Manufacturer Code Reference Catalog Number Description Delivery Price

130B3152

130B3152

AHF-DB-325-400-50-20-A

VLT Advanced Harmonic Filter AHF-DB-325-400-50-20-A

AHF-DB-325-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1229

130B1229

AHF-DB-010-400-50-20-A

VLT Advanced Harmonic Filter AHF-DB-010-400-50-20-A

AHF-DB-010-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1228

130B1228

AHF-DA-480-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-480-400-50-20-A

AHF-DA-480-400-50-20-A

Harmonic line filter for VLT AQUA Drive, VLT HVAC Drive and VLTAutomationDrive (HO), 400V, P250, to reduce mains feedback, harmonic current THiD 10%. Rated current: 480A Overload capacity: 1.6 times for 60sMains voltage: 380V Un 415V (+/- 10%)Mains frequency: 50Hz + 5 %, -1.5%Mains requirement: Rsce > 66 and THD U 2%Efficiency: approx. 98 %Protection class: IP 20Ambient temperature: 5° C... 45° CPhysical dimensions (HxWxD): 911 x 468 x 550 mmWeight: 205kg

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130B1760

130B1760

AHF-DB-073-460-60-20-A

VLT Advanced Harmonic Filter AHF-DB-073-460-60-20-A

AHF-DB-073-460-60-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1761

130B1761

AHF-DB-095-460-60-20-A

VLT Advanced Harmonic Filter AHF-DB-095-460-60-20-A

AHF-DB-095-460-60-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1094

130B1094

AHF-DA-034-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-034-400-50-20-A

AHF-DA-034-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1238

130B1238

AHF-DB-034-400-50-20-A

VLT Advanced Harmonic Filter AHF-DB-034-400-50-20-A

AHF-DB-034-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1239

130B1239

AHF-DB-040-400-50-20-A

VLT Advanced Harmonic Filter AHF-DB-040-400-50-20-A

AHF-DB-040-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1231

130B1231

AHF-DB-014-400-50-20-A

VLT Advanced Harmonic Filter AHF-DB-014-400-50-20-A

AHF-DB-014-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1232

130B1232

AHF-DB-022-400-50-20-A

VLT Advanced Harmonic Filter AHF-DB-022-400-50-20-A

AHF-DB-022-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1233

130B1233

AHF-DB-029-400-50-20-A

VLT Advanced Harmonic Filter AHF-DB-029-400-50-20-A

AHF-DB-029-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1027

130B1027

AHF-DA-010-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-010-400-50-20-A Harm.filter AHF010 10A, 50HZ 380-415V

AHF-DA-010-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1207

130B1207

AHF-DA-133-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-133-400-50-20-A

AHF-DA-133-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1201

130B1201

AHF-DA-082-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-082-400-50-20-A

AHF-DA-082-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5296

130B5296

AHF-DA-395-690-50-20-A

VLT Advanced Harmonic Filter AHF-DA-395-690-50-20-A

AHF-DA-395-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1204

130B1204

AHF-DA-096-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-096-400-50-20-A

AHF-DA-096-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5295

130B5295

AHF-DA-366-690-50-20-A

VLT Advanced Harmonic Filter AHF-DA-366-690-50-20-A

AHF-DA-366-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5292

130B5292

AHF-DA-197-690-50-20-A

VLT Advanced Harmonic Filter AHF-DA-197-690-50-20-A

AHF-DA-197-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5293

130B5293

AHF-DA-240-690-50-20-A

VLT Advanced Harmonic Filter AHF-DA-240-690-50-20-A

AHF-DA-240-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5290

130B5290

AHF-DA-128-690-50-20-A

VLT Advanced Harmonic Filter AHF-DA-128-690-50-20-A

AHF-DA-128-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5291

130B5291

AHF-DA-155-690-50-20-A

VLT Advanced Harmonic Filter AHF-DA-155-690-50-20-A

AHF-DA-155-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1758

130B1758

AHF-DB-048-460-60-20-A

VLT Advanced Harmonic Filter AHF-DB-048-460-60-20-A

AHF-DB-048-460-60-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1755

130B1755

AHF-DB-025-460-60-20-A

VLT Advanced Harmonic Filter AHF-DB-025-460-60-20-A

AHF-DB-025-460-60-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1754

130B1754

AHF-DB-019-460-60-20-A

VLT Advanced Harmonic Filter AHF-DB-019-460-60-20-A

AHF-DB-019-460-60-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1752

130B1752

AHF-DB-010-460-60-20-A

VLT Advanced Harmonic Filter AHF-DB-010-460-60-20-A

AHF-DB-010-460-60-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B3136

130B3136

AHF-DA-325-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-325-400-50-20-A

AHF-DA-325-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1176

130B1176

AHF-DA-055-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-055-400-50-20-A

AHF-DA-055-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B1180

130B1180

AHF-DA-066-400-50-20-A

VLT Advanced Harmonic Filter AHF-DA-066-400-50-20-A

AHF-DA-066-400-50-20-A

VLT® Advanced Harmonic Filter - AHF 010The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5089

130B5089

AHF-DB-020-690-50-20-A

VLT Advanced Harmonic Filter AHF-DB-020-690-50-20-A

AHF-DB-020-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

130B5088

130B5088

AHF-DB-015-690-50-20-A

VLT Advanced Harmonic Filter AHF-DB-015-690-50-20-A

AHF-DB-015-690-50-20-A

VLT® Advanced Harmonic Filter - AHF 005The Danfoss Advanced Harmonic Filter is a compact passive harmonic filter specially designed to match the Danfoss frequency converters VLT® AutomationDrive, VLT® AQUA Drive and VLT® HVAC/R Drives. The program offers two variants, AHF 005 and AHF 010.Connected in front of the Danfoss VLT® frequency converter, the harmonic current distortion on the line is reduced to 5% or 10% at nominal load.

 		3 View Availability View Price

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