Home / Products / APF/AHF / Wall-mounted APF/AHF Active Power/Harmonic Filter

400V Self-healing Capacitor-cylindrical BKMJ0.46-30-3

1.Rated Voltage(Ue)：250v~525v, up to 2000v
2.Frequency：50/60Hz
3.Compact design，equipped with grounding bolt
4.Potting material: PU resin (soft resin)
5.Easy installation and wiring
6.Small size, Light weight
7.Self-healing, Maintenance-free
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50KVAR Self-healing Capacitor for PFC(Power factor correction)-square BKMJ

1.Rated Voltage(Ue)：100v~1000v
2.Installation Indoor
3.Case material Galvanized steel sheet
4.Output Range 10~100kvar
5.Frequency 50/60Hz
6.Connection configuration D, Y, YN, III
7.Terminal Block ：M6, M8, M10 (According to capacitor power)
8.Lose tanδ<0.001 (20°C 50Hz)
9.Temprature -25°C~50°C
10.Highest Altitude 2000m
11.Capacitor (to wall) pitch ≥50mm
12.Capacitance Deviation -5%~+10%
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BKMJ0.4KV Submerged Arc Furnace Capacitor

1.Frequency 60Hz
2.Capacitance Deviation -5%~+10%
3.Max Current 2.5×In
Equipped with discharge resistors
4.Integrated with independent over-voltage protection devices
5.Superior self-healing performance and extended service life
6.Low-loss factor, dry-type design with leakage-free construction
7.Equipped with discharge resistors
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10KV High voltage Shunt High-Voltage Capacitors

1.Rated Voltage:6kV,10kV,35kV
2.Rated Capacity:1-100Mvar(per bank)
3.The capacitor is mainly consisted of container and device body.
4.The core is consisted of severalelements and insulation parts. The element is rolled, pressed andmade of two aluminum foilsand somepiece of thin dielectric polypropylene films sandwiched betweenthe two aluminum foils. In order to reach the differentdemand of voltage and capacity, the elements in core is connected by someseriesand parallelmethod. The technology of aluminum foiledge folding and protruding weldingare used to reduce the loss and increase the performance of partial discharging.
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Wall-mounted APF/AHF Active Power/Harmonic Filter

1.Rated Input:400V*(1±20%)
2.Power Grid Frequency:50Hz/60Hz
3.Real-time tracking:
Maintains system power factor at 0.99 through linear, bidirectional (capacitive/inductive) compensation.
4.Active technology:
Prevents resonance/harmonic amplification; efficient even under low-voltage conditions.
5.Modular design:
Wall-mounted

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Product Introduction

1.Wall-Mounted APF/AHF Active Power/Harmonic Filter: Optimize Power Quality & Efficiency

Industrial and commercial facilities face growing challenges with harmonic distortion, voltage instability, and energy waste. Our Wall-mounted APF/AHF Active Power/Harmonic Filter offers a compact, intelligent solution to eliminate harmonics, stabilize power grids, and reduce operational costs. Designed for 400V systems with ±20% voltage tolerance, this modular device ensures compliance with IEC 61000 and IEEE 519 standards while boosting energy efficiency.

Wall-mounted APF/AHF Active Power/Harmonic Filter

2.Technical Specifications

Rated Input: 400V ±20%
Frequency: 50Hz/60Hz
Power Factor: Maintains 0.99 via bidirectional compensation
Key Technology: Active harmonic filtering prevents resonance, even in low-voltage conditions
Design: Modular, wall-mounted installation

Module Model
Models	Compensation Capacity (A)	System Voltage (V)	Dimensions Width * Depth * Height (mm)	Cooling System
AMS AHF-0.4-25A/4L-R(W)	25	400	46049089	Forced air cooling
AMS AHF-0.4-50A/4L-R(W)	50	400	46049089	Forced air cooling
AMS AHF-0.4-75A/4L-R(W)	75	400	500510190	Forced air cooling
AMS AHF-0.4-100A/4L-R(W)	100	400	500550240	Forced air cooling
AMS AHF-0.4-150A/4L-R(W)	150	400	500550240	Forced air cooling
AMS AHF-0.5-100A/4L-R(W)	100	500	495675275	Forced air cooling
AMS AHF-0.69-100A/4L-R(W)	100	690	495675275	Forced air cooling
Cabinet model
Models	Compensation Capacity (A)	System Voltage (V)	Dimensions Width * Depth * Height (mm)	Cooling System
AMS AHF-0.4-200A/4L-C	200	400	100010002200	Forced air cooling
AMS AHF-0.4-250A/4L-C	250	400	100010002200	Forced air cooling
AMS AHF-0.4-300A/4L-C	300	400	100010002200	Forced air cooling
AMS AHF-0.4-400A/4L-C	400	400	100010002200	Forced air cooling
AMS AHF-0.4-500A/4L-C	500	400	100010002200	Forced air cooling
AMS AHF-0.4-600A/4L-C	600	400	100010002200	Forced air cooling
AMS AHF-0.5-200A/4L-C	200	500	100010002200	Forced air cooling
AMS AHF-0.5-300A/4L-C	300	500	100010002200	Forced air cooling
AMS AHF-0.5-400A/4L-C	400	500	100010002200	Forced air cooling
AMS AHF-0.69-200A/4L-C	200	690	100010002200	Forced air cooling
AMS AHF-0.69-300A/4L-C	300	690	100010002200	Forced air cooling
AMS AHF-0.69-400A/4L-C	400	690	100010002200	Forced air cooling
	220V Series	380V Series	500V Series	690V Series
Altitude	＜2000m, Usage should be de-rated according to the international standard IEC 3859-2 for altitudes above 2000 meters.
Ambient Temperature	-10~+50 ℃ (derated above 40 ℃)
Relative Humidity	≤ 90%, monthly minimum temperature 25 ℃, no condensation on the surface
Pollution Level	Below Level III
Operating Voltage	AC220V±20%	AC380V（-20%~+20%）	AC500V±20%	AC690V（-20%~+15%）
Operating Frequency	50Hz/60Hz (45Hz~63Hz)
Rated Compensation Capacity	25A	25A, 50A, 75A, 100A, 150A	100A
Power Grid Structure	L/N	Three-phase three-wire, Three-phase four-wire
Numbers in Parallel	Not supported	Unlimited
System Efficiency	≥97%
Switching Frequency	32kHz	16kHz	12.8kHz
Function Selection	Harmonics	Harmonics, Harmonics+Unbalanced
Compensation Scope	2~50 times, with adjustable compensation rate per time		2-25 times, with adjustable compensation rate per time
Harmonic Compensation Rate	＞92%
Full Response Time	<10ms	<40ms
Noise	≤60dB		≤65dB
Communication	2*RS485 Communication Ports (Supports GPRS/WIFI)
Protection	Overload, software/hardware over current, power grid over voltage/under voltage, power failure, over-temperature, frequency abnormality, short circuit protection		Overload, software/hardware over current, power grid over voltage/under voltage, power grid voltage imbalance, power failure, over-temperature, frequency abnormality, short circuit protection
Installation	Rack-Mounted, Wall-Mounted		Rack-Mounted
Entry Line Method	Rear Inlet (rack-mounted), Top Inlet (wall-mounted)		Rear Line
Protection Level	IP20

3.Why Our Wall-Mounted APF/AHF Stands Out?

1. Advanced Harmonic Suppression

Using real-time tracking and adaptive algorithms, our filter reduces Total Harmonic Distortion (THD) to <3%, protecting sensitive equipment like PLCs and HVAC systems from damage.

2. Space-Saving & Scalable

The wall-mounted design saves floor space, while modular units allow easy capacity expansion—ideal for factories, hospitals, or data centers with evolving power needs.

3. Energy Cost Reduction

By correcting power factor to near-unity (0.99), our Wall-mounted APF/AHF Active Power/Harmonic Filter lowers utility penalties and cuts energy bills by up to 30%, delivering ROI within 12–18 months.

4. Rugged Reliability

Built to withstand temperature fluctuations (-25°C to +55°C) and dusty environments, it ensures 24/7 operation with a MTBF of 150,000+ hours.

4.Real-World Applications

🏭 Industrial Manufacturing

Pain Point Solved: Frequent motor burnout due to 5th/7th harmonics in automotive assembly lines.
Result: 40% fewer downtime incidents at a Guangdong steel plant after installation.

🏥 Commercial Buildings

Pain Point Solved: HVAC system failures caused by voltage flicker in a Shanghai shopping mall.
Result: Stable operation with 22% annual energy savings.

🖥️ Data Centers

Pain Point Solved: Server crashes from harmonic interference in a Shenzhen hyperscale facility.
Result: Zero downtime since deployment, with seamless SCADA integration.

5.How It Works: Simplified

1. Detect: Sensors identify harmonic frequencies (e.g., 150Hz, 250Hz).

2. Analyze: DSP calculates compensating current in <50μs.

3. Correct: IGBT inverters generate anti-phase currents to neutralize harmonics.

6.Built to Last: Manufacturing Excellence

Certifications: ISO 9001, ISO 14001, CE, UL, CCC
Quality Control: 72-hour aging tests + 100% load validation before shipment
Patents: 13 utility patents in harmonic filtering algorithms

7.FAQs

Can this filter handle EV charging station harmonics?

Yes! Our APF/AHF suppresses interharmonics up to 2kHz, making it suitable for 150kW+ EV chargers.

What’s the installation timeline?

Typical deployment takes 4–8 hours for a 400V/250A system.

Do you provide cybersecurity features?

All units include SSL-encrypted communication for safe integration with smart grids.

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8.Why Partner With Us?

17 Years of Expertise: Serving 1,200+ clients across 30 countries
Global Support: 48-hour response time for technical queries
Custom Solutions: Tailored designs for mining sites, offshore platforms, and more

9.Contact Us

Contact Our Team Today about Wall-mounted APF/AHF Active Power/Harmonic Filter.

Email: xaxd_electric@163.com

Get a free power quality audit + ROI analysis within 24 hours.

10.Factory Show

11.Equipment Display

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12.Application Cases

State Grid systems, power engineering, steel and metallurgy, petrochemicals, rail transportation, energy and water conservancy, construction, environmental protection, and renewable energy sectors