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CYLINDRICAL LOW-VOLTAGE SHUNT POWER CAPACITORS BKMJ6 SERIES

Compact cylindrical design for stable power quality

Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
Cylindrical Low Voltage Shunt Capacitors BKMJ6 Series product image
  • Multilevel overpressure safety protection of the BKMJ6 capacitor

    Multilevel Overpressure Safety Protection

  • Premium BOPP self-healing metallized film dielectric

    Premium BOPP Self-healing Film

  • Over 100,000 hours design service life

    >100,000 Hours Design Service Life

  • -25°C to +55°C wide operating temperature range

    -25℃ ~ +55℃ Wide Operating Range

  • 360° flexible bottom mounting

    360° Flexible Bottom Mounting

  • Compatible with various capacitor cabinet layouts

    Fit for Various Cabinet Layouts

  • Withstanding up to 200 A surge current

    Withstand up to 200A Surge Current

  • Low loss and low capacitance drift

    Low Loss & Low Capacitance Drift

  • Get Free Technical Quotation Download Full Datasheet PDF
    Quick Specs
    Rated Voltage Rated Power Range Frequency Core Performance Mounting Type
    0.1kV – 1.0kV 1kvar – 50kvar 50 / 60Hz tanδ ≤ 0.001, Capacitance Drift <1% Split-phase / Three-phase / Single-phase Bottom Bolt Mount
    Typical Applications
    Solar PV and distributed wind power application icon

    Renewable Energy (Solar PV & Distributed Wind)

    Stabilize grid voltage, compensate reactive power fluctuation for grid-tied new energy stations

    Industrial manufacturing plant application icon

    IndustrialManufacturing Plants

    Improve power factor, reduceutility penalty, offset reactive lossfrom motors & VFDs

    Commercial buildings and data center application icon

    Commercial Buildings& Data Centers

    Optimize power quality for largeoffice buildings, malls and critical IT power distribution rooms

    Power transmission line and EV charging station application icon

    Municipal Distribution& Charging Stations

    Suitable for both centralized anddistributed low voltage reactivepower compensation systems

    Why Choose This Product

    Multi-level Safety Protection Design:

    Built-in overpressure explosion-proof device, aluminum alloy sealed shell and self-healing BOPP film, automatically isolate tiny breakdown points, avoid short circuit and capacitor burst failure, greatly improve operation safety.

    Flexible & Universal Installation:

    Bottom bolt mounting design, support 360° wiring adjustment, compatible with split-phase, three-phase and single-phase cabinet layouts, easy for on-site assembly and retrofitting.

    Ultra Long Service Life:

    Adopt high-grade metallized polypropylene film, optimized internal winding structure, design service life exceeds 100,000 hours; capacitance loss less than 1% after long-term operation, stable performance.

    Strong Surge & Environment Adaptability:

    Withstand up to 200A inrush current, operate stably in -25℃ to +55℃ ambient temperature and ≤90% humidity, adapt to harsh industrial site environment.

    Low Loss & Energy Saving:

    Ultra-low dissipation factor (tanδ ≤ 0.001), low heating during continuous operation, reduce line loss and help enterprises cut electricity cost.

    WORKING PRINCIPLE
    Working principle diagram of the BKMJ6 cylindrical shunt power capacitor

    This cylindrical shunt capacitor uses high-quality BOPP metallized polypropylene film as the core dielectric, connected in parallel in low voltage systems.
    It compensates reactive power generated by inductive loads (motors, inverters, transformers), raises system power factor, stabilizes grid voltage, and reduces transmission loss.
    The self-healing function automatically repairs tiny breakdown points on the film by evapor

    INTERNAL STRUCTURE

    Integrated fully-sealed structure design, all internal components adopt industrial-grade materials, stable performance under high temperature, high humidity and harsh working conditions.

    1.High Temperature Insulation Terminal:

    High-voltage resistant bushing, withstand large inrush current, stable wiring connection

    High-voltage resistant bushing and terminal of the capacitor

    2.Built-in Overpressure Protection Device :

    Automatic pressure relief under abnormal operation, prevent explosion, ensure operation safety

    Pressure relief safety device on top of the capacitor

    3.Epoxy Resin Sealing Layer:

    Fully insulated sealing, anti-humidity, anti-leakage, extend internal component life

    Internal insulation cylinder of the capacitor element

    4.BOPP Metallized Self-healing Film Core:

    High-grade polypropylene film dielectric, core functional component for reactive power compensation

    Metallized polypropylene film winding element

    5.Aluminum Alloy Shell:

    Corrosion-resistant metal sprayed housing, good heat dissipation, sturdy for industrial environment

    Corrosion-resistant metal housing of the capacitor
    MANUFACTURING & QUALITY CONTROL

    Precision Automated Production:

    Full-automatic BOPP film winding machine, composite metal spraying process and unified sealing workshop, ensure consistent batch quality and stable performance.

    Multi-stage Strict Testing:

    Full inspection including dissipation factor test, dielectric withstand voltage test, overvoltage aging test and surge current impact test before delivery.

    Traceable Quality Management:

    Each capacitor marked with unique production batch code, full process traceable, strictly follow IEC international production standards.

    40+ Years Process Accumulation:

    Mature manufacturing technology from Gaoyun Electric, low failure rate, design service life exceeds 100,000 hours.

    Technical Specifications
    Model Rated Voltage (kV) Rated Power (kvar) Rated Capacitance (µF) Rated Current (A) External Dimensions (D×H,mm) Mounting Size (d×h,mm)
    BKMJ6 0.25-5-3YN 0.25 5 254.8 6.7 Φ86×235 M12*16
    BKMJ6 0.25-10-3YN 0.25 10 509.6 13.3 Φ86×235 M12*16
    BKMJ6 0.25-15-3YN 0.25 15 764.3 20 Φ106×235 M12*16
    BKMJ6 0.25-20-3YN 0.25 20 1019.1 26.7 Φ116×235 M16*24
    BKMJ6 0.25-25-3YN 0.25 25 1273.9 33.3 Φ126×235 M16*24
    BKMJ6 0.25-30-3YN 0.25 30 1528.7 40 Φ136×235 M16*24
    BKMJ6 0.28-5-3YN 0.28 5 203.1 6 Φ86×235 M12*16
    BKMJ6 0.28-10-3YN 0.28 10 406.2 11.9 Φ86×235 M12*16
    BKMJ6 0.28-15-3YN 0.28 15 609.3 17.9 Φ96×235 M12*16
    BKMJ6 0.28-20-3YN 0.28 20 812.4 23.8 Φ106×235 M12*16
    BKMJ6 0.28-25-3YN 0.28 25 1015.5 29.8 Φ106×235 M12*16
    BKMJ6 0.28-30-3YN 0.28 30 1218.6 35.7 Φ116×280 M16*24
    BKMJ6 0.3-5-3YN 0.3 5 176.9 5.6 Φ86×235 M12*16
    BKMJ6 0.3-10-3YN 0.3 10 353.9 11.1 Φ86×235 M12*16
    BKMJ6 0.3-15-3YN 0.3 15 530.8 16.7 Φ96×235 M12*16
    BKMJ6 0.3-20-3YN 0.3 20 707.7 22.2 Φ106×235 M12*16
    BKMJ6 0.3-25-3YN 0.3 25 884.6 27.8 Φ116×235 M16*24
    BKMJ6 0.3-30-3YN 0.3 30 1061.6 33.3 Φ116×280 M16*24
    BKMJ6 0.45-5-3 0.45 5 78.6 6.4 Φ76×170 M12*16
    BKMJ6 0.45-10-3 0.45 10 157.3 12.8 Φ76×170 M12*16
    BKMJ6 0.45-15-3 0.45 15 235.9 19.3 Φ86×235 M12*16
    BKMJ6 0.45-20-3 0.45 20 314.5 25.7 Φ96×235 M12*16
    BKMJ6 0.45-25-3 0.45 25 393.2 32.1 Φ106×235 M12*16
    BKMJ6 0.45-30-3 0.45 30 471.8 38.5 Φ106×280 M12*16
    BKMJ6 0.45-40-3 0.45 40 629.1 51.3 Φ116×280 M16*24
    BKMJ6 0.48-5-3 0.48 5 69.1 6 Φ76×235 M12*16
    BKMJ6 0.48-10-3 0.48 10 138.2 12 Φ76×235 M12*16
    BKMJ6 0.48-15-3 0.48 15 207.3 18 Φ86×235 M12*16
    BKMJ6 0.48-20-3 0.48 20 276.5 24.1 Φ96×235 M12*16
    BKMJ6 0.48-25-3 0.48 25 345.6 30.1 Φ106×235 M12*16
    BKMJ6 0.48-30-3 0.48 30 414.7 36.1 Φ106×280 M12*16
    BKMJ6 0.48-40-3 0.48 40 552.9 48.1 Φ116×280 M16*24
    BKMJ6 0.525-10-3 0.525 10 115.6 11 Φ76×235 M12*16
    BKMJ6 0.525-15-3 0.525 15 173.3 16.5 Φ96×235 M12*16
    BKMJ6 0.525-20-3 0.525 20 231.1 22 Φ106×235 M12*16
    BKMJ6 0.525-25-3 0.525 25 288.9 27.5 Φ116×235 M16*24
    BKMJ6 0.525-30-3 0.525 30 346.6 33 Φ116×280 M16*24
    BKMJ6 0.525-40-3 0.525 40 462.2 44 Φ126×280 M16*24

    Full model list available in downloadable datasheet.

    DIMENSIONS & CAD DOWNLOADS
    Dimension drawing of split-phase, three-phase and single-phase cylindrical capacitors

    Dimension Note

    Terminal spacing varies with shell diameter for three-phase models:

    For enclosures <Φ106mm:
    terminal spacing = 30mm

    For enclosures ≥Φ116mm:
    terminal spacing = 35mm

    Download 2D CAD Drawing Download Full Dimension Manual Download Complete Product Datasheet
    CERTIFICATIONS

    All BKMJ6 series capacitors pass authoritative third-party testing, meet global grid access standards, suitable for overseas engineering and commercial projects.

    ISO 9001 quality management system certificate

    ISO 9001 Quality Management System

    ISO 14001 environmental management system certificate

    ISO 14001 Environmental Management System

    ISO 45001 occupational health and safety management system certificate

    ISO 45001 Occupational Health And Safetyl Management System

    CE certification

    CE Certification

    CCC certification

    CCC Certification

    SUCCESSFUL PROJECT CASES
    30 MW distributed solar PV station

    Case 1: 30MW Distributed Solar PV Station

    Pain Point:

    Low power factor, grid voltage fluctuation, reactive power gap

    Solution:

    120 sets of BKMJ6 cylindrical capacitors + detuned filter reactors

    Effect:

    Power factor stabilized at 0.96+, meet local grid connection requirements

    Automotive manufacturing plant with robotic welding lines

    Case 2: Automotive Manufacturing Plant

    Pain Point:

    Massive VFD harmonic load, monthly power factor penalty

    Solution:

    Three-phase BKMJ6 capacitor bank + intelligent compensation controller

    Effect:

    Reduce line loss by 11%, eliminate power factor penalty charges

    Commercial data center power distribution room

    Case 3: Commercial Data Center Power Room

    Pain Point:

    Voltage instability, high requirement for power supply reliability

    Solution:

    Split-phase BKMJ6 distributed compensation system

    Effect:

    Smooth grid voltage fluctuation, improve IT equipment operation stability

    FREQUENTLY ASKED QUESTIONS
    1. Can I customize rated voltage and kvar for BKMJ6 capacitors?
    Yes, we support OEM & ODM customization for voltage, capacity and shell size according to project requirements.
    2. What reactor should I match with this cylindrical capacitor?
    7% detuned reactors for general industrial scenes; 14% detuned reactors for scenes with heavy 3rd harmonic.
    3. What is the standard delivery time?
    7-15 working days for standard models; 20-25 working days for customized specifications.
    4. What is the maximum operating altitude?
    Standard models are suitable for altitude ≤2000m; high-altitude customized version is available on request.
    5. Do you provide technical support for installation?
    We provide global remote guidance, and on-site commissioning support for large turnkey projects.
    Related Products
    Need a customized reactive power solution for your project?

    Send us your grid parameters and load conditions, our engineering team will provide free technical drawing and quotation within 24 working hours.

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