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High Power AC Capacitor from China Factory | Compact Design & Reliable Suppliers for Heavy Current Applications

Product Description
Discover our high-quality metal rectangular housing capacitors, proudly manufactured in China. These capacitors feature a self-healing metalized film dielectric, ensuring reliability and longevity. Designed for both vertical and horizontal installation, our compact capacitors are ideal for a range of applications. With superior power capacity and heavy current withstand ability, our products are trusted by top suppliers in the industry. Choose us as your go-to factory for durable and efficient capacitor solutions that meet your specifications

    Application

    Being applied to high-power UPS, switching power supply, Solar/wind power inverter, and equipments for the AC filter, harmonics and power factor correction.

    Typical circuit diagram

    Typical circuit diagramrca

    Technical data

    capacitance range(CN) 3*30μF~3*500μF
    Rated voltage (UN) 400VAC~2000VAC (Customziable)
    Cap.tol ±5%/±10%
    Max current(Irms Max) 85A
    Voltage between terminals 2.15 Un (VAC)
    Voltage between terminals and case 1000+2×Un/√2V.AC 60S
    Over Voltage 1.1UN(30% of on-load-duration)
    1.15UN(30min/day)
    1.2UN(5min/day)
    1.3UN(1min/day)
      1.5UN (30mins/time 1000 times in lifetimes)
    Dissipation factor tgδ≤0.002 f=100Hz
    Tgδ0≤0.0002
    Insulation resistance (Built-in discharge resistors)
    ESL <100nH
    Flame retardation UL94V-0
    Maximum altitude for use 2000m
    Life expectancy 100,000h(UN; Θhotspot ≤55 °C )
    working temperature -40℃~85℃
    Reference standard IEC 61071

    Life expectancy in the graph

    3phase capacitor lifetime curv1

    Reference Outline

    • 3phase AC capacitor
    • 3phase power capacitor outline

    Specification Sheet

    Three-phase AC filter capacitor in Wye/Delta connection
    Ref No Rated Voltage Un Cn (μF) ESR (mΩ) Irms max.(A) H (mm) Rth(℃/W)
    1 400VAC 3×133 0.4 45 190 0.49
    2 400VAC 3×150 0.35 50 205 0.44
    3 400VAC 3×183 0.29 60 245 0.36
    4 400VAC 3×217 0.25 72 285 0.31
    5 400VAC 3×250 0.21 85 325 0.26
    7 500VAC 3×70 0.61 30 165 0.76
    8 500VAC 3×117 0.36 50 245 0.45
    9 500VAC 3×140 0.3 55 285 0.38
    10 500VAC 3×167 0.26 70 330 0.32
    11 550VAC 3×67 0.64 30 160 0.79
    12 550VAC 3×93 0.46 35 205 0.57
    13 550VAC 3×117 0.36 50 245 0.45
    14 550VAC 3×133 0.32 55 280 0.4
    15 550VAC 3×167 0.28 70 330 0.32
    16 690VAC 3×67 0.53 30 200 0.66
    17 690VAC 3×83 0.42 40 250 0.53
    18 690VAC 3×100 0.35 50 290 0.44
    19 690VAC 3×117 0.31 55 330 0.38

    Frequently Asked Questions (FAQ)

    What applications are these three-phase AC filter capacitors suitable for?
    These capacitors are designed for high-power UPS systems, switching power supplies, solar and wind power inverters, AC filtering, harmonics mitigation, and power factor correction equipment.
    What is the rated voltage and capacitance range of the capacitors?
    The capacitance ranges from 3*30μF to 3*500μF, and the rated voltage spans from 400VAC up to 2000VAC, with customizable options available to meet specific application demands.
    What is the expected lifetime of these AC filter capacitors?
    Under rated voltage (UN) and a hotspot temperature of 55°C or lower, the capacitors offer a long life expectancy of up to 100,000 hours.
    Do these capacitors come with built-in safety features?
    Yes, they are equipped with built-in discharge resistors and meet the UL94V-0 flame retardation standard for optimal operating safety.
    What reference standard do these capacitors follow?
    These three-phase AC filter capacitors are designed and tested in compliance with the IEC 61071 standard.
    What are the environmental limits for operating these capacitors?
    They feature a working temperature range of -40℃ to 85℃ and are suitable for use at a maximum altitude of 2000 meters.

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