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High Power AC Capacitor from China Factory - Durable Metal Housing, Self-Healing Dielectric, and Heavy Current Suppliers
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
Technical data
| capacitance range(CN) | 3*30μF～3*500μF |
| Rated voltage (UN) | 400VAC～2000VAC (Customizable) |
| 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
Reference 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 are the primary applications for these three-phase AC filter capacitors?
These capacitors are widely used in high-power UPS systems, switching power supplies, solar and wind power inverters, and equipment requiring AC filtering, harmonics suppression, and power factor correction.
Can the rated voltage and capacitance be customized?
Yes. While our standard capacitance ranges from 3*30μF to 3*500μF and rated voltages range from 400VAC to 2000VAC, custom configurations can be tailored to meet your specific application requirements.
What safety features are integrated into these capacitors?
They feature UL94V-0 flame retardation, built-in discharge resistors, and high voltage isolation capability (withstanding 1000+2×Un/√2V.AC for 60 seconds between terminals and the case).
What is the expected lifetime of the capacitor under normal operating conditions?
The capacitor has a life expectancy of up to 100,000 hours when operated at the rated voltage (UN) with a hotspot temperature (Θhotspot) of 55°C or lower.
What standards do these AC filter capacitors comply with?
Our capacitors are designed, manufactured, and tested in accordance with the international standard IEC 61071 for power electronics capacitors.