Table of Contents
What Is Low-Voltage Three-phase Factor Power Capacitor?
Working Conditions of the Low-Voltage Three-phase Factor Power Capacitor
- Altitude: Installation altitude shall not exceed 1000 meters above sea level.
- Ambient Temperature: Operating ambient temperature ranges from -40°C to +40°C.
- Rated Operating Voltage: Continuous working voltage is limited to rated voltage (1.00 Un)
- Site Environment: The installation site must be free of intense mechanical vibration, corrosive harmful gas/vapor, flammable gas and explosive dust.
- Overcurrent Limit: Total steady-state current containing harmonic components shall be no higher than 1.3 times rated current (1.3 In).
- Withstand Voltage Standard: The capacitor endures 2.15× rated voltage across terminals for 10 seconds
Product Parameters
| Model | Rated Volt(KV) | Rated Capacity(Kvar) | Rated Current (A) | Rated Capacity(μF) |
|---|---|---|---|---|
| ZMKX0.48-10-3 | 0.48 | 10 | 12.0 | 138.2 |
| ZMKX0.48-15-3 | 15 | 18.0 | 207.3 | |
| ZMKX0.48-20-3 | 20 | 24.1 | 276.5 | |
| ZMKX0.48-25-3 | 25 | 30.1 | 345.6 | |
| ZMKX0.48-30-3 | 30 | 36.1 | 414.7 | |
| ZMKX0.48-40-3 | 40 | 48.1 | 552.9 | |
| ZMKG0.525-10-3 | 0.525 | 10 | 11.0 | 115.6 |
| ZMKG0.525-15-3 | 15 | 16.5 | 173.3 | |
| ZMKG0.525-20-3 | 20 | 22.0 | 231.1 | |
| ZMKG0.525-25-3 | 25 | 27.5 | 288.9 | |
| ZMKG0.525-30-3 | 30 | 33.0 | 346.6 | |
| ZMKG0.525-40-3 | 40 | 44.0 | 462.2 | |
| ZMKQ0.69-10-3 | 0.69 | 10 | 8.4 | 66.9 |
| ZMKQ0.69-15-3 | 15 | 12.6 | 100.3 | |
| ZMKQ0.69-20-3 | 20 | 16.7 | 133.8 | |
| ZMKQ0.69-25-3 | 25 | 20.9 | 167.2 | |
| ZMKQ0.69-30-3 | 30 | 25.1 | 200.7 | |
| ZMKQ0.69-40-3 | 40 | 33.5 | 267.6 |
Why Choose ZHIMING's Low-Voltage Three-phase Factor Power Capacitor?
Robust & Safe Structural Design
Each low-voltage three-phase factor power capacitor adopts sturdy sealed steel housing with reserved grounding terminals and fixed mounting fittings. Internal film-foil components are soaked in high-stability insulation liquid, optimizing heat dissipation and long-running stability of the low-voltage three-phase factor power capacitor under regular grid load.
Advanced Independent Internal Protection
Every core unit inside the low-voltage three-phase factor power capacitor is fitted with separate built-in fuse protection. When individual component goes faulty, the isolated fuse cuts off the faulty part instantly without halting the whole capacitor set, greatly lifting the operational safety of the low-voltage three-phase factor power capacitor.
Excellent Power Factor Correction Performance
The low-voltage three-phase factor power capacitor efficiently offsets inductive reactive power from motors, compressors and transformers in low-voltage three-phase grids. It effectively raises system power factor, reduces line loss and helps industrial users eliminate extra electricity penalty, the core advantage of this low-voltage three-phase factor power capacitor.
Wide Adaptable Working Environment
Custom-made low-voltage three-phase factor power capacitor supports wide ambient temperature from -40℃ to +40℃ and below 1000m installation altitude. It resists mild humidity fluctuation and minor grid harmonic interference, making the low-voltage three-phase factor power capacitor fit for factory, commercial and distribution cabinet scenarios.
Long Service Life & Cost-Effective
Made of self-healing metallized polypropylene film raw material, the low-voltage three-phase factor power capacitor delivers stable capacitance output for years with low ageing rate. Low maintenance expense and competitive unit cost make the low-voltage three-phase factor power capacitor a budget-friendly reactive power compensation option.
FAQ
What working ambient is suitable for the low-voltage three-phase factor power capacitor?
The low-voltage three-phase factor power capacitor works reliably under altitude below 1000m and ambient temperature ranging from -40℃ to +40℃. It should be installed in locations free from severe vibration, corrosive gas and explosive dust to guarantee stable service life.
Can the low-voltage three-phase factor power capacitor run continuously under overvoltage conditions?
Rated continuous operating voltage of the low-voltage three-phase factor power capacitor is 1.00 Un; long-term running overvoltage must stay lower than 1.1 Un to avoid internal component damage and premature failure.
Does the low-voltage three-phase factor power capacitor have built-in safety protection?
Yes, each core element inside the low-voltage three-phase factor power capacitor is equipped with independent internal fuse. Single unit breakdown will be isolated automatically without stopping the whole capacitor’s normal operation.
What is the maximum allowable overcurrent for the low-voltage three-phase factor power capacitor?
Total steady overcurrent including harmonic current shall not exceed 1.3 times the rated current of the low-voltage three-phase factor power capacitor, which effectively prevents overcurrent burnout under distorted grid.
Where is the low-voltage three-phase factor power capacitor commonly applied?
The low-voltage three-phase factor power capacitor is widely installed in industrial power distribution cabinets, factory power rooms and commercial power supply systems for power factor correction and reactive power compensation of inductive loads like motors and transformers.






