Power Factor Correction Shunt Capacitors from China Suppliers - High-Quality Factory Solutions for Power Quality Improvement

Flair, a leading factory and supplier in China, offers advanced solutions for power factor control and filtering. Our PFC capacitors are designed with high-quality capacitor banks equipped with protection devices to safeguard against overheating, overcurrent, and overpressure.
These capacitors can be configured for both single-phase and three-phase systems, providing flexibility to meet various requirements.
Shunt capacitors are primarily utilized for reactive power compensation in power systems, effectively enhancing the power factor and improving overall power quality. In contrast, our filter capacitors are specifically engineered to eliminate frequency harmonics within power systems, ensuring optimal performance. Choose Flair for reliable power factor control and filtering solutions from a trusted China supplier.

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PRODUCTS DETAILS

Flair Shunt Capacitor Design Features

1

Dielectric: Metalized film

2

Filling Material: Heat convertible resin

3

Safety Protection Device: Each element is mounted with a safety protection device to prevent explosion or short-circuit failures, ensuring failed elements separate cleanly from the circuit.

4

Built-in Discharge Resistor: Available for rapid voltage reduction.

5

Package: Stainless steel shell, hermetically sealed

6

Frequency: 50Hz

7

Shell Construction: 1mm galvanized stainless steel shell with superior heat dissipation effect

8

Thermal Optimization: Sufficient space between elements to lower internal temperature and boost heat dissipation

9

Internal Fuse: Integrated protection available

10

Internal Busbar: Pure copper busbar connection (low current density, low contact resistance, low loss)

11

Discharge Performance: Fixed connection discharge resistor (decreases voltage below 75V within 3 minutes after power cut-off, upon request)

12

Environment Temperature: -20°C ~ +50°C

13

Operational Altitude: Below 2000m

Flair Shunt Capacitor Design

Specification Table

Model Capacity Current Capacitance Weight Dimension (mm)
kvar A μF kg Length Width Height
3-Phase 400VAC 50Hz Indoor
FACS-BC3 25 20.8×3 166×3 5.0 200~240 112 242
FACS-BC3 30 25.0×3 199×3 5.0 200~240 112 242
FACS-BC3 40 33.3×3 265×3 6.5 200~240 112 306
FACS-BC3 50 41.7×3 332×3 7.8 200~240 112 370
FACS-BC3 60 50.0×3 398×3 9.0 200~240 112 435
3-Phase 460VAC 50Hz Indoor
FACS-BC3 20 14.5×3 100×3 4.2 200~240 112 178
FACS-BC3 25 18.1×3 125×3 5.0 200~240 112 242
FACS-BC3 30 21.7×3 150×3 5.0 200~240 112 242
FACS-BC3 40 29.0×3 201×3 6.5 200~240 112 306
FACS-BC3 50 36.2×3 251×3 7.8 200~240 112 370
FACS-BC3 60 43.5×3 301×3 9.0 200~240 112 435
Application Note: The capacitor internal is not connected; generally used for capacitor triangle connection angle in the fling-cut switch.
FACS-BC3 Specification
Model Capacity Current Capacitance Weight Dimension (mm)
kvar A μF kg Length Width Height
3-Phase 400VAC 50Hz
FACS-BC3Y 6 8.7 119 3.6 200~240 112 114
FACS-BC3Y 12 17.3 239 4.3 200~240 112 178
FACS-BC3Y 18 26.0 358 5.1 200~240 112 242
FACS-BC3Y 24 34.6 477 6.5 200~240 112 306
FACS-BC3Y 30 43.3 597 7.8 200~240 112 370
FACS-BC3Y 36 52.0 716 9.1 200~240 112 435
3-Phase 440VAC 50Hz
FACS-BC3Y 7 9.2 115 3.6 200~240 112 114
FACS-BC3Y 14 18.4 230 4.3 200~240 112 178
FACS-BC3Y 21 27.6 345 5.1 200~240 112 242
FACS-BC3Y 29 38.1 477 6.5 200~240 112 306
FACS-BC3Y 36 47.2 592 7.8 200~240 112 370
FACS-BC3Y 43 56.4 707 9.1 200~240 112 435
Application Note: The capacitor internal is wye (star) connection.
FACS-BC3Y Specification
Model Capacity Current Capacitance Weight Dimension (mm)
kvar A μF kg Length Width Height
3-Phase 400VAC 50Hz Indoor
FACS-BC 20 28.9 398 4.2 200~240 112 178
FACS-BC 25 36.1 497 5.0 200~240 112 242
FACS-BC 30 43.3 597 5.0 200~240 112 242
FACS-BC 40 57.7 796 6.5 200~240 112 306
FACS-BC 50 72.2 995 7.8 200~240 112 370
FACS-BC 60 86.6 1194 9.0 200~240 112 435
3-Phase 460VAC 50Hz Indoor
FACS-BC 20 25.1 301 4.2 200~240 112 178
FACS-BC 25 31.4 376 5.0 200~240 112 242
FACS-BC 30 37.7 451 5.0 200~240 112 242
FACS-BC 40 50.2 602 6.5 200~240 112 306
FACS-BC 50 62.8 752 7.8 200~240 112 370
FACS-BC 60 73.3 903 9.0 200~240 112 435
Application Note: The harmonic filtering capacitor is usually connected with a reactor in series to filter harmonic frequencies in the power system.
FACS-BC Specification

Frequently Asked Questions (FAQ)

Q: What is the dielectric and casing material of these shunt capacitors?
They utilize high-grade metallized film as the dielectric and are encased in a 1mm galvanized, hermetically sealed stainless steel shell with heat-convertible resin filling, delivering robust environmental protection and superior heat dissipation.
Q: How does the built-in safety protection device work?
Each internal capacitor element features an independent safety protection mechanism and optional internal fuse. In the event of an element failure or overpressure, it disconnects immediately to prevent short circuits and explosion hazards.
Q: How quickly does the discharge resistor reduce residual voltage?
Upon request, the integrated fixed connection discharge resistor reduces the terminal voltage to below 75V within 3 minutes of power disconnection for enhanced maintenance safety.
Q: What are the differences between FACS-BC, FACS-BC3, and FACS-BC3Y?
FACS-BC is standard for series reactor harmonic filtering, FACS-BC3 has unconnected internal terminals suited for external delta configurations, and FACS-BC3Y features an internal wye (star) connection for specific power factor compensation circuits.
Q: What are the operational limits for temperature and altitude?
The capacitors are engineered to operate reliably in ambient temperature ranges from -20°C to +50°C and at installation altitudes up to 2000 meters above sea level.

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