
APFC-CB
Automatic Power Factor Correction Panel
100 kVAr – 2500 kVAr
Fully automatic contactor-based APFC panel with VAR-based step compensation for precise power factor correction. Engineered for Indian industrial conditions with detuned reactor protection, up to 12 controller steps, and zero programming required for auto-operation. Reduces electricity billing demand and eliminates power factor penalties.
30 Sec Step ResponseUp to 12 Steps100–2500 kVAr
Application Areas
Steel, Cement & Metal Plants
Induction Furnaces & Heavy Loads
Commercial Buildings & Malls
Textile & Process Industries
Utilities & Distribution Substations
Renewable Energy Integration
Pumping Stations & Motor Loads
HT/LT Switchgear Panels
Key Features
Fully Automatic with Manual Mode Provision
Ensures Optimum Power for Running Loads
Compact Size — Space Efficient Design
Maintenance Free Operation
Attractive Payback Period
Reduction in Power Factor Penalty Charges
Reduction in Billing Demand
Fully Automatic Detection of Step Sizes & VAR Based Compensation
Totally Secure and Tamper Proof Operation
No Programming or Setup Needed for Auto Operation
Storage of Multiple Alarm Conditions
Equal / Binary / Unequal Step Distribution
MPP Gas Filled Capacitors (APP Oil Filled Optional)
Detuned Reactors — 7% (5.67% & 14% Optional)
Resonance Protection Available
Technical Specifications
Model: APFC-CB — Contactor Based APFC Panel
| System Specifications | |
|---|---|
| OPERATING CONDITIONS | |
| APFC Type | Contactor Based |
| Panel Ratings | 100 kVAr to 2500 kVAr |
| System Voltage (RMS) | 400 / 415 / 440 / 575 VAC |
| System Frequency (Hz) | 50 ± 5% |
| Operating Temperature Range | 0°C to 45°C |
| Relative Humidity | 0 – 95% (Non-condensing) |
| Electrical Connection | 3P4W |
| SWITCHING & CONTROL | |
| Switching | Capacitor Duty Contactor Based |
| Controller Type | 3 Phase / 1 Phase |
| Controller Steps | Maximum 12 Steps per Controller |
| Step Switching Response Time | 30 Seconds |
| Step Distribution | Equal / Binary / Unequal |
| Reactive Power Compensation | Dynamic Power Factor (Inductive Only) |
| Branch Protection (Step) | Fuse / MCB / MCCB |
| REACTOR & CAPACITOR | |
| Rectors Detuning % | 7% (5.67% & 14% Optional, as per site requirements) |
| Reactor | Iron Core Harmonic Filter Reactor with Copper/Aluminium Winding in series of capacitors |
| Reactor Loss | Less than 2% |
| Step Rating | 2kVAr, 3kVAr, 5kVAr, 7.5kVAr, 10kVAr, 12.5kVAr, 15kVAr, 20kVAr, 25kVAr, 50kVAr, 75kVAr, 100kVAr |
| Capacitor Type | MPP Gas Filled (Optional — APP Oil Filled) |
| MONITORING & DISPLAY | |
| Data Logging | Through Controller |
| Display on Controller | V, I, F, PF, Target PF, Active Energy, Reactive Energy, etc. |
| MECHANICAL | |
| Mounting | Floor Mounting |
| Dimensions (mm) | As per Steps Selection |
| Weight (kg) | As per Steps Selection |
| Ingress Protection | IP31 (IP42 Optional) |
| Color | RAL 7035 (Other shades available on request) |
| Cooling | Forced Air Cooling |
| Cable Entry | Bottom. Or as per requirement |
| CT Ratio | Depending on Load |
| PROTECTIONS | |
| Protections | Over Voltage, Over Current, Over Temperature, Short-circuit protection to each step via 3P MCB/MCCB, Resonance Protection (Optional) |
*Due to continuous R&D process the specifications mentioned above are subject to change without prior notification.
*The already installed APFC/RTPFC can be converted into Active Hybrid Power Factor mitigation.
*Specifications can be customized to suit specific requirements.
Need Help Sizing the Right APFC Panel for Your Load?
Our power factor correction engineers will assess your reactive power demand and design the optimal APFC configuration to eliminate penalties and reduce your electricity bill.
Made in India 🇮🇳