Double Dielectric Capacitor
Double Dielectric Capacitor Supplier
A Double Dielectric Capacitor is a specially engineered capacitor designed with two layers of dielectric materials, typically combining polypropylene film and polyester film. This hybrid dielectric structure significantly enhances the capacitor’s insulation strength, thermal stability, and breakdown voltage, making it ideal for industrial and heavy-duty applications. These Double Dielectric Capacitor are widely used in power factor correction, AC motor starting and running, lighting systems, air conditioners, and electrical panels. We have emerged as the organisation of choice in the supply of Double Dielectric Capacitor in Kolkata, West Bengal, Odisha, Bihar, Jharkhand, Chhattisgarh, and Assam. Our vendors built the range with modern technology to provide optimal performance and make it a viable alternative to the traditional mixed dielectric oil type capacitor. This is well-known in the market for its sturdy structure, high functional capacity, and ability for withstanding thermal and electrical stresses, making it ideal for heavy-duty applications. Clients can have this at the most cheap pricing. We supply are ecologically friendly practices safe and durable in design, and they are well-known for their dependable performance.
Key Features of Double Dielectric Capacitors
- Enhanced Dielectric Strength – Dual dielectric layers improve voltage handling capability
- Longer Operating Life – Excellent insulation resistance reduces wear and electrical loss
- Thermal Stability – Performs reliably across a wide temperature range
- Low Loss Factor (tan δ) – Ensures energy efficiency and minimal heat generation
- Compact and Durable Design – Suitable for space-constrained installations
- Self-Healing Properties – Increases reliability and safety under fault conditions
Typical Applications
- Air Conditioners (Start & Run Capacitors)
- Water Pumps and Compressors
- Lighting Fixtures and Ballasts
- Ceiling Fans and Exhaust Fans
- Industrial Motors and Control Panels
- Power Factor Correction Units
Technical Specifications (General Reference)
| Parameter | Specification |
| Capacitance Range | 1 µF to 100 µF |
| Rated Voltage | 250V AC to 500V AC |
| Frequency | 50/60 Hz |
| Tolerance | ±5% to ±10% |
| Dielectric Material | Polypropylene + Polyester |
| Operating Temperature | -25°C to +85°C |
| Shape/Design | Round or Oval (Plastic or Metal Can) |
| Safety Features | Over-pressure Disconnector (optional) |
Benefits of Choosing Double Dielectric Capacitors
- Improved durability and performance over single-dielectric capacitors
- Higher insulation resistance and surge voltage protection
- Longer service life in high-temperature and high-load conditions
- Energy-efficient operation with reduced power loss

