1. Product Introduction
This PTC (Positive Temperature Coefficient) ceramic air heater is a high-efficiency, self-regulating heating component. It features automatic constant temperature control, energy-saving performance, fast heating, and long service life. The fully insulated structure ensures safe operation in various ventilation and heating applications.
2. Technical Specifications
| Parameter | Value |
|---|---|
| Heating Power | 150W, 200W (Optional) |
| Working Voltage | DC: 12V, 24V, 48V; AC: 110V, 220V (Optional) |
| Heating Element | PTC ceramic chip |
| Surface Temperature | 50°C - 270°C (self-limiting, adjustable by model) |
| Insulation Class | B / F (customizable) |
| Insulation Resistance | ≥ 100 MΩ |
| Withstand Voltage | 1250V / 1min (no breakdown) |
| Working Environment Temperature | -20°C ~ +85°C |
| Working Environment Humidity | ≤ 90% RH (non-condensing) |
| Size | 75*76*26mm |
| Type | Radiator |
| Origin | Mainland China |
| Certification | NONE |
3. Product Features
- Self-Thermostatic: PTC material automatically limits temperature without additional control devices.
- Energy Saving: High electro-thermal conversion efficiency, low power consumption.
- Safe & Insulated: Fully insulated structure prevents leakage, suitable for air-heating equipment.
- Stable Performance: Not easily affected by voltage fluctuations.
- Wide Application: Used in air blowers, dehumidifiers, heaters, air dryers, small heating equipment, etc.
4. Setup and Installation Instructions
- Install the heater in a well-ventilated area. Ensure air flows through the heating surface.
- Do not block or cover the heater during operation.
- Fix the heater securely using mounting holes or brackets to avoid vibration damage.
- Connect wires correctly according to voltage markings.
- Ensure all wiring is insulated and protected to prevent short circuits.
- For DC models, observe correct polarity (+/-).
5. Operation & Maintenance
Operation Guidelines:
- Operate only under rated voltage and power.
- Keep the surface clean and free of dust, lint, or flammable materials.
- Do not use in explosive or corrosive environments.
Maintenance Guidelines:
- Regularly check wiring and insulation for damage.
- Disconnect power before cleaning or maintenance.
- Do not disassemble the heating element by yourself.
6. Safety Precautions
- Do not touch the heating surface during operation to avoid burns.
- Do not use in sealed spaces without air circulation.
- Keep away from water, moisture, and flammable gases.
- In case of abnormal heat, smoke, or damage, cut off power immediately.
- Keep out of reach of children.
7. Troubleshooting
If you encounter issues with your PTC Ceramic Air Heater, please refer to the following common troubleshooting steps:
- No Heat Output: Ensure the heater is connected to the correct voltage and power supply as specified for your model. Check all wiring connections for looseness or damage.
- Overheating or Unusual Odor: Immediately disconnect power. Verify that the heater is installed in a well-ventilated area and that there are no obstructions blocking airflow to the heating surface.
- Visible Damage or Smoke: Disconnect power immediately and cease use. Do not attempt to repair the unit yourself.
8. Scope of Application
This PTC Ceramic Air Heater is suitable for a wide range of applications, including:
- Small air heaters
- Air circulators and blowers
- Dehumidification equipment
- Drying devices
- Heating modules for electrical appliances
- Industrial and civil constant temperature heating systems
9. Packaging & Labeling
Each unit typically includes:
- PTC ceramic air heater × 1
- This user manual
- Voltage and power label
For a simplified version or a datasheet with table-only specifications, please refer to the official PDF document: User manual (PDF)
10. User Tips
- For optimal performance and longevity, ensure the heater is always used within its specified voltage and power limits.
- Regularly inspect the heater for any accumulation of dust or debris on the heating fins, as this can reduce efficiency and pose a fire hazard.
- When integrating the heater into a larger system, always consult with a qualified electrician to ensure proper wiring and safety measures are in place.
11. Warranty & Support
For any questions, technical support, or warranty inquiries regarding your PTC Ceramic Air Heater, please contact the seller or manufacturer directly. Keep your purchase records handy for faster service.





