PTC Heaters

High-Performance PTC Heaters for Your Heating Needs

Explore KLC’s full lineup of PTC heaters—engineered with self-regulating ceramic PTC technology for responsive, safe, and energy-efficient heating. Ideal for applications ranging from EVs to home appliances and industrial systems.

What is a PTC Heater?

A PTC heater utilize Positive Temperature Coefficient thermistors to provide self-regulating and safe heating. These heating elements automatically reduce current draw as temperature rises. Learn more about the science behind PTC thermistors.

PTC Air Heaters Models

Voltage: 3V – 999V
UL / CSA / CE / VDE Certified
IP68 Waterproof Options

Model	Dimensions (mm)	Tube No.	Fin Width (mm)	Fin Pitch (mm)	Standard	Wired
MH	26 x 90 x L (70~492)	2 or 3	90	1.2 / 2.0 / 2.6	Terminal type	Available
MSH	26 x 65 x L (70~492)	3	65	1.68 / 2.6	Terminal type	Available
SH	26 x 65 x L (70~492)	2	65	1.68	Terminal type	Available
TH	26 x 45 x L (70~492)	2	45	2.0	Terminal type	Available
OH	26 x 30 x L (30~492)	1	30	1.68	Terminal type	Available
SS	22×22.3×15 ~ 361×267.6×15	–	–	–	Compact SS Type	–
STW New!	10x10x10 ~ 999×337.5×25	–	–	–		High Voltage STW
MTH New!	26 x 50 x L (70~492)	3	50	1.68	Terminal type	Available

PTC Heat Conductors Models

Max Power : up ~ 2000W
Surface Temperature : 60°C ~ 240°C
Voltage :AC/DC 12V~520V (Custom higher Voltage, please contact our engineer team.)
Standard Lead Wire :22AWG 210mm (black)

New! LCH-M

Why Choose KLC’s PTC Heaters?

Our PTC heaters are UL, CE, and CSA approved and manufactured under IATF 16949-certified processes, ensuring exceptional product reliability and safety.

Safety First: Certified by UL, CSA, CE ensuring global compliance.
Smart Self-Regulation: PTC materials prevent overheating, extending heater lifespan.
Wide Applications: From electric vehicles to household dryers and industrial systems.
Custom Solutions: Flexible design and engineering support for unique requirements.

Advantages of KLC PTC Heaters

IP68 Certified Durability: Our PTC heaters are rigorously IP68 certified, making them ideal for a wide range of applications. Whether you need heaters for automotive, marine, or outdoor use, they are up to the task.
Voltage Flexibility: Choose from a wide voltage range, from 12V AC/DC to 800V, ensuring seamless integration with your power source and project requirements.
Versatile Power Range: Tailor your heating power with options ranging from 30W to 10000W, offering versatility for projects of all sizes.
Customization Options: Select live parts or insulation to customize your PTC heater, ensuring a perfect fit for your project’s unique specifications.
Adjustable Airflow: Achieve optimal heat distribution by choosing the ideal airflow, ensuring efficient and effective performance.
Efficient Multi-Stage Heating: Our PTC Air Heaters introduce an innovative multi-stage heating feature, delivering enhanced power efficiency and prolonged heater life.

KLC PTC Heating Technology you can trust

Our PTC heaters are UL, CE, and CSA approved and manufactured under IATF 16949-certified processes, ensuring exceptional product reliability and safety.

In-house R&D lab and material testing
3D thermal simulation and modeling
Over 30 international patents

PTC Hot Air Testing Overview
KLC conducts PTC hot air testing to evaluate the thermal performance, air velocity, and surface temperature of its PTC air heaters under various voltage and airflow conditions. This testing ensures product reliability, thermal stability, and consistent self-regulation behavior.

Key Parameters Measured:

Air outlet temperature (°C)
Surface temperature of heater fins (°C)
Max voltage and Max Inrush current (V/A)
Power@Air Speed 6.4m/s (W)
Heating time to target temperature (seconds)

Test data helps engineers validate product performance and select the optimal PTC heater model for specific applications, including automotive HVAC, dryers, and defrost systems.

Key Features

Self-Regulating: Automatically adjust their power as temperature rises—no external controller needed.
Safe Operation: The self-limiting temperature prevents overheating, ensuring reliable and safe performance.
Energy Efficient: Fast heat-up with low energy consumption over time makes our heaters cost-effective and eco-friendly.

PTC Heater Multi-Stage Heating Control

Complete Your Project with PTC Heater Accessories

PTC Air Heater and bracket Enhance your project’s efficiency with our selection of optional PTC heater accessories, available for purchase:

– High-Temperature Mounting Frames
– Thermostats
– Safety Fuses
– Fans
– Time-Temperature Controllers
– Terminal Wire Sets

Our Commitment to Excellence

At KLC, we take immense pride in our commitment to excellence. Our PTC heaters are:

– Solution Ready: We offer a comprehensive solution that streamlines your heating projects.
– Steady Performance: Count on our heaters for consistent and reliable performance.
– Fast Quote: Receive prompt quotations for your PTC heating requirements.
– Best Technical Support: Rely on our experts for guidance and support throughout your project.

Explore the exceptional capabilities of KLC PTC Heaters and find the perfect heating solution for your needs. Contact us today at +886-4-25330456 or via email at info@ptc-heater.com.tw for a quote and discover the future of efficient heating solutions.

PTC Heater Specifications

Extra-high heating efficiency fin pitches: 1.2mm, 1.68mm
Extra-low air resistance fin pitches: 2.0mm, 2.6mm
Includes built-in safety fuse
Voltage options: AC/DC 3V ~999V
Power range: 50W~10,000W
Waterproof IP68 certified durability of choice
Choice of Live Parts or Electrical Insulation
Efficient Multi-Stage Heating
Certified safety standards: CUL, CSA, VDE, TUV
Patents held in the US, Germany, France, Britain, Taiwan, and China

PTC Heater Industries & Applications

They are used across various industries for safe and efficient heating:

Automotive & EVs: Cabin heating, battery preheating, EV chargers.
HVAC: Dehumidifiers, air conditioners, space heaters, Aircraft air conditioners, Heat exchanger preheating.
Electronics: hand dryers, clothes dryers, dish dryers, shoe dryers.
Medical: Infant incubator, Medical culture dish.
Industrial: Coffee bean roaster, Forklift cabin heating, Heat deworming equipment, Heat conversion & warming equipment.

Feel free to request our comprehensive PTC Heater catalog, which includes more detailed information such as specifications, features, and applications. If you have any questions about our products, please don’t hesitate to contact us at any time.

Frequently Asked Questions (FAQs)

Q1 What are PTC heaters used for?

Thety are used in a wide range of applications including electric vehicles (EVs), HVAC systems, battery heating, defrosting, air purification, and household appliances such as air dryers and hand warmers.

Q2 What makes PTC heaters energy-efficient?

They have a self-regulating feature that increases resistance as the temperature rises, which limits current flow and eliminates the need for external sensors. This makes them inherently safe and energy-efficient.

Q3 Are KLC PTC heaters certified?

Yes, KLC’s PTC heaters are UL and CSA certified, and every PTC air heater undergoes strict hot air testing to guarantee safe and consistent performance.

Q4 What types of PTC heaters are available?

KLC offers various PTC heating products including PTC air heaters, PTC Heat Conductors, PTC Air heaters for Electric Vehicles, PTC heater for constant battery discharge, and High Voltage PTC heaters.

Q5 Can PTC heaters be customized?

Absolutely. KLC offers engineering customization services including simulation analysis, thermal testing, and 3D modeling to match your application’s exact requirements.