Positive Temperature Coefficient

What are PTC Heaters?

3 Phase Electric Duct Heater

What are 3 Phase Electric Duct Heaters? 

A three-phase electrical circuit can supply three times the power as a single-phase circuit at the same voltage with only one additional wire.

Commercial and Industrial duct heaters utilize 3 phase electrical power to produce more output wattage per square inch than single-phase electric heaters. Higher voltages result in higher currents and more heat output. With limited cross-section area in heating ducts, higher 3-phase voltage connections are more efficient.

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Electric Duct Heaters Explained

Electric air duct heaters are primarily used in ducts of ventilation heating systems.  These systems can be HVAC, vehicle, or industrial processes that require recirculated airflow. 

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Low Voltage Flexible Silicone Rubber Heaters

An etched foil heater is built by etching foil tracks that conduct electricity laminated between layers of silicone rubber and nylon for strength and durability.  Etched foil as a resistive element is much thinner than wire resistive elements with better heat distribution across the heater's surface.

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Evolution of Vehicle Heaters

PTC fan heaters are the modern solution to the age-old problem of providing rapid heating for automobile passengers in cold weather.  Learn how automobile heating has evolved over the last 75 years.

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PTC Heaters Meet NEC Standards

In the United States the NEC provides safety standards and codes for the installation of electrical equipment.  Find out how the use of PTC and HSSD heating elements can help meet those standards.

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