Multiple installation photos of the Auto Trace Heater!

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last updated：Oct 21, 2025

西都電機

Capable of a wide range from 65℃ to 235℃! This is a reliable, safe, and process heating auto-trace freeze prevention heater!

Even without using a thermostat, it prevents overheating and burning, ensuring reliable and safe freeze protection and process heating. It is an auto-trace heater that can be cut to the required length on-site. 【Self-regulating heater product list】 ■ Up to 65°C ・Self-regulating trace heater: BTV1-CT, -CR (100V) ・Self-regulating trace heater: BTV2-CT, -CR (200V) ■ Up to 110°C ・Self-regulating trace heater: QTV1-CT, -CR (100V) ・Self-regulating trace heater: QTV2-CT, -CR (200V) ■ Up to 120°C ・Self-regulating trace heater: XTV1-CT, -CR (100V) ・Self-regulating trace heater: XTV2-CT, -CR (200V) ■ Up to 150°C ・Self-regulating trace heater: KTV1-CT, -CR (100V) ・Self-regulating trace heater: KTV2-CT, -CR (200V) ■ Up to 235°C ・Self-regulating trace heater: VPL1-CT (100V) ・Self-regulating trace heater: VPL2-CT (200V)

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basic information

**Principle of Self-Control** A resistive element composed of a special blend of polymers and conductive carbon forms countless parallel electrical paths along the entire length of the two conductors. When the element heats up, this core expands slightly. This increases the electrical resistance and reduces the heater's output. When the core's temperature decreases, it contracts slightly, reducing electrical resistance and increasing the heater's output. This technology allows the heater to continuously respond to changes in temperature. In this way, the principle of the auto-trace heater is suitable for energy conservation.