PTC Cermic fan heater: 1.aluminum shell Coated 2.With ROHS. UL. 3.customized order PTC ceramic fan heater : ·Self-regulating operation·No glowing parts ·No excess temperature protection required·Various geometries possible ·Available for all voltage ranges(3V to 660V)·Wide choice of surf. temperatures (40 to 320 °C) ·Prepared for clamping with plane-parallel contact surface·Long service life PTC ...