... shielding )4, sheath: high-termperature-resistent PVC or high-temperature-resistent silicon rubber5, power range: 300w-3000w,6,rated ... shielding)4,sheath: high-termperaure-resistant PVC or hight temperature-resistent silicon rubber5,power range:300w-2600w,6,rated ... -saving,5,extremely long service life without maintenance,6,intelligent temperature control tha ensures the accurate control based on time ...