UL/VDE va ROHS sug'urta va termostat sertifikatiga ega elektr isitish elementlari, odatda biz uni slyuda isitgichi, elektr isitish elementi, fan isitgich isitish elementi, slyuda isitish elementi, slyuda lasan isitgichi, isitgich elementi, slyuda isitish simi va isitish yadrosi va boshqalar deb ataymiz.
OCR25AL5 yoki Ni80Cr20 isitish simidan foydalanib, 300 Vt dan 5000 Vt gacha bo'lishi mumkin, biz isitish simini o'rash uchun avtomatik o'rash mashinasidan foydalanamiz, biz bahor shakli, V shakli va U shaklidagi isitish simini, sifat kafolatini vasamaradorlikni oshirish. Bu termostatni almashtirishdan himoyalangan xavfsiz tizim.