Dipolar type temp. controller

The utility model discloses a dipolar temperature controller. The utility model comprises a downward-concave base, a metal cover body, a bimetallic strip, four contact pieces, a pair of reeds and a push rod, wherein, the four contact pieces and the pair of springs from a dipolar normally closed switch. When temperature changes, the bimetallic strip generates deformation; the deformed bimetallic strip makes the reeds and the contact pieces at left sides separated through the push rod to make the original normally closed switch switched off. The utility model can simultaneously and entirely cut off fire wires and zero lines of electrical appliances to enhance user's safe feeling and eliminate unsafe hidden dangers.