This is a new Microtemp Fuse for Trane American Standard electric furnaces .

 Thermal cutoff with this fuse offer an accurate, reliable solution to upper limit temperature protection. 

Acts as “one shot” or TCO, the Thermal Cutoff provides low cost protection against

 over-heating by interrupting an electrical circuit when operating temperatures exceed

 the rated temperature of the cutoff- 128 C or 262 F. 

Maximum operating current 250 VAC @ 16 Amps