... year. 4.UL,VDE, CSA, ROHS The 17AM thermal protector protects against overheating& over-currrent in various motors,transforms,ballasts ... both sides.2. Nicety open Temp Temperature of thermal protector is controlled and checked by automatic device.This will ... 4. Double protect The thermal protector are sensitive to temperature and current.It is added to circuit in series. 17AM series thermal protector