Document - Specifications: Rated Voltage : 250V; Rated Current : 10A; Cutoff Temperature : 185°C Fuse Size : 4 x 13 mm / 0.16"" x 0.51"" (D*L); Total Length : 64mm / 2.52""; Main Material : Metal; Package Contents : 10 pcs x Temperature Fuse. Description:Metal RY thermal fuse (thermal cut off, temperature fuse) which use heat sensitive grain materials (organic chemical) as heat sensitive material. - Function is to cut off the circuit of appliances when temperature exceed specified TF value because of unexpected fault.