Overview Reviews Product Description Ferraz Shawmut TR30R Tri-Onic Fuse 30A 250V Diameter: 1/2 Inch L: 2 Inch W1027061, Dual Element, Time Delay, Class RK5, 200,000A IR AC. Product Videos Custom Field Amp 30 Volts 250 Product Reviews Write a Review Write a Review × Ferraz Shawmut Ferraz Shawmut TR30R Tri-Onic Fuse 30A 250V Diameter: 1/2 Inch L: 2 Inch W1027061, Dual Element, Time Delay, Class RK5, 200,000A IR AC Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *