Overview Reviews Product Description Fusetron FRS-R-400 Fuse 400A 600V Duel-Element Time Delay Current Limiting RK5 Fuse. FRSR400-UA-YAG Product Videos Custom Field Amp 400 Volts 600 Product Reviews Write a Review Write a Review × Fusetron Fusetron FRS-R-400 Fuse 400A 600V Duel-Element Time Delay Current Limiting RK5 Fuse Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *