Overview Reviews Product Description Mitsubishi NF-SF3050 No Fuse Breaker 50A 480V 3P 25kA with Alarm Switch. Product Videos Custom Field Amp 50 Volts 480 Poles 3 kA 25 Product Reviews Write a Review Write a Review × Mitsubishi Mitsubishi NF-SF3050 No Fuse Breaker 50A 480V 3P 25kA with Alarm Switch Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *