Overview Product Description Crompton 256-PLLU Protector Relay Input: 480V AC 60Hz. Product Videos Custom Field Volts 480 Hz 60 Bin Location Q-2-1-3 Product Reviews Write a Review Write a Review × Crompton Crompton 256-PLLU Protector Relay Input: 480V AC 60Hz Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *