Overview Reviews Product Description Intermatic AG6503 Surge Arrester 600V 3 Phase Black. Product Videos Custom Field Volts 600 Product Reviews Write a Review Write a Review × Intermatic Intermatic AG6503 Surge Arrester 600V 3 Phase Black Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *