Overview Reviews Product Description Crompton 816-943 Current Transformer 500/5 Ratio Coil Type: 816-943. Product Videos Custom Field Ratio 500:5 Product Reviews Write a Review Write a Review × Crompton Crompton 816-943 Current Transformer 500/5 Ratio Coil Type: 816-943 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *