Overview Reviews Product Description Pioneer Instrumentation 55 RL-501 Current Transformer 600V Ratio: 500:5. Product Videos Custom Field Ratio 500:5 Product Reviews Write a Review Write a Review × Pioneer Instrumentation 55 RL-501 Current Transformer 600V Ratio: 500:5 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *