Accuracy: class 1.5 (over 60a class 2.5) Specifications: 0.1a, 0.5a, 1a, 1.5a, 3a, 5a, 7.5a, 10a, 15a, 20a, 25a, 30a, 50a, 75a, 100a and if over 100a, meters can be contacted current transformer with secondary current 5a or 1a. Adantage: the scare can be easily changed without opening the front frame so that the class will not be influenced.