AC Current Clamp With BNC Output, Amperage Rating: 40 AMP: 0.5 - 40 AMP, 400 AMP: 5 - 400 AMP, Voltage Rating: 1000 VAC, Frequency Rating: 45 - 400 HZ, Operating Temperature: 0 - 50 DEG C, Dimensions: 5.09 IN Length X 2-3/4 IN Width X 1.18 IN Height, 2.5 MR Output Cable Length, Accuracy: 40 AMP: 2 PCT Plus 0.015 AMP, 400 AMP: 2 PCT Plus 0.04 AMP, 5 - 10 KHZ Typical Bandwidth, 32 MM Maximum Conductor Size, CSA And CE Certified, CAT IV 600 V, CAT III 1000 V