XL10B Single Phase CT 1000-7500A Primary Input / 5A Secondary OutputNew MD5T Replacement Product Features: 167 x 66mm Aperture 1000 75000A Primary Current 5A Secondary Current Secondary M4 Screw Terminals Accuracy Class 0. 5, 1 or 3 The XL10B Range of Solid Core Current Transformers work in conjunction with any 5A CT Operated Electricity Meters. You can use individual XL10B CTs for Single Phase applications, you can also use three of these current transformers for Three Phase applications. The XL10B is ideal for