Bundle: 3x T36 Split Core CT'sProducts Features: Split Core Single Phase 36mm Aperture 300 600A Primary Current 5A Secondary Current 1m Fly Lead (2. 5mm Wire) Accuracy Class 1 The T36 Range of Split Core Current Transformers work in conjunction with any 5A CT Operated Electricity Meters. Due to the style of these Split Core Current transformers, you can easily install them without needing to break any conductors. These 3pcs of these current transformers are perfect for Three Phase