Enphase split core CT (400A)
https://www.acsolarwarehouse.com/shop/400a-ct-for-enphase-envoy-s-metered-19729
https://www.acsolarwarehouse.com/web/image/product.template/19729/image_1920?unique=41fca59
Internal cable space: 36x36mm
Outer dimensions: 64x41x86mm
Lead length: 1200mm