KTK-R-4 KTK-R-4 20V KTK-R-4/10 KTK-R-5 KTK-R-5-5A KTK-R-5BC KTK-R-6 KTK-R-6 (6A, 600V) CC, IR 200KA KTK-R-6/10 KTK-R-7