Terminal blocks with 20 mm. fixings
to accompany Terminal Heads type MA.
Number of poles -- 2, 3, 4
Material -- Ceramic

Terminal blocks with 33 mm. fixings
to accompany Terminal Heads type B.
Number of poles -- 2, 3, 4, 6
Material -- Ceramic

Terminal blocks with 40 mm. fixings
to accompany Terminal Heads type DANA.
Number of poles -- 2, 4
Material -- Ceramic