Q, QBIZ ZINSCO SINGLE POLE 120V STAB QCAL, QBIZ2 ZINSCO TWO POLE 240V THICK STAB R38 ZINSCO TWO POLE 240V TWIN STAB QFP ZINSCO TWO POLE STAB MAIN RC38, UBIZ02 ZINSCO TWO POLE THIN STAB