Rectifier Diode Capsule Version, 200-500A E1 size (A-puk) SD200 300
Thyristor(SCR) Capsule Version, 200-400A E1(A-puk), ST200 ST300 ST400
Rectifier Diode Capsule Version, 400-600A E2 size (E-puk) SD400 500 600
Thyristor(SCR) Capsule Version, 300-500A E2(E-puk), ST300 ST400 ST500
Rectifier Diode Capsule Version, 500-600A E3 size, SD500 600
Thyristor(SCR) Capsule Version, 400-600A E3, ST400 ST500 ST600
Rectifier Diode Capsule Version, 600-800A E5 size (B-puk) SD600 SD800
Thyristor(SCR) Capsule Version, 600-800A E5(B-puk), ST600 ST800.