According to the thyristor, there are two types : Enhanced type and Half Wave type.

Type: Basic Type M3D 38 A
Enhanced Type M3D 48 A
Enhanced Type M3D 120 A
Basic Type M3A 48 A

Type: MH3100Z-3
MH3200Z-3

Type: High-Voltage Type M3A 38 A
Enhanced Type M3A 120 A

Type: MS-BF
Color choices：Gray，Blue，Red

Type: MS-SC
Nominal voltages: 120,220,240,277,120-277,480VAC，50/60 HZ；10A/16A

Type: MS-B
Nominal voltages: 120,220,240,277,120-277,480VAC，50/60 HZ；6A/10A

Type: MS-ASC
Nominal voltages: 120,220,240,277,120-277,480VAC，50/60 HZ；6A/10A

Application: work with LED，HID，incandescent
Nominal voltage: DC12,24,48V;AC120,240;85-265V;3A/6A/10A

Application: work with LED，HID，incandescent
Nominal voltage: AC120V,240V; 50/60Hz;10A

Application: work with LED，HID，incandescent
Nominal voltage: AC120V,240V;50/60Hz;6A/10A

Type: MSA
Nominal voltage: 120,220,240VAC;50/60Hz