All of these protection assemblies now include the 2022-60-A Gas Discharge Tube (GDT) protectors which are the equivalent of the former ENP JZ gas models. Bourns has consolidated part numbers to reflect this change. These are part number changes only; the form, fi t and function of the parts is the same.

Arrester Assembly with Fuse Chassis:
374SVSR2 .......................F000096 ...................................Replaced by F000878
375SVSR2 .......................F000892 ...................................Replaced by F000878
375JZ ..............................F000878 ...................................One pair, protectors, with fuses
375SVSR2LT ..................F000894 ...................................Replaced by F1006779
375SJZLT ........................F1006779 .................................One pair, protectors, (no fuses)​

1 Pair Arrester Assembly:
R123VSR2 ......................F000108 ...................................Replaced by F000632
R123VSB ........................F000632 ...................................Protector

1 Pair Arrester Assembly with Housing:
351SVSR2 .......................F000839 ...................................Replaced by F1007669
351SJZ ............................F1007669 .................................Protector with housing

2 Pair Arrester Assembly:
R128VSR2 ....................F000996 ...................................Replaced by F000993
R128VSB .......................F000993 ...................................Protector

Multi-Pair Arrester Assembly, with and without Plastic Housing:
3932SVSR2 .....................F001055 ................................... 2 pair - Replaced by F1006780
3932SJZ .........................F1006780 ................................. 2 pair Protector with Housing
3936SVSR2 .....................F001057 ................................... 6 pair - Replaced by F1006781
3936SJZ .........................F1006781 ................................. 6 pair Protector with Housing

Multi-Pair Arrester Assembly, with and without Metallic Housing:
39512SVSR2 ...................F001058 ...................................Replaced by F1006084
39512SJZ .......................F1006084 ................................. 6) of 391SVSR2 with Housing, Protector Replacement modules: 2022-60-A