| 775-0004-000 | DC voltage sensor for measuring voltage across the main generator or differential voltage across traction motors | ZTR | | |
| 775-0008-000 | Voltage sensor for double channel applications | ZTR | | |
| 775-0009-000 | Voltage sensor for triple channel applications | ZTR | | |
| 775-0010-000 | Voltage sensor for quad channel applications | ZTR | | |
| 775-0011-000 | Shunt interface panel for connecting up to six 200 mv/2000 amp shunts to monitor current sources on locomotives | ZTR | | |
| 775-0016-000 | Shunt panel for 2 channel applications | ZTR | | |
| 775-0018-000 | Mga panel for measuring current output of the main generator using internal current transformers | ZTR | | |
| 775-0019-000 | Shunt panel for 8 channel applications | ZTR | | |
| 775-0023-000 | Ngauge sensor head | ZTR | | |
| 775-0024-000 | AC voltage panel for 1 channel applications | ZTR | | |
| 775-0025-000 | AC voltage panel for 2 channel applications | ZTR | | |
| 775-0026-000 | AC voltage panel with 3 channels | ZTR | | |
| 775-0034-000 | Ngauge probe | ZTR | | |
| 775-0035-000 | Mga panel for ar 11 applications | ZTR | | |
| 775-0040-000 | Load control panel used with nfield to replace the oem commutator type load regulator | ZTR | | |