Two neon bulbs for phase sequence indication - first marked the caption “correct 1-2-3”, the second marked “incorrect 3-2-1”. Three neon bulbs for phase failure indication - first marked 1, second marked 2, third marked 3.
See the suggested replacement below.
Specifications
| Brand | Crompton |
| Model | 077 |
| Series | Switchboard |
| Form Factor | 4-Stud Mount, Switchboard: 4.5-Inch ANSI C39.1 |
| Input Frequency | 60Hz |
| Input Range | 100-150VAC |
| Scale, Range, or Display | Phase Sequence & AC Phase Failure |
| Tariff Code | 9030.39.3000 |
| ECCN | EAR99 |
Suggested alternatives: Compare
