Eaton's Crouse-Hinds series ALTR is an economical solution for applications where the obstruction lights are difficult and/or expensive to service, such as towers or stacks with obstruction lights that are inaccessible through normal methods.
The ALTR4 alternates between each light in a double obstruction light assembly each time the tower lights are energized by the photocontrol. This ensures equal usage of the lights over the life of the fixtures. In the event one of the lights fails, the ALTR automatically energizes the operational light and provides an output for remote alarm monitoring.
The ALTR provides maximum life on both lights and essentially doubles the time between service calls.
| Catalog number | Product description |
| 70026-RTO | 120 VAC, transfer relay assembly for L-810 dual fixtures –Primary light and backup light roles set permanantly |
| 70226-RTO | 120 VAC, transfer relay assembly for L-810 dual fixtures –Primary light and backup light roles set permanantly |
| 70029-RTO | 120 VAC, alternating transfer relay assembly for L-810 dual fixtures – Primary light and backup light switch roles at eachphotocell transition (typically 12 hours) |
| 70229-RTO | 240 VAC, alternating transfer relay assembly for L-810 dual fixtures – Primary light and backup light switch roles at eachphotocell transition (typically 12 hours) |
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