How many light bars (RRFBs) can I sustainably connect to my R920-MX system?
This article details the maximum number of light bars that can be connected to Carmanah R920-MX RRFB systems.
Product applicability
The following products are discussed in this article:
- MX Series: R920-MX
Please refer to the table below for the maximum number of light bars MX Series systems can accommodate. We recommend using the "distributed approach" when wiring several light bars to one system.
| Power Module | Type | Maximum Number of RRFBs |
| MX 100 | Solar Contained Solar | 10 |
| MX 200 | Solar Contained Solar | 10 |
| MX 300 | Power Cabinet (solar or AC capable) |
10 |
| MX 400 | Power Cabinet (solar or AC capable) |
10 |
The maximum current output to the RRFBs is limited to 5 A.
System sizing for solar applications may not support up to 10 light bars for your location.
To maintain reliable wireless communications between power module and flashers, the recommended maximum distance between power module and the farthest flasher module is 75 ft.