#6) RRU , RRU-1 , RRU-2
UL924 Shunt Relays
The versatile RRU Product series includes:
- RRU with Form C Contact (N/O & N/C) 10 A rated - typically used for interfacing between control systems such as lighting control panels, fire alarms, and wireless control relays.
- RRU-1 with N/C Contact 20 A rated - typically used in "shunt relay" applications for bypassing a wall switch on emergency circuit, or for turning on normally-off emergency lights.
- RRU-2 with N/O Contact 20 A rated - typically used for load shedding applications to reduce the lighting load on a circuit during emergency operation for power limited emergency systems such as inverters. Also used for breaking low voltage dimming circuits.
- RRU-Plenum Mount with N/O + N/C 20A with LED indicator / Hub for KO mount
The RRU series can be mounted inside a standard junction box, flourescent ballast channel, or behind a wall switch.