Overview
The Automatic Load Control Relay (ALCR) is a UL 924 Listedemergency device that tracks the state of normal power andautomatically bypasses control of the load to the emergency stateupon loss of the normal power sense feed source. The ALCR ispowered from an always-available normal/emergency source fed byan upstream emergency transfer switch or inverter.Both the DIN rail mount model and the Power Pack model supportcontrol bypass for 0–10 V luminaires by breaking the 0–10 V controlcircuit. This will support fixtures that switch to full brightness uponloss of an incoming data signal.
The Power Pack model supports a second 0–10 V channel for tunablewhite fixtures, as well as control bypass for DMX that breaks thecontrol signal in an emergency state.
APPLICATIONS
- Any lighting control system requiring UL 924 emergency bypass of individual circuits
FEATURES
- Compatible with 120 V and 277 V power systems
- Automatically activates lighting loads upon loss of normal power sense feed source
- Provides remote activation by dry contact closure for connection to a fire alarm or building management system
Configurable “return-to-normal” delay of 0–15 minutes - Support for control bypass of connected 0–10 V controlled luminaires (ALCR-DIN and ALCR-PP-Mk2) and DMX controlled luminaires (ALCR-PP-Mk2 only)
- Maintenance-free
THERMAL
- Ambient room temperature: 0°C to 50°C (32°F to 122°F)
- Ambient humidity: 10–95% non-condensing
- REGULATORY AND COMPLIANCE
- UL 924 Listed
