Morningstar RB-RELAY ReadyRelay Expansion Block

The Morningstar ReadyRelay (RB-RELAY) adds advanced load control, dry contact signaling, and automated generator management to Morningstar charge controllers equipped with ReadyRail, such as the GenStar MPPT. Featuring dual SPDT dry contact relays, it enables intelligent automated switching for generators, HVAC ventilation, lighting, and system alarms based on real-time operational parameters or scheduled logic. Designed for snap-in ReadyRail expansion, the ReadyRelay integrates hardware and software controls seamlessly into LiveView software without requiring external wiring adapters or extra power supplies.

• MPN & Compatibility: RB-RELAY; designed for GenStar MPPT and ReadyRail-equipped Morningstar host components.

• Dual SPDT Relays: Provides two independent Single Pole Double Throw dry contact relays rated up to 250 VAC / 220 VDC (6A) for flexible load switching.

• Automated Load & Generator Control: Supports automatic generator start/stop (AGS), load shedding, and alarm signaling based on real-time battery status or schedule logic.

• Snap-In ReadyRail Setup: Installs directly into ReadyRail slots for automatic software recognition without external power or network wiring.

• Status LEDs & Warranty: Built-in relay state and status indicator LEDs; backed by Morningstar's 5-Year Limited Warranty.