RD-1 Morningstar Relay Driver Module

Morningstar Relay Driver Module RD-1

The Morningstar Relay Driver Module RD-1 is a programmable relay output accessory designed for use with Morningstar TriStar and ProStar solar charge controllers. It enables automated control of external loads, generators, or alarms based on battery voltage, state of charge, or other system conditions — adding intelligent load management to any Morningstar-based solar installation.

Key Features

• Programmable relay output — automate loads, generators, or alarms based on system conditions
• Compatible with TriStar and ProStar — works with Morningstar MeterBus-equipped controllers
• Flexible trigger conditions — configure based on battery voltage, SOC, or time
• Easy installation — connects via MeterBus port on compatible controllers

Ideal For

• Off-grid solar systems requiring automated load control
• Generator start/stop automation
• Low battery alarm systems
• Any Morningstar TriStar or ProStar installation requiring relay control

Ships from Thunder Battery — Canada's trusted solar equipment dealer.