Relay Drivers

Provide power to external devices

 

A21REL-12 Relay Driver

A21REL-12 Relay Driver

The A21REL-12 contains four single-pole double-throw internal relays that control up to four external AC or DC devices.

A6REL-12 Relay Driver

A6REL-12 Relay Driver

The A6REL-12 drives 6 internal relays to control up to 12 external AC or DC devices. Each relay set can be...

About Relay Drivers

Relays are devices that can provide power directly to external devices that have modest power requirements, such as the small fans used in our Bowen ratio systems. Alternatively, these relay drivers can provide control signals to heavy-duty external relays that in turn can control power to heavy-duty, high-power equipment such as ventilation fans, aquacultural aerators, refrigeration units, or other electrically powered machinery.