Cranford Controls R12B – 12V Auxiliary Relay Unit (Surface Mounted)
The R12B is a 12V auxiliary relay unit designed to switch additional field devices using its two relay outputs. A front-mounted LED provides a clear indication of relay operation. The supply voltage to the relay coil can be passed through the unit via the additional terminals provided. Each device is protected against reverse polarity for added reliability.
Key Features
Available as a PCB version for integration inside PSUs, control panels, and enclosures
Self-contained version housed in a robust metal enclosure
Single-gang plate version features “Auxiliary Relay Operated” legend
Custom legends or alternative languages available on request
Surface-mounted for easy installation