Fire relay module 12V
July 15, 2025
12Vdc 5 amp multi-indicator power supply unit small box
July 15, 2025
2 door interlock board
£43.99
This PCB is designed to make the installation of multi-door security interlock (airlock style) systems simple and economical by ensuring one door has to be closed before the other door in the system can be released.
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