The 212I Door-Guard can be used for access control, security systems or anything else that requires a relay input. The non-volatile memory holds the programming even if power is removed. Best applied in low-to-normal traffic areas.
12 or 24 VAC or DC (Jumper Selectable)
On-Board 8 Amp Form “C” Relay
Three 1 amp, Form “C” Auxiliary Relays