This unique device will deter unauthorized door openings without restricting emergency egress when used with the 6510/xx-S35 Emergency Pull Station. The cover with sounder option 6510/COV/S can also stop false alarms through its pre-alarm local sounder action. Ideal for installation in schools, hospitals, nursing homes, stores, hotels and public buildings of almost every kind. Model 6510/COV/SR in addition to the sounder incorporates a SPDT onboard relay to send an alarm output for remote monitoring.
