HW2 SERIES STEP / MONOSTABLE & CALL / RESET RELAY

Floor fire safety alarm system (The fire alarm switch on each floor is the call switch,

which can only be turned on but can’t be turned off. The reset switch is installed in

the control room and supervised by a specially-assigned person.)

There’s also small-scale call system with low cost (Community hospitals, welfare

homes, or some small-scale places that need constant supervision. Each room or

each bed is equipped with a call switch for emergency use. Reset switch is installed

in designated place under supervision.)