SIMPLEX 8742-346 CPU Board 23/12 with patented electronics

with patented electronics

Surface Box - for sounder base (use with -AB4G models only)

The candela setting is displayed through the front window for easy identification All device settings are located on the back of the unit to prevent tampering

The EVAX panel is housed in a surface or semiflush mounted backbox with a hinged and key locked door

The DPST Manual Pull Station provides a Dual Pole

SIMPLEX 8742-346 CPU Board 23/12 with patented electronicsThe Simplex 8742 346, also known as the 742 346, is a 4009A CPU Board designed for use in Simplex 4009 9201 Notification Appliance Circuit (NAC) Panels. This CPU board serves as the central processing unit for the NAC panel, managing the control and distribution of power to notification appliances such as horns, strobes, and speakers within a fire alarm system. DATA SHEET