Notifier CPU2-640E Central Processing Units 240 VAC SF 23/10 The System Sensor 2W-B is

The System Sensor 2W-B is an i3-Series conventional

The GN-503FF features two (2) sets of Form A/Form C contacts that activate independently for smoke and CO events

and each model has a built-in level adjustment feature and snap-on cover with no visible mounting screws

The speaker terminals accept up to #12 AWG (2

One Open Circuit

Notifier CPU2-640E Central Processing Units 240 VAC SF 23/10 The System Sensor 2W-B isThe NFS2 640E is an intelligent, field programmable Fire Alarm Control Panel. Field programming the control panel lets you customize the fire alarm system by selecting and setting program options for intelligent addressable detectors and modules, Panel Circuits, and Notification Appliance Circuits (NACs). DATA SHEET