Simplex 4100-5115 NAC Expansion Module, 3 NACs, Class A/B SF 05/02 When using the bases with

When using the bases with one of the F220 Detectors

All SE Series wall mount models mount to standard 4-inch x 2-1/8-inch electrical boxes w/ no extension ring required and incorporate a speaker mounting plate for faster installs

The push button self-test verifies power operation and tests battery levels

and RT Series Duct Smoke Detectors

Simplex 4100-5115 NAC Expansion Module, 3 NACs, Class A/B SF 05/02 When using the bases withThe 4100 5115 Expansion NAC Module (XNAC) is an option board that provides three NACs in addition to the three NACs already on the XPS. The XNAC plugs onto the XPS. The XNAC has three NACs, each rated at 3 A. As on the XPS, there is one status LED for each NAC. DATA SHEET INSTALLATION