8566-521 SIMPLEX 4100U ES 100W Amplifier Board Surface Box All devices feature plug-in designs

All devices feature plug-in designs with minimal intrusion into the backbox

with its NEMA-4 rating

the TG-7E-A uses dialer capture to receive signals from the panel and transmit them to a central station

Easily accessible code wheels on sensor head (sold separately)

8566-521 SIMPLEX 4100U ES 100W Amplifier Board Surface Box All devices feature plug-in designs8566 521 SIMPLEX 4100U ES 100W Amplifier Board The 8566 521 SIMPLEX 4100U ES 100W Amplifier Board is a high performance addition to your fire alarm system. With its advanced technology and 100W capacity, it ensures efficient and reliable amplification for clear and immediate notification in case of emergencies. Upgrade your safety measures with this powerful amplifier board. Specifications Weight 13 lbs Brand Simplex Condition Refurbished Production