Apollo 55000-146APO Heat Detector 09/03 Electrical conduit knockouts are provided

Electrical conduit knockouts are provided on the sides and top providing installers with multiple options for installing conduits and providing proper power separations

128-bit AES encryption

Firefighter telephone systems provide two-way communications for facilities where radio communications may not be available or are unreliable

With an extended temperature range of –40°F to 150°F (–40°C to 66°C)

Apollo 55000-146APO Heat Detector 09/03 Electrical conduit knockouts are providedThe Series 65A Heat Detector monitors temperature by using a dual thermistor network which provides a voltage output proportional to the external air temperature. There are nine heat detectors in the Series 65A range designed to suit a wide variety of operating conditions.