Edwards Signaling 439DEX-10AW - Like New _ Without original box 22/12 1 for information on equipment

1 for information on equipment enclosures

air and liquid temperature

The GN-503 Series is provided with a 9VDC alkaline battery for electrical back-up in the event building power is lost

All operating power for the input module is drawn from the FACP

Board (Replaces AL400ULXB)

Edwards Signaling 439DEX-10AW - Like New _ Without original box 22/12 1 for information on equipmentEdwards 439DEX Series hazardous location fire alarm bells are DC vibrating bells that produce a long, continuous ringing sound. The striker continues to strike the gong in rapid fire as long as current is applied. Diode polarized models are available for use in electrically supervised circuits.