Simplex 4090-9008 Dual Relay Individual Addressable Module SF 16/12 They are precision-timed to meet

They are precision-timed to meet UL 1971 synchronization standards

When cleaning is required

Provides address setting and reading

Key lock door for recessed mount is an accessory for emergency telephone stations

Simplex 4090-9008 Dual Relay Individual Addressable Module SF 16/12 They are precision-timed to meetDual Contact Relay IAMs allow fire alarm control panels to control two remotely located Form C contact using IDNet or MAPNET II addressable communications for both data and module power. Typical applications would be for switching local power for control functions such as elevator capture, or control of HVAC components, pressurisation fans, dampers, etc. Relay status is also communicated requiring only one device address.