FB SERIES Flashers and Tower Lighting Controls

PublishTime：2021-08-17

● The FB Series is used to monitor the operation of one two-lamp incandescent beacon and one beacon flasher (or auxiliary module). The flasher and lamps are monitored by sensing the flow of current in the circuit. If the lamp(s) or the flasher fail to operate properly, a solid-state output and an isolated SPDT relay energize. When connected to a site monitoring system, this unit provides the remote beacon monitoring protection required by the FAA/FCC. On a multiple beacon structure, one unit is required for each two-lamp incandescent beacon (one unit per beacon for LED beacons).
● Operation:
■ If one lamp in an incandescent beacon fails, the relay and solid-state lamp failure outputs energize after 10s. If the flasher fails in the ON or OFF condition, the relay and the solid-state flasher failure output energizes after 6s. If both failures occur, all three outputs energize after their trip delays.
■ Note: If both incandescent lamps fail, all three outputs will energize. The relay and solid-state flasher failure output energizes after 6s, and the solid-state lamp failure output energizes after 10s.

Brand of Product：	Littelfuse
Part#：	FB SERIES 、 FB 、 FB120A 、 FB230A More Part#
Product Category：	Flashers and Tower Lighting Controls 、 Tower and Obstruction Lighting Controls 、 Flasher & Incandescent Beacon Alarm Relay More
Application：	More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	062316
Version Number：	Rev: 1-A-062316
Data Encoding：
Data Size：	321 KB

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