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Flasher & Incandescent Beacon Alarm Relay
FB120A/FB230A
Tower Lighting Control
The FB120A and FB230A are 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 energizes. 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). 
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Senses Failed Flashing Incandescent Beacon Lamps
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Senses Failed Beacon Flasher
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Toroidal Current Sensing
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One 5 A SPDT Isolated Alarm Output
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Two 1 A Solid State Line Voltage Alarm Outputs
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Trip Delays Prevent Nuisance Alarms
Obstruction Lamp Alarm Relay
SCR490D
Beacon & Obstruction
The SCR490D Series is used to provide remote monitoring of steady burning incandescent marker and obstruction lighting. Four onboard switches allow operator programming for lighting systems with two through nine lamps on a single AC circuit. The SCR490D uses a toroidal sensor and electronic circuitry to sense the failure of one or more lamps. 
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Senses Failed Obstruction Lamps
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2 - 9 Steadily Burning Lamps can be Monitored
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Toroidal Current Sensing
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10 A Isolated SPDT Alarm Output Contacts
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1 A Solid State Line Voltage Alarm Output
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Six Second Trip Delay Prevents Nuisance Alarms
Universal Lamp Alarm Relay
SCR430T & SCR630T
Beacon & Obstruction
The SCR Series is a Unversal Lamp Alarm Relay designed to sense the failure of flashing or steady incandescent beacon lamps or steady side lights. The toroidal current sensor provides isolation and allows monitoring of more than one line at a time. The SCR Series energizes when one or more lamps fail. It will monitor the operation of one to four side lights and up to four beacon lamps. 
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Monitors Incandescent Lamps for Failure
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Senses Failed Flashing Beacon or Obstruction Lamps
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Switch Selectable Number, Voltage, & Wattage of Lamps
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10 A Isolated SPDT Alarm Output Contacts
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1 A Solid State Line Voltage Alarm Output
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Toroidal Current Sensing
Universal Lamp Alarm Relay
FB9L
LED Beacons
The FB Series is a Universal Lamp Alarm Relay designed to sense the failure of flashing LED beacon lamps. It will monitor the operation of one to eight beacons connected to a single flasher and/or auxiliary modules and the operation of the flasher. The FB Series output relay energizes when one or more lamps fail. All monitored lamps must be the same wattage and voltage. The 0.5 A solid state output energizes when a flasher failure is sensed. 
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Senses Failed Flashing Beacon Lamps
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Switch Selectable Number, of Beacons
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Senses Flasher Failure
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10 A Isolated SPDT Alarm
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10 A N.O. Line Voltage Alarm Output
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0.5 A Solid State Flasher Failure Output "F"
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Self Calibrating; No Fine Adjustment Required
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Meets FAA-AC No: 150/5345-43E
Universal Lamp Alarm Relay
SCR9L
LED Beacon & Obstruction Lamps
The SCR series is a Universal Lamp Alarm Relay designed to sense the failure of flashing or steady LED beacon lamps or obstruction lamps. The SCR Series energizes when one or more lamps fail. It will monitor the operation of one to eight beacon or obstruction lamps. All monitored lamps must be the same wattage and voltage. When connected to a site monitoring system, it provides the remote lamp monitoring protection required by the FAA-FC No: 150/5345-43E. 
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Monitors LED Lamps for Failure
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Senses Failed Flashing or Steady Beacon or Obstruction Lamps
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Switch Selectable Number, of Lamps
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10 A Isolated SPDT Alarm Output Contacts
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5 A N.O. Line Voltage Alarm Output
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Self Calibrating; No Fine Adjustment required
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Meets FA-AC No: 150/5345-43E
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