FB120A/FB230A Flasher & Incandescent Beacon Alarm Relay Features:

Flasher & Incandescent Beacon Alarm Relay
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 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) .
For more information see:
Appendix B, page 167, Figure 32 for dimensional drawing.
Appendix C, page 171, Figure 31 for connection diagram.
FB120A/FB230A
Features:
• Senses failed flashing incandescent beacon
lamps & beacon flashers
• Toroidal current sensing
• One isolated, 5A, SPDT alarm output
• Two 1A, solid-state line voltage alarm
outputs
• Trip delays prevent nuisance alarms
Available Models:
FB120A
FB230A
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.
Order Table:
Input
120VAC
230VAC
Lamp Type
Incandescent Beacon
Incandescent Beacon
Part Number
FB120A
FB230A
Specifications
Input Voltage
FB120A . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC ±15%
FB230A . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230VAC ±15%
AC Line Frequency . . . . . . . . . . . . . . . . . . 50/60Hz
Lamp Socket Voltage . . . . . . . . . . . . . . . . . ±10%; 50/60Hz
Alarm Outputs
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 total - 1 relay, 2 solid state;
One isolated SPDT relay rated 5A resistive
Two solid-state line voltage outputs
rated 0.5A steady, 5A inrush
Lamp Failure Detection
FB120A . . . . . . . . . . . . . . . . . . . . . . . . . . . . For two 620W or 700W lamps
FB230A . . . . . . . . . . . . . . . . . . . . . . . . . . . . For two 500W or 700W lamps
Trip Delays
Flasher Failure . . . . . . . . . . . . . . . . . . . . . . Fixed at 6s; -0/+40%
138
Lamp Failure . . . . . . . . . . . . . . . . . . . . . . . Fixed at 10s; -0/+40%
LEDs
Lamp Failure (Red) . . . . . . . . . . . . . . . . . . Glows when one or both lamps fail
Flasher Failure (Red) . . . . . . . . . . . . . . . . . Glows when the flasher fails
Protection
Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . Encapsulated
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . Surface mount with two #6 (M3.5 x 0.6) screws
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 3.5 x 2.5 x 1.75 in. (88.9 x 63.5 x 44.5 mm)
Termination . . . . . . . . . . . . . . . . . . . . . . . . 7 position barrier block for 20 AWG (0.5 mm2)
to 14 AWG (2.5 mm2) wire
Environmental
Operating / Storage Temperature . . . . . -40° to 60°C / -40° to 85°C
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≅ 7 oz (198 g)
www.ssac.com • 800-843-8848 • fax: 605-348-5685
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

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