Datasheet > FB120A

FB120A

更新时间： 2024-09-14 14:56:39

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	240K
描述
工作原理 If one lamp in an incandescent beacon fails, the relay and solidstate lamp failure outputs en

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FB120A 数据手册

Flashers and Tower Lighting Controls

Tower and Obstruction Lighting Controls

FB SERIES

Flasher & Incandescent Beacon Alarm Relay

Description

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.

Wiring Diagram

N/L2

Features & Beneﬁts

FEATURES

BENEFITS

Reliable low cost monitoring of the ﬂasher and

lamps through built-in CT and provides isolation

from the monitored circuit

Toroidal current sensing

Failsafe beacon

monitoring

Alarm monitors for failed incandescent lamps in

addition to ﬂasher function

One isolated, 5A, SPDT

alarm output plus two,

1A, solid-state line

When connected to a site monitoring system, it

provides the remote beacon monitoring protection

required by the FAA / FCC.

voltage alarm outputs

Fixed trip delays for

ﬂasher (6s) and lamp

(10s) failures

Prevents nuisance alarms

V = Voltage

B = Beacon

F = Flasher

T =Toroid

BRC = Flasher Bypass Relay Contacts

AR = FB Alarm Relay

BR = Bypass Relay Coil

FL = Flasher Failure LED

LL = Lamp Failure LED

AXL = Lamp Alarm Relay Coil

Ordering Information

MODEL

FB120A

FB230A

LINE VOTAGE

LAMP TYPE

120VAC

230VAC

Incandescent Beacon

NOTE: Flasher module may be located on either the line or load side of the toroidal sensor.

If you don’t ﬁnd the part you need, call us for a custom product 800-843-8848

www.littelfuse.com/fb

Rev: 1-A-062316

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与FB120A相关器件

型号	品牌	获取价格	描述	数据表
FB120FRH-A	NEC	获取价格	Board Connector, 120 Contact(s), 5 Row(s), Female, Right Angle, Solder Terminal
FB120MSP2-A-1	NEC	获取价格	Board Connector, 120 Contact(s), 5 Row(s), Male, Straight, Press Fit Terminal
FB120MSP2-A-S1-A	NEC	获取价格	Board Connector, 120 Contact(s), 5 Row(s), Male, Straight, Press Fit Terminal
FB120MSP4-A-S1	NEC	获取价格	Board Connector, 120 Contact(s), 5 Row(s), Male, Straight, Press Fit Terminal
FB120MSP4-A-S1-A	NEC	获取价格	Board Connector, 120 Contact(s), 5 Row(s), Male, Straight, Press Fit Terminal
FB1212N-1W	MORNSUN	获取价格	SINGLE OUTPUT DC-DC CONVERTER
FB1212S-1W	MORNSUN	获取价格	DUAL/SINGLE OUTPUT DC-DC CONVERTER
FB1212S-2W	MORNSUN	获取价格	SINGLE OUTPUT DC-DC CONVERTER
FB1215N-1W	MORNSUN	获取价格	SINGLE OUTPUT DC-DC CONVERTER
FB1215S-1W	MORNSUN	获取价格	DUAL/SINGLE OUTPUT DC-DC CONVERTER

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