Flashers and Tower Lighting Controls
Flashers
FSU1000 SERIES
Description
The FSU1000 incorporates an onboard adjustable flash rate
of 10 to 100 FPM and a universal input voltage in one device.
Its circuitry is encapsulated and is capable of controlling loads
of up to 20A. The versatility of the FSU1000 makes it ideal for
applications where various flash rates and operating voltages
are required.
Operation
When input voltage is applied to terminal 2 and the load (lamp),
the load energizes steadily. When input voltage is applied to
terminal 3, the output flashes.
Optional Low Current Switch (S1):
This low current switch
could be a limit switch or contact. While open, the operator sees
the load (lamp) ON and operating. When the limit switch closes,
the load (lamp) flashes to attract attention.
Wiring Diagram
L1
N/L2
Features & Benefits
FEATURES
V = Voltage
S1 = Optional low
current switch
L = Load
BENEFITS
Allows flexibility for a wide range of applications
with one part
Provides flexibility for user to select flash rate
between 10 - 100 FPM
No moving parts to arc and wear out over time and
encapsulated to protect against shock, vibration,
and humidity
Allows direct operation of high current loads
without a contactor
Universal input voltage
24 to 240VAC
Onboard adjustable
flash rate
Totally solid state
and encapsulated
High output rating up
to 20A, 200A inrush
Accessories
P1015-13
(AWG 10/12),
P1015-64
(AWG 14/16),
P1015-14
(AWG 18/22)
Female Quick
Connect
These 0.25 in. (6.35 mm) female terminals are
constructed with an insulator barrel to provide
strain relief.
LOAD RATING
Ordering Information
MODEL
INRUSH RATING
FSU1000
FSU1003
FSU1004
FSU1005
10A
60A
100A
200A
1A
6A
10A
20A
P1015-18 Quick Connect to Screw Adapter
Screw adapter terminal designed for use with
all modules with 0.25 in. (6.35 mm) male quick
connect terminals.
If you don’t find the part you need, call us for a custom product 800-843-8848
Specifications
© 2016 Littelfuse Protection Relays & Controls
www.littelfuse.com/fsu1000
Rev: 1-A-062316
Flashers and Tower Lighting Controls
Flashers
FSU1000 SERIES
Specifications
Technical Data
Operation
Flash Rate
ON/OFF Ratio
Input
Range/Frequency
Output
Load Type
Maximum Load Rating
Inrush
Mechanical
Mounting*
Dimensions
FSU1000
FSU1003, FSU1004
Termination
Protection
Circuitry
Environmental
Operating/Storage
Temperature
Weight
ON/OFF recycling solid-state flasher
(continuous duty)
Adjustable 10 - 100 FPM
≅
50%
24 to 240VAC / 50/60Hz
Inductive, resistive, or incandescent
1, 6, 10, or 20A steady state
10 times steady state current
Surface mount with one #10 (M5 x 0.8) screw
H
50.8 mm (2”);
W
50.8 mm (2”);
D
30.7 mm (1.21”)
H
50.8 mm (2”);
W
50.8 mm (2”);
D
38.4 mm (1.51”)
0.25 in. (6.35 mm) male quick connect terminals
Encapsulated
-20° to 60°C (240VAC +50°C) /
-40°
to 85°C
1A units:
≅
2.4 oz (68 g)
≥ 6A units:
≅
3.9 oz (111 g)
Flasher Function Diagram
FLASHER NC
V = Voltage
S1 = Initiate Switch
L = Load
R = Reset
T1 = ON Time
T2 = OFF Time
T1
≅
T2
*Units rated > 6A must be bolted to a metal surface using the included heat sink compound.
The maximum mounting surface temperature is 90°C.
© 2016 Littelfuse Protection Relays & Controls
www.littelfuse.com/fsu1000
Rev: 1-A-062316
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