FTR-K1 SERIES
COMPACT POWER RELAY
FBR572, 582 Series
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1 POLE x 2 - 12A (28VDC)
(For 24V battery automotive applications)
FEATURES
Two independent relays mounted in a single package
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High current contact capacity
(carrying current: 40 A/2 minutes, 30 A/1 hour)
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Suitable for controlling 24 V motors in trucks and other
large vehicles
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High heat resistance and extended operating voltage
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Two types of contact gap
(FBR572: 0.8 mm, FBR582: 1.4 mm)
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RoHS compliant
Please see page 8 for more information
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PARTNUMBER INFORMATION
FBR572
(a)
N
(b)
D24
(c)
-
[Example]
(a)
(b)
(c)
(d)
(e)
W1
(d)
- **
(e)
Relay type
Enclosure
Coil rated voltage
Contact material
Special type
FBR572 : FBR572 Series (contact gap 0.8mm)
FBR582 : FBR582 Series (contact gap 1.4mm)
N
D24
W1
Y
: Plastic sealed type
: 24 VDC
Coil rating table at page 2
: Silver-tin oxide indium
: Silver-tin oxide
To be assigned custom specification
Actual marking does not carry the type name: "FBR"
E.g.: Ordering code: FBR572ND24-W1 Actual marking: 572ND24-W1
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FTR-K1 SERIES
FBR572, 582 SERIES
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SPECIFICATION
Item
Contact Data
Configuration
Material
Voltage drop
Contact rating
Max. carrying current
Max. inrush current (reference)
Max. switching voltage (reference)
Max. switching current (reference)
Min. switching load (reference) *
Life
Mechanical
Electrical
Coil Data
Timing Data
Other
Operating temperature range
Storage temperature range
Operate (at nominal voltage)
Release (at nominal voltage)
Vibration resistance
Shock
Weight
Misoperation
Endurance
FBR572
1 form C x 2 (SPDT x 2)
Silver-tin oxide indium (-W1 type)
Silver-tin oxide (-Y type)
Maximum 100 mV at 2A, 12VDC
28VDC, 12A (locked motor load)
28VDC, Inrush 15A, break 2.5A (motor free load)
40A/2 minutes, 30A/1 hour
(25 °C, 100% rated coil voltage)
60A
28VDC
12A
6 VDC, 1A
Min. 10 x 10
6
operations
Min. 100 x 10
3
operations
(locked motor load)
Min. 500 x 10
3
operations
(motor free load)
-40 °C to +85 °C (no frost)
-40 °C to +100 °C (no frost)
Max. 10 ms
Max. 5 ms
10 to 55Hz double amplitude 1.5mm
100m/s²
1,000m/s²
Approximately18 g
Min. 1 x 10
6
operations
Min. 100 x 10
3
operations
(locked motor load)
32VDC
14A
FBR582
* Minimum switching loads mentioned above are reference values. Please perform the confirmation test with actual
load before production since reference values may vary according to switching frequencies, environmental conditions
and expected reliability levels.
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COIL RATING
Series
FBR572
FBR582
Coil
Code
D24
Rated Coil
Voltage (VDC)
24
Coil Resistance +/- 10% (Ohm)
384
170
Must Operate Voltage
(VDC) *
14.4 (at 20 °C)
18 (at 85 °C)
Thermal
resistance
(°C / W)
67
56
Note: All values in the table are valid for 20°C and zero contact current, unless otherwise stated.
* Specified operate values are valid for pulse wave voltage.
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Test/Measurement
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