FTR-K1 SERIES
POWER RELAY
1 POLE - 25A - Latching relay
FTR-K3L-WG Series
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FEATURES
1 pole, 25A
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2 coils latching type
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1 Form A
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Contact gap 1.5mm
2.5kV surge breakdown voltage
Compliance with European photovoltaic standard (VDE0126)
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High insulation in small package
(between coil and contact)
- Insulation distance: Clearance >
6.4mm
Creepage > 9.5mm
- Dielectric strength: 5,000VAC
- Surge strength: 8,500V
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Flammability UL94V-0 (plastics)
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RoHS compliant
Please see page 6 for more information
Contains no lead and features cadmium-free contacts
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PARTNUMBER INFORMATION
FTR-K3L
A
(a)
(b)
B
(c)
[Example]
(a)
(b)
(c)
(d)
(e)
(f)
012
(d)
W - WG
(e)
(f )
FTR-K3L : FTR-K3L-Series
A
B
012
W
WG
: 1 form A
: Standard sensitive (900mW)
: 5.....24 VDC
Coil rating table at page 3
: Silver alloy
: Contact gap 1.5mm
Relay type
Contact configuration
Coil type
Coil rated voltage
Contact material
Version
Actual marking does not carry the type name : "FTR"
E.g.: Ordering code: FTR-K3LAB012W-WG
Actual marking: K3LAB012W-WG
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FTR-K1 SERIES
FTR-K3L-WG SERIES
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Item
Contact Data
Configuration
Material
Resistance (initial)
Contact rating
Max. carrying current
Max. switching power
Max. switching voltage
Max. switching current
Min. switching load (reference)
Life
Mechanical
Resistive
Electrical
Coil Data
Timing Data
Rated power (at 20 °C)
Operating temperature range (no frost)
Set (at nominal voltage)
Reset (at nominal voltage)
Coil excitation time (at nominal voltage)
Insulation
Contact gap
Resistance
Dielectric strength
Surge strength
Creepage
Clearance
Other
Vibration resistance
Shock resistance
Weight
Misoperation
Endurance
Misoperation
Endurance
Open contacts
Coil and contacts
Coil to contacts
Inductive
Inductive (overload)
SPECIFICATION
FTR-K3L-WG
1 form A (contact gap 1.5mm)
Silver alloy
Max. 100mΩ at 1A, 6VDC
25A / 250VAC (resistive)
30A
6,250VA
250VAC
25A
100mA, 5VDC
Min. 1 x 10
6
operations
25A, 250VAC, 100 x 10
3
operations
25A, 250VAC (cosφ 0.8), 30 x 10
3
operations
37.5A, 250VAC (cosφ 0.8), 50 operations
900mW
-40 °C to +85 °C
Max. 20ms (without bounce, without diode)
Max. 20ms (without bounce, without diode)
Min. 30ms, max. 1,000ms
Min. 1.5 mm
Min. 1,000MΩ at 500VDC
2,500VAC, 1min.
5,000VAC, 1min.
8,500V/ 1.2 x 50μs standard wave
6.4mm
9.5mm
10 to 55Hz double amplitude 1.5 mm
10 to 55Hz double amplitude 1.5 mm
Min. 200m/s² (11 ± 1ms)
Min. 1,000m/s² (6 ± 1ms)
Approximately 25 g
* 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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FTR-K1 SERIES
FTR-K3L-WG SERIES
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COIL RATING
Coil
Code
005
006
012
024
Rated Coil
Voltage
(VDC)
5
6
12
24
Coil Resistance
+/- 10%
(Ohm)
P 28
S 28
P 40
S 40
P 160
S 160
P 640
S 640
Must Set
Voltage
(VDC)*
+4.0
-
+5.4
-
+9.6
-
+19.2
-
Must Reset
Voltage
(VDC) *
-
+4.0
-
+5.4
-
+9.6
-
+19.2
P: Set coil
S: Reset coil
Max. Set/Reset
Voltage
(VDC)
9.0
10.8
21.6
43.2
Rated Power
(mW)
900
Note: All values in the tables are valid for 20°C and zero contact current.
* Specified operate values are valid for pulse wave voltage.
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UL
SAFETY STANDARDS
Compliance
UL 508
Contact rating
Flammability: UL 94-V0 (plastics)
25A, 277VAC (resistive, at 60°C)
CSA 22.2 No.14 (by cULus)
Type
VDE
IEC61810-1
25A, 250VAC, (cosφ=1) at 60ºC
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FTR-K1 SERIES
FTR-K3L-WG SERIES
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CHARACTERISTIC DATA
The graphs are based on measurement data and are typical values.
Electrical life tests (resistive load)
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FTR-K1 SERIES
FTR-K3L-WG SERIES
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DIMENSIONS
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Dimensions
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Schematics
P: Set coil
S: Reset coil
Contacts drawn in reset condition.
To operate (set), apply (+) to pin 5 and (-) to pin 2.
To release (reset), apply (+) to pin 5 and (-) to pin 1.
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PC board mounting
hole layout
(BOTTOM VIEW)
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stm32/stm8
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