LK-T
1
ds_61113_0004_en_lkt: 091008J
SPECIFICATIONS
SLIM POWER RELAY
WITH HIGH INRUSH
CURRENT CAPABILITY
TV-8 CERTIFIED
LK-T RELAYSFEATURES
1. High inrush current capability
1) Operating load capability:
inrush 118 A, steady 8 A
2) UL/C-UL TV-8 approved
2. High insulation resistance
1) Creepage distance and clearances
between contact and coil: Min. 6 mm .236
inch (In compliance with IEC65)
2) Surge withstand voltage between
contact and coil: 10,000 V or more
3. High noise immunity realized by the
card separation structure between
contact and coil
4. Conforms to the various safety
standards
UL, C-UL, TÜV, and SEMKO approved
25.0
24.0 11.0
.984
.945 .433
Contact
Coil
#1This value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the
actual load.
Remarks
*1Measurement at same location as “Initial breakdown voltage” section.
*2Detection current: 10mA
*3Wave is standard shock voltage of ±1.2 × 50μs according to JEC-212-1981
*4Excluding contact bounce time.
*5Half-wave pulse of sine wave: 11 ms; detection time: 10 μs
*6Half-wave pulse of sine wave: 6 ms
*7Detection time: 10 μs
*8The upper operation ambient temperature limit is the maximum temperature that
can satisfy the coil temperature rise value. Refer to 1. Usage, transport and
storage conditions in NOTES on page3.
Characteristics
Arrangement 1 Form A
Initial contact resistance
(By voltage drop 6 V DC 1 A) Max. 100 mΩ
Contact material AgSnO2 type
Rating
(resistive load)
Nominal switching
capacity 5 A 277 V AC
Max. switching power 1,385 V A
Max. switching voltage 277 V AC
Max. switching current 8 A (120V AC)
Min. switching capacity#1
(Reference value) 100 mA, 5 V DC
Expected life
(min. operations)
Mechanical (at 180 cpm) 106
Electrical (at 20 cpm)
(at rated load) 105
Nominal operating power 250 mW
Max. operating speed 20 cpm (at rated load)
Initial insulation resistance*1Min. 1,000 MΩ (at 500 V DC)
Initial *2
breakdown
voltage
Between open
contacts 1,000 Vrms for 1 min.
Between contact
and coil 4,000 Vrms for 1 min.
Initial surge voltage between contact
and coil*310,000 V
Operate time*4
(at nominal voltage) Max. 15ms (at 20°C 68°F)
Release time (without diode)*4
(at nominal voltage) Max. 5ms (at 20°C 68°F)
Temperature rise (at 70°C)
Max. 35°C with nominal coil
voltage and at 5 A contact
carrying current
(resistance method)
Shock
resistance Functional*5200 m/s2{approx. 20 G}
Destructive*61,000 m/s2{approx. 100 G}
Vibration
resistance
Functional*710 to 55Hz
at double amplitude of 1.5mm
Destructive 10 to 55Hz
at double amplitude of 1.5mm
Conditions for operation,
transport and storage*8
(Not freezing and
condensing at low
temperature)
Ambient
temp. –40°C to +70°C
–40°F to +158°F
Humidity 5 to 85% R.H.
Air
pressure 86 to 106 kPa
Unit weight Approx. 12 g .42 oz