RK SERIES
INDUSTRIAL RELAYS
The RK series is very small while having a 5A switching capacity.
UL & CUL File #E223388
DIMENSIONS
15.3 ± 0.5
FEATURES
1.
2.
3.
10.2 ± 0.2
5.1 ± 0.2
10.2 ± 0.5
20.6 ± 0.5
ORDERING INFORMATION
RK
(1)
(1)
(2)
1C -
(2)
12 H
S
P
(3) (4) (5) (6)
(4)
Coil Sensitivity
Nil
= 0.45W
H
= 0.20W
Enclosure
Nil
= Unsealed type
S
= Sealed type
RoHS Compliance
P
= RoHS
Nil
= Standard
SCHEMATICS
(bottom view)
PCB LAYOUT
(bottom view)
5 -
∅1.3
Basic Designation
RK
= RK Series
Contact Arrangement
1A
= 1 Form A (SPST-NO)
1C
= 1 Form C (SPDT)
Coil Voltage
3~48V
1C
7.6 ± 0.2
(5)
10.2 ± 0.2
5.1 ± 0.2
2.5 ± 0.2
(3)
(6)
1A
7.6 ± 0.2
10.2 ± 0.2
7.6 ± 0.2
7.6 ± 0.2
10.2 ± 0.2
5.1 ± 0.2
COIL RATINGS (AT 20°C)
Power Consumption/
Coil Sensitivity
Coil Nominal Voltage
(VDC)
3
5
6
9
12
18
24
48
3
5
6
9
12
18
24
48
Coil Resistance
Ω(±
10%)
20.0
55.0
80.0
180
320
720
1280
5120
45.0
125
180
405
720
1620
2880
11520
Pick-Up Voltage
(VDC) max.
Nominal Current
(mA)
150
91
75
50
37.5
25.0
18.8
9.4
66.7
40
33.3
22.2
16.7
11.1
8.3
4.2
Drop-Out Voltage
(VDC) min.
Max. Allowable Voltage
Coil Sensitivity
Nil
= 0.45W
75%
5%
130% of nominal voltage
Coil Sensitivity
H
= 0.20W
75%
5%
130% of nominal voltage
Phone (707) 996-5201 | Fax (707) 996-3380 |
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rS3 080305
Industrial Relay Catalog |
25
4.65 ± 0.2
Small size (10.2 x 20.6 x 15.3mm) at 5A switching capacity relay for PCB mounting
technique.
Surge resistiveness of 5000V.
Sealed or unsealed types available.
0.3
R0.3
2.5 ± 0.2
7.6 ± 0.2
Unit: mm
4 -
∅1.3
Unit: mm
4 -
∅1.3
RK SERIES
CONTACT RATINGS
Coil Sensitivty / Nominal Operating Power
Contact Arrangement
Max. Switching Power
Max. Switching Voltage
Max. Switching Current
Contact Resistance (By voltage drop 6V 1A)
1C;1A
1250VA 14W
600VA 90W
265VAC 30VDC
10A
5A
50mΩ max.
1A
10A / 125VAC
1A
5A / 250VAC
3A / 250VAC
5A / 30VDC
3A / 30VDC
1.5A / 250VAC
1.5A / 250VAC
1C
5A / 250VAC
5A / 30VDC
3A / 250VAC
3A / 30VDC
1A / 250VAC
silver alloy
1C
3A / 250VAC
3A / 30VDC
1A / 250VAC
Nil = 0.45W
H = 0.20W
UL/ C-UL Rating
Resistive Load (cos
φ
= 1)
Inductive Load (cos
φ
= 0.75 ~ 0.8)
Contact Material
CHARACTERISTICS
Electrical Life (at 20cpm)
Mechanical Life (at 120cpm)
Initial Insulation Resistance
Operate Time
Release Time
Initial Breakdown Voltage
Vibration Resistance
Shock Resistance
Insulation Withstand Voltage
Ambient Temperature
Operating Humidity
Unit Weight
1 x 10
5
1 x 10
7
Min. 1000MΩ 500VDC
0.45W = 10ms max., 0.20W = 15ms max.
4ms max.
50/60Hz 1000VAC 1 min. (between open contacts)
50/60Hz 4000VAC 1 min. (between coil & contact)
Functional: 10 to 55Hz at double Amplitude of 1.5mm
Destructive: 10 to 55Hz at double Amplitude of 1.5mm
Functional: Min. 10G
Destructive: Min. 100G
5000V 1.2 x 50µs (between coil and contacts)
-40°C ~ +85°C
45 to 85% RH
Approx. 7g
REFERENCE DATA
Coil Temperature Rise
60
Operate Time/ Release Time
1000
10
Life Expectancy
Operation(x10
4
)
Temp. Rise (deg.)
50
Time (ms)
40
30
20
10
0.1 0.2 0.3 0.4 0.5 0.6
8
6
4
2
Release Time
0.1 0.2 0.3 0.4 0.5 0.6
Operate Time
100
10
2
4
6
8
10
12
Coil Power(W)
Coil Power(W)
Load Current(A)
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26
| Industrial Relay Catalog
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