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  • Product name: Solid State Relay
  • Product number: KS43 (AC output) Solid Relay
  • Control Voltage: 5VDC 12VDC 24VDC
  • Load Voltage: 380VAC
  • Load current: 2A
  • Installation: PCB Mounting

● Load voltage 48VAC~440VAC

● Load current 2A

● Photoelectric isolation

● Dielectric strength 4000V

● Built-in RC snubber circuit

● Dual in-line PCB mount

KS43 is a set of SPST-NO, Horizontal type solid state relay with small dimension,double in-line printed circuit board mounting. Input voltage compatible with 5VDC,12VDC and 24VDC logic systems, load curent(0.1~2)A, load voltage (48~440)VAC. Suitable for electromagnetic valve,motor forward and reverse control,the tanker and industrial control applications.

Input Parameter (Ta = 25℃)

Control voltage range                   5                     (4-6)VDC
                 12         (9.6 ~ 14.4)VDC
                 24       (19.2 ~ 28.8)VDC
Must turn-on voltage                   5                           4VDC
                 12                       9.6VDC
                 24                     19.2VDC
Max.input current                             25mA
Input resistance                   5                            250Ω
                 12                           720Ω
                 24                         1.64kΩ
Must turn-off voltage                             1VDC


Output Parameter (Ta = 25℃)

Load voltage range (48 ~ 440)VAC
Max.transient voltage 800Vpk
Load current range (0.1 ~ 2)A
Max.surge current (10ms) 40Apk
Max.I2 t for fusing(10ms,A2 s) 8
Max.on-state voltage drop 1.5Vr.m.s leakage current 5mA dv/dt 200V/μs
Max.turn-on time Zero cross:1/2 cycle+1ms Random:1ms
Max.turn-off time 1/2 cycle+1ms
Frequency range (47 ~ 63)Hz
Min.power factor 0.5


GENERAL (Ta = 25℃)

Dielectric strength(input to output) 4000VAC,50Hz/60Hz,1min
Insulation resistance(input to output) 1000MΩ(500VDC)
Max.capacitance(input to output) 8pF
Shock resistance Acceleration 980m/s2,
continuous surge 6ms
Vibration resistance 10Hz~55Hz,1.5mm,DA
Ambient humidity 45%~85%RH
Operating temperature -30~ 85
Storage temperature -30~ 100
Unit weight Approx 15g

1.Soldering must be completed within 10s at 260 or less or within 5s at 350 or less.

2.Make sure that the polarity is correct when connecting, to avoid damage to the relay.

3.Relay is a power device, heat dissipate should be fully considered. If operating ambient temperature is high the load current must be reduced. Please refer to the curve of Max. Load current Vs. Ambient Temperature.

4.In the motor reversing applications, a varistor should be mounted on the SSR output terminal in parallel to avoid damage from overvoltage.

5.In the motor reversing applications, forward and reverse switch control signal intervals should greater than 20ms

6.Please do not use the relay beyond the descriptions in the data sheet.If it is a must to use it beyond descriptions, please contact Jinxinrong for more technical support. 

Download attachments : KS43

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Jimei Dist,361023 Xiamen Fujian,China

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