• Product name: KS4(AC Output) SSR
  • Product number: KS4(AC Output) SSR
  • Control Voltage: 5VDC 12VDC 24VDC
  • Load Voltage: 240VAC
  • Load current: 2A
  • Installation: PCB Mounting

● TTL driver compatibility

●  Load Current: 0.1A ~ 2A

●  Dielectric strength 2500V

●  Printed circuit board mount

KS4 is a set of SPST-NO AC type solid state relay with small dimension, single in-line printed circuit board mounting. With DC input control, compatible with 5VDC, 12VDC and 24VDC logic systems. Photo isolation between input and output, the output in the form of AC zero type and AC random type. Suitable for  electromagnetic valves, motors, incandescent control and so on.

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
Must turn-off voltage                                    1VDC
Max. input current                                    25mA
Input resistance                     5                               270Ω
                   12                              750Ω
                   24                           1.64kΩ

 

Output Parameter (Ta = 25℃)

Load voltage range (48 ~ 280)VAC
Load current range (0.1 ~ 2)A
Max. surge current (10ms) 25Apk
Max. I2 t for fusing (10ms) 3.1A2 s
Max. off-state leakage current 1.5mA
Max. on-state voltage drop 1.5Vr.m.s.
Max. turn-on time Zero cross 1/2cycle + 1ms
Random 1ms
Max. turn-off time 1/2cycle + 1ms
Max. transient voltage 600Vpk
Min. off-state(dv/dt) 100V/μs
Max. zero-cross over voltage  ±15V
Min. power factor 0.5

 

GENERAL (Ta = 25℃)

Dielectric strength(input to output) 2500VAC, 50Hz/60Hz, 1min
Insulation resistance 1000MΩ (500VDC)
Dielectric strength(input to output) 5pF
Vibration resistance 10Hz ~ 55Hz 1.5mm DA
Shock resistance 980m/s2
Operating temperature -30 ~ 80
Storage temperature -30 ~ 100
Ambient humidity 45% ~ 85% RH
Unit weight Approx 6g

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

2.The SSR case serves to dissipate heat. Install the relays so that they are adequately ventilated. If poor ventilation is unavoidable,the load current must be reduced. Please refer to the curve of "Max. Load current Vs. Ambient Temperature".

3.The input circuitry does not incorporate a circuit protecting the SSR from being damaged due to a reversed connection. Make sure that the polarity and the input and output are correct when connecting. 

4.If the output transient voltage exceeds the norminal value, a varistor should be mounted on the SSR output terminal in parallel to prevent the relay being breakdown. The recommended varistor voltage 470V.

5.When using the relay in phase control applications, at a phasecontrol angle close to 180 degrees the relay's input signal turn off at the trailing edge of the AC sine wave must be limited to end 200μs before AC zero cross. This  assures that the relay has time to switch off. Shorter times may cause loss of control at the following half cycle. 

6.Please do not use the relay beyond the descriptions in the datasheet.

7.Terminal arrangement.

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