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  • Product name: KS27(AC output ) SSR
  • Product number: KS27(AC output ) SSR
  • Control Voltage: 5VDC 12VDC 24VDC
  • Load Voltage: 240VAC 380VAC
  • Load current: 2A 3A
  • Installation: PCB Mounting

● Excellent thermal designing, high load capacity

● Photoelectric isolation 

● Dielectric strength 4000V

● Built-in RC snubber circuit

● Single in-line PCB package

KS27 is a SPST-NO printed circuit mount SIP, AC output SSR. Suitable for electromagnetic valve, stage-lighting control, motor forward and reverse control, heating machine, automat, medical equipments, elevator, power door, and etc.

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℃)

  口-24口2 口-38口2 口-24口3 口-38口3
Load voltage range
(48-280)VAC (48-440)VAC (48-280)VAC (48-440)VAC
Max.transient voltage 600Vpk 800Vpk 600Vpk 800Vpk
Load current range (0.1 ~ 2)A (0.1 ~ 3)A
Max.surge current(10ms) 60Apk 80Apk
Max.I2 t for fusing(10ms) 18 32
Max.on-state voltage drop 1.5Vr.m.s. leakage current 5mA dv/dt 200V/μs
Max.turn-on time Zero cross:1/2cycle+1ms;Random:1ms
Max.turn-off time 1/2cycle+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 20g

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.Please do not use the relay beyond the descriptions in the data sheet.

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