DC Solid State Relay Board - 2A

DC Solid State Relay Board: This is an opto-Transistor with optical isolation between an input signal and output signal. This is to be used for switching 5V-100VDC,50/60Hz supply by 5V-230 VDC input signal.


  • DIN rail mountable
  • Eight/Four DC SSRs on a single board
  • Sink or Source input selection by jumper selection
  • LED indication for input signal
  • Semiconductor Fuse protection for short circuit and overcurrent.
  • Output points in two groups. Each group consists four o/p points.
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Technical specifications

  • Input signal voltage: 20 VDC-28VDC, Typical voltage is 24VDC
  • Max. input current: 20 mA @24VDC
  • Max. output voltage: 100 VDC
  • Min.output voltage: 5 VDC
  • Max. load per output point: 5  Amp
  • Peak non-repetitive surge current: 8 Amp
  • Input to output electrical isolation: 3.55 KV
  • Max. Voltage drop in output voltage: 2.5 V @ 2 Amp load
  • Switching ON delay: 7 microseconds
  • Switching OFF delay: 10 microseconds
  • Load type: Resistive and Inductive


a) For switching contactors from PLC outputs.
b) For switching DC loads like solenoid valves, DC actuators, Lamps, DC electromagnets in industrial use directly from controller outputs.
c) In all applications where we need very fast switching and require isolation between a driver and driven circuits. The load can be inductive or resistive.

Solid State Relay Board Vs Relay Board Comparison

Sr.No. Solid State Relay Board Relay Board
1 Switching Time 10micro sec Switch On time 18 ms & Switch Off time 18 ms
2 No limitation on number of operation at 5 Amp load 300,000 operations is limit at 2A/230V load
3 Max load 5 Amp per point Max. load 5/10A per point
4 To be used for DC Switching Can use for AC/DC Switching


CE certified
PCB: IEC 61373
Optoisolator/Transistor: UL/VDE
Connectors: CE
Profile and end plates: UL

NOTE:- Due to continuous product development the product supplied to you may look different than the product image in the pdf file.

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