[![Si-M4R](/sites/default/files/styles/product_image/public/images/Si-M4R.png?itok=bNl-3v4w)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/Si-M4R.png?itok=neIBpreZ)

 



 

 Ref: Si-M4R

  

4x relay module for Si-C320 transmitters.  
SPDT relays 40 VDC / 600 mA.  
  
For installation in already delivered Si-C320 transmitters



 [  User manual](https://www.kimo-instruments.com/sites/default/files/files/QSG_NTR21-MODULES_23-02-2026_0_8.pdf) [  Technical Data sheet](https://www.kimo-instruments.com/sites/default/files/files/DS_probes_transmitters_class320_EN_23-02-26_2.pdf) 

 

 

 

 Compliance