Contactor/Switch Options

• BMS
• Contactor
• Switch

• G

  Geoff

  12/12/23, 11:41 AM

  I wanted to share what I've found as it might be of value to others.

  My system will have a Load bus and Charge bus, so I need two contactors/switches. Initially I was planning on using the standard EV2000 and a breaker on each as I'd like to be able to turn off the load/charge sides right at the battery. I wasn't too happy about the breaker having reverse current on the Charge bus (powering the solar controler at night), so started looking at other solutions.
  
  Here is what I've come up with:
  

  Based on the above I am thinking of using the Dual EGIS remote swtich (still getting a bit more techincal info howerver). It seems to check all the boxes nicely.

   

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• G

  Geoff

  12/12/23, 11:42 AM

  Datasheets can be found here:

  Tyco:

  • https://www.te.com/usa-en/product-1618002-7.html

   

  BlueSea

  • https://www.bluesea.com/products/7713/ML-RBS_Remote_Battery_Switch_with_Manual_Control_Auto-Release_-_12V
  • https://www.bluesea.com/products/7149/187-Series_Circuit_Breaker_-_Surface_Mount_200A

   

  TBS:

  • https://tbs-electronics.com/product/remote-battery-switch/
  • https://tbs-electronics.com/wp-content/uploads/2019/08/TBS_RBS_Manual_Rev5endf.pdf
  • https://tbs-electronics.com/wp-content/uploads/2019/08/DCMD-RBS-TBP-EN-REVC.pdf

   

  EGIS:

  • https://tbs-electronics.com/wp-content/uploads/2019/08/DCMD-RBS-TBP-EN-REVC.pdf
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• G

  Geoff

  12/14/23, 3:24 PM

  Here is what my system looks like.
  (as a reference. Hopefully nobody finds mistakes :) )
  

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• 

  Bill C.

  12/20/23, 12:10 AM

  Studying now. Thanks for taking the time to post the details of your project!

  __________
  Cheers, Bill

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• J

  John

  12/26/23, 12:40 PM

  I've been using the Blue Sea ML-RBS for about 2 years and zero issues with it; off a REC pre-charge 3.0 module.  I like that it has a definitive safety lock-out reature, and emergency disconnect ability.  I run a 400A z-case fuse on the battery postive terminal; that goes to the RBS, and then into a Lynx Shunt and Lynx Distrubtor.  Quite neat and compact.

   

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• G

  Geoff

  12/26/23, 5:39 PM

  John,
  I considered the Blue Sea swtich - it's a good switch (I have one and like it), but for my Lithium I wanted a smaller more compact solution which the EGIS seems to provide - I'll know when I put it all together (likely in summer 2024).

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