Combiner Box: Difference between revisions
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=Voltages= | =Voltages= | ||
*1000V for this one - [https://usfull.com/pv-combiner-box-efficiently-combines-the-power-of-multiple-panels/#:~:text=The%20maximum%20rated%20voltage%20in,solar%20panels%20with%20different%20voltages.] | *1000V for this one - [https://usfull.com/pv-combiner-box-efficiently-combines-the-power-of-multiple-panels/#:~:text=The%20maximum%20rated%20voltage%20in,solar%20panels%20with%20different%20voltages.] | ||
*Why are others limited to 250V? | *Why are others limited to 250V? '''Because the circuit breaker is 250V''' - [https://www.yoycart.com/Product/4770298929/] | ||
*Go to Midnite for higher V combiners? [https://diysolarforum.com/threads/combiner-box-questions.26831/] | *Go to Midnite for higher V combiners? [https://diysolarforum.com/threads/combiner-box-questions.26831/] | ||
*Most fuse holders are rated for 600-1000V, while DC breakers are 150V [https://solarpowercombinerbox.com/pages/what-is-a-solar-combiner-box] | *Most fuse holders are rated for 600-1000V, while DC breakers are 150V [https://solarpowercombinerbox.com/pages/what-is-a-solar-combiner-box] | ||
*{{check}}With 600VDC YRSP-D2 [https://www.aliexpress.com/i/3256802939811681.html?gatewayAdapt=4itemAdapt] circuit breaker - [https://www.amazon.com/DEEKOOL-Upgraded-Combiner-Circuit-Waterproof/dp/B0BWHRHCD7/ref=psdc_13638744011_t3_B0BZV8ZMY2#customerReviews]. Combined wire is fatter, at least 10 ga. Circuit breaker appears to be 600Vdc rated [https://www.google.com/search?sxsrf=ALeKk026QG9BbsZl0rNsBS9KmerMgczY_w%3A1602863734253&source=hp&ei=dsKJX6q8DJDYsAXHkpG4Cw&q=YRL7-63DC+breaker&btnK=Google+Search&oq=how+to+configure+nvidia+geforce+gtx+1650+super+on+linux+mint&gs_lcp=CgZwc3ktYWIQAzIFCCEQoAEyBQghEKsCMgUIIRCrAjoOCAAQ6gIQtAIQmgEQ5QI6DgguELEDEMcBEKMCEJMCOggILhDHARCvAToLCC4QsQMQxwEQowI6CAgAELEDEIMBOggILhCxAxCDAToFCAAQsQM6AggAOgQIABAKOgYIABAWEB46CAghEBYQHRAeOgcIIRAKEKABUMsQWOmzAWD8tAFoBnAAeACAAeQGiAGhS5IBDTExLjQ3LjMuMi42LTGYAQCgAQGqAQdnd3Mtd2l6sAEG&sclient=psy-ab&ved=0ahUKEwiqz4DcvLnsAhUQLKwKHUdJBLcQ4dUDCAk&uact=5#imgrc=AHYzGeVEsQJmKM&btnK=Google%20Search&ip=1]. | |||
*{{check}}500VDC - [https://www.amazon.com/dp/B09ZXV3GNF?pd_rd_i=B09ZXV3GNF&pf_rd_p=781503ef-fc4a-4a05-82e1-c6ce0583b45e&pf_rd_r=P9WZ9NFCEBC5CZZZ6YPR&pd_rd_wg=6kEcd&pd_rd_w=hAkvS&pd_rd_r=c71dd655-e788-4ba1-99bf-2cb49bd1624c&th=1]. Combined output appears to have 12 ga wire, or 20A max. Would need 10 ga for 30A combined output, so this is really only good for 20A. | |||
=Wire= | |||
*PV wire - [https://www.amazon.com/Shirbly-Solar-Panel-Wire-Automotive/dp/B09XMLCLBR/ref=psdc_13638744011_t3_B0BWHRHCD7?th=1] | |||
=Fuses= | |||
*Not cheap at $4 each [https://www.amazon.com/ZOOKOTO-10x38mm-1000V-Solar-Photovoltaic/dp/B0B2L4Z8DS/ref=sr_1_4?crid=27F7KRAHR4DNL&keywords=PV%2Bfuse%2B15A&qid=1688075508&s=hi&sprefix=pv%2Bfuse%2B15a%2Ctools%2C82&sr=1-4&th=1] | |||
=DIY= | =DIY= | ||
*Article from 2000 in Homepower Magazine - [http://waterheatertimer.org/pdf/Building-a-Combiner-Box.pdf] | *Article from 2000 in Homepower Magazine - [http://waterheatertimer.org/pdf/Building-a-Combiner-Box.pdf] | ||
Latest revision as of 21:52, 29 June 2023
Amazon
- Non-UL [1]
- 250 VDC max input
UL Listed
- Combiner box only $250. [2]
- Only 125 VDC in.
Voltages
- 1000V for this one - [3]
- Why are others limited to 250V? Because the circuit breaker is 250V - [4]
- Go to Midnite for higher V combiners? [5]
- Most fuse holders are rated for 600-1000V, while DC breakers are 150V [6]
With 600VDC YRSP-D2 [7] circuit breaker - [8]. Combined wire is fatter, at least 10 ga. Circuit breaker appears to be 600Vdc rated [9].- 500VDC - [10]. Combined output appears to have 12 ga wire, or 20A max. Would need 10 ga for 30A combined output, so this is really only good for 20A.
Wire
- PV wire - [11]
Fuses
- Not cheap at $4 each [12]
DIY
- Article from 2000 in Homepower Magazine - [13]