Smart Home Automation Forum
M30 CTs for Industrial Loads - Printable Version

+- Smart Home Automation Forum (https://www.kincony.com/forum)
+-- Forum: Technical Support (https://www.kincony.com/forum/forumdisplay.php?fid=20)
+--- Forum: KC868-M16 / M1 / MB / M30 (https://www.kincony.com/forum/forumdisplay.php?fid=50)
+--- Thread: M30 CTs for Industrial Loads (/showthread.php?tid=8482)



M30 CTs for Industrial Loads - Kryd - 09-01-2025

Greetings,
We recently bought a kincony M30 unit and would like to measure industrial power three phase consumptions. We have 4 breakers rated 630A, 630A, 340A and 320A. Is it possible to use 2000/1 current transformers for this measurement? if not, can we use a higher transformation ratio like 3000/1, 4000/1 or 5000/1 and adjust in software to keep the secondary current low?

I've read in others threads that 2000/1 CTs are okay but that the M30 limit is 50ma of secondary current or 1V.

Any workaround to make this measurement possible?

Thanks!


RE: M30 CTs for Industrial Loads - admin - 09-02-2025

suggest you chose N60 board, now the hardware design use for 2000:1 CT sensor. if you want to use other typs, need replace resistance on PCB.
N60 design the detect range is more wide than M30.


RE: M30 CTs for Industrial Loads - Kryd - 09-03-2025

For the M30 which resistances need replacement for a higher capacity CT? and which amount for 1000 A CT for example? it can vary its rating to a maximum of 5000:1 (even 8000:1 ratings or custom i think) according to the following CT:

https://www.alibaba.com/product-detail/KHCT97-Series-Split-Core-Current-Transformer_1601560038497.html

If we go with the N60, does it have three phase capabilities? what is the maximum CT capacity and for which ratings? It says 120A for 2000:1 CT, is this correct?


RE: M30 CTs for Industrial Loads - admin - 09-03-2025

see here: https://www.kincony.com/forum/showthread.php?tid=8488