M30 CTs for Industrial Loads

[Kryd]

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!

[admin]

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.

[Kryd]

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/K...38497.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?

[admin]

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