CHTAIXI DC Miniature Circuit Breaker, 2 Pole 1000V 25 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Mount, Chtaixi DC Disconnect Switch C25

I have 4 of these breakers (varying amps) incorporated into my solar setup in ny camper. They work well for disconnecting solar panels from charge controllers etc. I have load tested 3 of the 4 I have in use and found they broke circuit within 5-12% of the rated amps. They work well for me

We installed these to be a quick disconnect for our solar panels. It's doing It's job and was easy to install.

The brand has plenty of option and good quality. i have no complants. Have bought several for my Solar systems.

I bought this as a part of my solar generator. It was very easy to set up and works well. Overall it is a good product it just feels cheaply made. The housing separated a little when I tightened the screws.

i'm using these between a set of solar panels wired in series-parallel and what has quickly become my most favorite compact Victron Solar Charge Controller, especially at its more recent favorable price (this one: https://amzn.to/3JhCLgR). I have found these miniature circuit breakers do the job perfectly: they are easy to install using the provided DIN rail and screws, easy to slide on/off or clip on/off to the rail while working with the cabling, and while a few other reviewers have mentioned cable grip, I have been fortunate, and have found the breaker to grip the cables well. It is important when purchasing breakers like these to consider size matching to ensure that the gauge of cable being used is an appropriate size for not only the electrical requirements of the system, but also for the cable slots in both the charge controller and the circuit breaker. PRO TIP: it is also important to carefully strip the wire ends to a proper length. The goal is adequate exposure to the terminals and terminal clamps, but not more than that. With both these breakers and the Victron charge controller, I was able to use 6AWG cable, stripped back about one-half inch, and the cables seated cleanly and firmly. Overall, not only is it a best-practice to safeguard your solar setup with proper breakers and/or fuses, it also makes it more convenient, safer, and provides some peace-of-mind when you need to work with it. Enjoy!

Útil para instalacion

I installed 3 of these almost a year ago. I have had no issues with PV voltages from 3 solar arrays, all putting out up to 500 Vdc at times. I recently rewired a PV array of 12 panels. Made the mistake of inverting the polarity. When I turned on the breaker, it smoked, bigtime! then all was silent. No fire, no melting of the breaker. I measured the voltage at the input and realized the polarity was reversed. My bad! I disabled the voltage at the panels, rewired correctly, and connected to a new breaker. All worked well. My biggest point with this review is, even though the breaker fried, it kept the reverse voltage of over 400 Vdc from getting to the solar inverter and causing hundreds to thousands of dollars in damage. The breaker not only will trip if the amperage is exceeded, but also protects from reversed Vdc. Very thankful!

Use for my solar system, they have worked great for a year now.

This breaker works well, but I found that the terminals did not have enough grip. Be sure to tighten the screws quite tight.

Nice and small breaker. Used it to cut power from solar panels to charge controller. All the items required for installation were included.

excelente calidad, instalado hace un año sin inconvenientes.

Breaker is as described, cept the din rail mount was not included, only the breaker

The rail mount is bent so the circuit breaker will not slide onto it.