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The CHTAIXI 12V-110V DC Miniature Circuit Breaker is a 2-pole, 125 Amp protector designed for solar PV, RV, and battery systems. Featuring thermal magnetic trip technology and magnetic arc extinguishing, it ensures reliable overload and short-circuit protection. Its DIN rail mount and screw clamp wiring enable easy installation, while silver alloy contacts and flame-retardant materials guarantee durability and safety in high-current DC applications.







| ASIN | B0B1WFPBMV |
| Best Sellers Rank | #43,084 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #34 in Miniature Circuit Breakers |
| Brand | CHTAIXI |
| Brand Name | CHTAIXI |
| Circuit Breaker Type | Standard |
| Current Rating | 125 Amps |
| Customer Reviews | 4.5 out of 5 stars 110 Reviews |
| Item Dimensions D x W x H | 2.99"D x 2.13"W x 3.15"H |
| Manufacturer | CHTAIXI |
| Model | 2 Pole |
| Mounting Type | DIN Rail Mount |
| Number Of Poles | 2 |
| Number of Poles | 2 |
| Part Number | 47NZ125-B |
| Product Dimensions | 2.99"D x 2.13"W x 3.15"H |
| Smart Home Compatibility | Not Smart Home Compatible |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
T**A
Seem well made and reliable so far.
I have two battery banks associated with my solar power system. One consists of AGM batteries that maintains power to just a couple of appliances, including my fridge. The other consists of LifePo batteries that I use to power everything else. Each bank of batteries has its own inverter and I use one of these 125amp breakers between each bank of batteries and its inverter. 125amps is a little low for the size inverters Im running but I prefer it that way. I dont use more than 1500 watts at any one time and wouldnt want to. These would flip at around 1600-1650 watts. I also prefer these over fuses because these are much easier to reset.
C**R
Awesome
Fantastic Quality, Fast Delivery and a pleasure to do business with.
C**Z
Entrega y calidad excelentes
Buen producto. Se recomienda.
J**N
Perfecto
Perfecto para mis baterías, funcionando muy bien
R**U
Solid copper wire should probably be used on breaker.
This replacement breaker operates cool as long as the stranded connection wires have ferril crimped terminals otherwise the stranded wires get loose and overheat.
R**.
Eficiente
Buena calidad y construcción
F**S
Worked great for my solar battery bank
Work as they should
R**N
Excelente producto
Excelente calidad precio
Trustpilot
3 weeks ago
4 days ago