--- product_id: 449390501 title: "DC Miniature Circuit Breaker, 2 Pole 500V 125 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C125" brand: "chtaixi" price: "$36.55" currency: USD in_stock: true reviews_count: 10 category: "Chtaixi" url: https://www.desertcart.us/products/449390501-dc-miniature-circuit-breaker-2-pole-500v-125-amp-din store_origin: US region: United States of America --- # 125A high current rating Thermal-magnetic trip with arc extinguishing 35mm DIN rail mount for easy installation DC Miniature Circuit Breaker, 2 Pole 500V 125 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C125 **Brand:** chtaixi **Price:** $36.55 **Availability:** ✅ In Stock ## Summary > ⚡ Break the limits, not your system — power up with confidence! ## Quick Answers - **What is this?** DC Miniature Circuit Breaker, 2 Pole 500V 125 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C125 by chtaixi - **How much does it cost?** $36.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/449390501-dc-miniature-circuit-breaker-2-pole-500v-125-amp-din) ## Best For - chtaixi enthusiasts ## Why This Product - Trusted chtaixi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flame-Retardant Shell:** Crafted with premium flame-resistant materials to keep your system safe under pressure. - • **Powerhouse Protection:** Safeguards your solar PV and DC systems from overloads and short circuits with a robust 125A rating. - • **Arc-Extinguishing Tech:** Advanced magnetic system rapidly quells dangerous arcs, boosting safety and longevity. - • **Snap & Secure Installation:** Effortlessly mounts on a standard 35mm DIN rail, ensuring a clean, professional setup every time. - • **Durable Silver Alloy Contacts:** Minimizes wear and maximizes electrical durability for reliable performance over 3000+ cycles. ## Overview The CHTAIXI 2 Pole DC Miniature Circuit Breaker is engineered for high-performance solar PV and DC power systems, offering a 125A current rating at 500V DC. Featuring thermal-magnetic trip technology with arc extinguishing, silver alloy contacts, and a flame-retardant shell, it ensures superior protection and durability. Designed for quick DIN rail mounting, it combines safety, reliability, and ease of installation to keep your power distribution flawless. ## Description Product description Caution Make sure the wire terminals are connected in the Middle of the Breaker Terminal Clamps and connected tightly enough not to pull out easily. Soft silicone wires need to be fixed with copper crimp to fix the wire ends first. Specifications Product name: DZ47NZ-125 Product type: DC Miniature Circuit Breaker Rated operational voltage: 500 V DC (2P) / 250 V DC (1P) Rated current [In]: 80A / 100 A / 125 A (optional) Trip unit technology: Thermal-magnetic Curve code: C Breaking capacity: 6 kA Ics=Icu Uimp: 6 kV Mechanical durability: 10000 cycles Electrical durability: 3000 cycles Operating temperature: -13°F(-25℃) ~ 140°F(60℃) Mounting support: 35 mm DIN rail Tightening torque: 3.5 N.m Standard: IEC60947-2 Package includes 1 x DC miniature circuit breaker ( 1P NO DIN rail, 2P with 1 x DIN rail and 2 x screws ) Quality Products Quality Plastic Shell Flame retardant material, sturdy and durable. Tunnel Terminal Large space, put the wire end in the middle of the terminal hole. Silver Alloy Contacts Reduce the wear of the contacts. Improve electrical durability. Installation DIN Rail Install the 35mm DIN rail horizontally in a stable environment. Hang the circuit breaker slot on the DIN rail Push the lower end of the circuit breaker into the DIN rail Dismounting Push the circuit breaker upward Turn the upper end of the circuit breaker out of the DIN rail Review: Que está con buena calidad - Es un producto que está súper bueno con muy buena calidad Review: Sturdy - Easy to wire, secure switch ## Features - FUNCTIONS: Used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation. - ARC EXTINGUISHING: This DC circuit breaker has a magnetic system to assist arc extinguishing. - QUALITY: Silver alloy contacts, flame retardant material shell, color indicator. - APPLICATION: Used in solar photovoltaic system, or other DC system. - INSTALLATION: 35mm DIN rail mount, screw clamp wires(Soft silicone wire needs to crimp fixed the wire end with copper crimp first). ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B1WDKJNM | | Best Sellers Rank | #28,615 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in Miniature Circuit Breakers | | Brand | CHTAIXI | | Brand Name | CHTAIXI | | Circuit Breaker Type | Standard | | Current Rating | 125 Amps | | Customer Reviews | 4.7 out of 5 stars 133 Reviews | | Manufacturer | CHTAIXI | | Model | 2 Pole | | Mounting Type | DIN Rail Mount | | Number Of Poles | 2 | | Number of Items | 1 | | Number of Poles | 2 | | Part Number | 47NZ125-C | | Smart Home Compatibility | Not Smart Home Compatible | | Unit Count | 1.0 Count | | Voltage | 500 Volts | ## Product Details - **Brand:** CHTAIXI - **Circuit Breaker Type:** Standard - **Current Rating:** 125 Amps - **Mounting Type:** DIN Rail Mount - **Number Of Poles:** 2 ## Images ![DC Miniature Circuit Breaker, 2 Pole 500V 125 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C125 - Image 1](https://m.media-amazon.com/images/I/61rqk0QpPrL.jpg) ## Available Options This product comes in different **Part Number, Model, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Que está con buena calidad *by R***N on May 13, 2026* Es un producto que está súper bueno con muy buena calidad ### ⭐⭐⭐⭐⭐ Sturdy *by M***8 on May 10, 2026* Easy to wire, secure switch ### ⭐⭐⭐⭐⭐ Buen producto. *by A***S on May 7, 2026* Buen producto, cumple con las expectativas ## Frequently Bought Together - Chtaixi DC Miniature Circuit Breaker, 2 Pole 500V 125 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Mount, High Current DC Disconnect Switch MCB 2P C125 - CHTAIXI DC Miniature Circuit Breaker, 2 Pole 1000V 63 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Mount, Chtaixi DC Disconnect Switch C63 - Chtaixi AC Miniature Circuit Breaker, 32 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C32 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/449390501-dc-miniature-circuit-breaker-2-pole-500v-125-amp-din](https://www.desertcart.us/products/449390501-dc-miniature-circuit-breaker-2-pole-500v-125-amp-din) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-06-23*