--- product_id: 457361674 title: "DC Miniature Circuit Breaker, 2 Pole 500V 80 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C80" brand: "chtaixi" price: "R747" currency: ZAR in_stock: true reviews_count: 9 category: "Chtaixi" url: https://www.desertcart.co.za/products/457361674-dc-miniature-circuit-breaker-2-pole-500v-80-amp-din store_origin: ZA region: South Africa --- # 80A high current rating Thermal-magnetic trip with arc extinguishing 35mm DIN rail mount DC Miniature Circuit Breaker, 2 Pole 500V 80 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C80 **Brand:** chtaixi **Price:** R747 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your solar system with unmatched safety and style! ## Quick Answers - **What is this?** DC Miniature Circuit Breaker, 2 Pole 500V 80 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C80 by chtaixi - **How much does it cost?** R747 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/457361674-dc-miniature-circuit-breaker-2-pole-500v-80-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 - • **Advanced Arc Extinguishing:** Magnetic system ensures safe, reliable interruption of DC arcs every time. - • **Robust 80A Current Handling:** Power through your solar setup with confidence and zero compromise. - • **Flame Retardant, Tough Shell:** Built to withstand harsh environments while keeping your system safe. - • **Seamless DIN Rail Installation:** Snap it in place with the industry-standard 35mm rail for quick, secure mounting. - • **Silver Alloy Contacts for Durability:** Minimize wear and maximize lifespan with premium contact materials. ## Overview The CHTAIXI 2 Pole DC Miniature Circuit Breaker is engineered for high-performance solar PV and DC power systems, offering 80A current capacity at 500V DC. Featuring thermal-magnetic trip technology and a magnetic arc extinguishing system, it ensures reliable overload and short-circuit protection. Designed for easy 35mm DIN rail mounting, it boasts silver alloy contacts and a flame-retardant shell for enhanced durability and safety, making it a trusted choice for professional-grade power distribution. ## 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: Been in use in off grid solar for over 2 years going strong - This has been in nonstop use since purchased and has worked as intended. Has not tripped yet but the max current in my system is around 60A. It opens the circuit even with 60A DC flowing through it when pulled manually. Review: Cumple - Cumle ## 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 | B0B1WD59ND | | Best Sellers Rank | #27,681 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #13 in Miniature Circuit Breakers | | Brand | CHTAIXI | | Brand Name | CHTAIXI | | Circuit Breaker Type | Standard | | Current Rating | 80 Amps | | Customer Reviews | 4.7 out of 5 stars 89 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:** 80 Amps - **Mounting Type:** DIN Rail Mount - **Number Of Poles:** 2 ## Images ![DC Miniature Circuit Breaker, 2 Pole 500V 80 Amp | DIN Rail Mount Isolator for Solar PV System, Thermal Magnetic Trip, High Current DC Disconnect Switch MCB 2P C80 - Image 1](https://m.media-amazon.com/images/I/61BOPnxu81L.jpg) ## Available Options This product comes in different **Part Number, Model, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Been in use in off grid solar for over 2 years going strong *by A***M on January 25, 2025* This has been in nonstop use since purchased and has worked as intended. Has not tripped yet but the max current in my system is around 60A. It opens the circuit even with 60A DC flowing through it when pulled manually. ### ⭐⭐⭐⭐⭐ Cumple *by A***O on April 28, 2026* Cumle ### ⭐⭐⭐⭐⭐ Polarity? *by M***E on March 24, 2026* Work but not marked line or load ? --- ## 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.co.za/products/457361674-dc-miniature-circuit-breaker-2-pole-500v-80-amp-din](https://www.desertcart.co.za/products/457361674-dc-miniature-circuit-breaker-2-pole-500v-80-amp-din) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-06-21*