CHTAIXI DC Miniature Circuit Breaker 2-Pole 1000V 20A | Solar PV DC Disconnect C20

Discover the CHTAIXI DC Miniature Circuit Breaker, a reliable 2-pole isolator designed for demanding DC environments. Built to protect power distribution facilities from overloads and short circuits, it also serves as a smart control and isolation point within a solar PV array, DC bus, or shipboard electrical panel. The compact form and sturdy construction help you keep essential circuits safe while maintaining clear access for maintenance and testing.

Key features include a fast electromagnetic trip that engages instantly during a fault, helping to safeguard downstream equipment and wiring from damage. The DC arc extinguishing system uses a magnetic assist to tame switching arcs, a critical detail for high-voltage DC networks where arc control matters most. With a 1000 V DC rating and a 20 A capacity, it fits compact enclosures without compromising performance, and it wires cleanly via screw clamps for secure, durable connections.

Designed for versatility, this unit fits 35 mm DIN rails and supports easy installation in a range of applications, from solar PV DC side protection to marine and industrial DC distribution. The unit’s rugged housing, clear markings, and modular form factor support straightforward replacement and routine maintenance in busy control rooms or service decks. It is intended for use in DC power systems, solar PV installations, or other DC networks where reliable protection and isolation matter.

Why choose this CHTAIXI DC MCB?

• Overload and short-circuit protection helps prevent cascading faults in DC networks.
• Immediate trip response via electromagnetic mechanism enhances safety during faults.
• DC arc management improves switching safety compared to non-magnetic designs.
• DIN rail mounting and screw clamps simplify installation and wiring consistency.
• Versatile applications span solar PV, DC distribution, and marine systems.

Installation and durability notes

• Mount on 35 mm DIN rails for standard panels and enclosures.
• Ensure proper wiring discipline with clean screw connections and labeled circuits.
• Plan for safe clearances around high-voltage components in DC layouts.

In practice, technicians appreciate the tidy wiring and quick replacement this MCB enables, along with clear trip indications on the panel door or din rail bracket. When planning DC protection for solar or marine power, standardizing on a compact, high-integrity device like this can help simplify maintenance routines and future upgrades.