Schneider Electric A9N18367 C120N 3P 100A 10kA Miniature Circuit Breaker Acti9

The Schneider Electric A9N18367 is a C120N 3-pole 100A miniature circuit breaker from the Acti9 series, designed for reliable overcurrent and short-circuit protection in industrial and commercial distribution boards. Rated at 100A with a 10kA breaking capacity, the A9N18367 is built for DIN rail installation and meets both IEC 60898-1 and IEC 60947-2 standards, making it suitable for demanding installation environments requiring robust modular protection.

Technical Specifications

Certifications & Standards

• IEC 60898-1: International standard for circuit breakers for overcurrent protection in household and similar installations
• IEC 60947-2: International standard for low-voltage switchgear and controlgear — circuit breakers for industrial applications

Applications & Use Cases

• Main and sub-distribution boards in commercial and industrial buildings
• Overcurrent and short-circuit protection for three-phase electrical circuits
• DIN rail modular panel assemblies requiring high-current MCB protection up to 100A
• Protection of motors, HVAC equipment, and industrial machinery on 3-phase supplies
• Replacement or upgrade of existing modular circuit breakers in Acti9-compatible enclosures