Schneider Electric EZ9F57450 Easy9 Pro MCB 4P 50A 6kA 415V AC DIN Rail Miniature Circuit Breaker

The Schneider Electric EZ9F57450 Easy9 Pro MCB is a 4-pole 50A miniature circuit breaker delivering 6 kA breaking capacity at 415V AC, designed for reliable overcurrent and short-circuit protection in industrial and commercial distribution boards. Rated at 415V AC 50/60 Hz and compliant with IEC/EN 60898-1 and IEC/EN 60947-2, the EZ9F57450 mounts via clip-on DIN rail for fast, tool-free installation in control panels and distribution enclosures.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: Miniature circuit breakers for overcurrent protection in household and similar installations
• IEC 60529: Degrees of protection provided by enclosures (IP Code)
• IEC/EN 60947-2: Low-voltage switchgear and controlgear — circuit breakers for industrial applications
• IEC 60068-1: Environmental testing standard for climatic and mechanical durability
• TSE: Turkish Standards Institution approval for distribution in Turkey and compliant markets
• CE: European Conformity marking confirming compliance with applicable EU directives
• RoHS: Restriction of Hazardous Substances — lead-free and environmentally compliant construction
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliance

Applications & Use Cases

• Overcurrent and short-circuit protection in industrial control panels and motor control centres
• Distribution board protection in commercial buildings and infrastructure projects
• Three-phase + neutral circuit protection requiring a 4-pole switching device
• Panel builders and system integrators requiring IEC/EN 60947-2 rated devices for industrial duty
• Projects specifying Schneider Electric Easy9 Pro series for standardised distribution solutions