Schneider Electric EZ9F57420 Easy9 Pro 4P 20A 6kA 415V AC DIN Rail Miniature Circuit Breaker

The Schneider Electric EZ9F57420 Easy9 Pro is a 4-pole 20A miniature circuit breaker (MCB) rated at 415V AC with a breaking capacity of 6 kA, designed for reliable overcurrent and short-circuit protection in industrial and commercial distribution boards. Featuring clip-on DIN rail mounting, this MCB delivers fast installation and long-term dependability in control panels and switchgear assemblies. Certified to IEC/EN 60898-1 and IEC/EN 60947-2, the EZ9F57420 meets the highest international standards for circuit protection performance.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International standard for 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 — general requirements
• TSE: Turkish Standards Institution approval
• CE: European Conformity marking — meets EU health, safety, and environmental requirements
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation on chemical substances

Applications & Use Cases

• Overcurrent and short-circuit protection in 4-pole distribution boards
• Industrial control panels and switchgear assemblies
• Commercial and multi-phase building electrical installations
• Three-phase + neutral load protection in automation and process control systems
• Panel builders requiring compact, DIN rail-mountable circuit protection