Discover the ABB S751/3DR-E63 Hauptsicherungsautomat, a selective main circuit breaker designed for reliable protection in electrical distribution. Built for professionals who value safety, precision, and dependable performance in complex installations.

Key Features & Design

• Model: ABB S751/3DR-E63
• Type: Hauptsicherungsautomat (main circuit breaker)
• Configuration: 3 x 1
• Rated current: 63 A
• Protection: Selective protection to coordinate with downstream devices
• Quality: ABB engineering and build quality
• Application: Suitable for installation in distribution panels and electrical boards

Performance / Benefits

The S751/3DR-E63 delivers reliable, coordinated protection for electrical systems. Its selective tripping helps isolate faults quickly while keeping the rest of the installation powered, reducing downtime and enabling safer maintenance. With a 63 A rating, it suits medium-load circuits that require robust protection without unnecessary interruptions.