Siemens 3VF1231-1DH11-0AA0 Molded Case Circuit Breaker

Siemens 3VF1231-1DH11-0AA0 Molded Case Circuit Breaker is a low-voltage protection device from Siemens’ SENTRON family, designed to interrupt excessive current and safeguard electrical circuits in distribution panels. This variant carries a 36–50 A nominal current rating, providing protection for feeders and branch circuits in commercial and light-industrial installations. As a molded-case breaker, it offers a compact, enclosure-friendly form that integrates with Siemens panels and compatible 3VF accessories, ensuring reliable performance within a modular protection system. The 3VF1231-1DH11-0AA0 designation identifies the exact model within the family, helping ensure correct compatibility with mounting platforms and accompanying trip units for system-wide protection coordination. Typical applications include protecting power circuits in switchgear, control panels, and distributed loads where dependable overcurrent interruption and clear discrimination are essential for system safety and reliability.