1SYS272012R0501

The ABB SB202M-D50 Miniature Circuit Breaker (MCB), order code 1SYS272012R0501, is a double-pole electrical protection device rated at 50 A, featuring a D-type tripping characteristic and a rated short-circuit breaking capacity of 10 kA. It provides overload protection through a thermal tripping mechanism and short-circuit protection through an electromagnetic tripping mechanism. The D-curve characteristic is intended for compatible electrical circuits with specific starting-current requirements. Part of ABB's System pro M compact SB200M product range, it is suitable for appropriately designed residential, commercial and industrial electrical installations. The device complies with IS/IEC 60898-1 and is designed for installation in compatible electrical distribution boards and control panels, subject to proper circuit sizing and protection coordination.