ABB OS30FAJS30 Industrial Safety Switch With Key Interlock and 3 Pole Construction

ABB OS30FAJS30 Industrial Safety Switch With Key Interlock and 3-Pole Construction is a 3-pole fusible disconnect switch from ABB’s PowerLine family, engineered to safely isolate power to industrial equipment. Side-operated with a right-side mechanism, this 30 A device is rated up to 600 V (AC) and accepts Class J fuses; the model designation OS30FAJS30 specifies that the handle and shaft are not included. Listed to UL/CSA standards, it provides a robust, compact solution for motor control centers, machine guarding, and maintenance isolation in harsh industrial environments. This OS30 variant integrates with ABB’s safety-switch ecosystem, enabling reliable lockout and interlock workflows as part of a broader safety architecture.