FB3090S - EATON MOLDED CASE CIRCUIT BREAKER

Current rating: 90A Number of poles: 3P (Three poles) Voltage rating: 480V

The FB3090S appears to be another variant of the molded case circuit breaker (MCCB) manufactured by Eaton, under the brands Eaton, Westinghouse, and Cutler Hammer. Similar to the FB3070S, the "S" likely denotes a specific feature, application, or modification compared to the standard FB3090.