Siemens 3WN6421-OHV05-1HH1 is a molded case circuit breaker (MCCB) designed for industrial power distribution. Rated for up to 500 V and 1600 A, it provides primary protection for feeders and motor circuits by interrupting current during overloads or short circuits. This model is part of Siemens' 3WN MCCB line, suitable for rugged industrial installations where high-current protection is required in distribution panels and control enclosures.
