Fuji Electric BU-ESB3100 is a three-pole molded-case circuit breaker (MCCB) rated for 100 A at up to 600 V AC, designed to protect electrical distribution circuits from overload and short circuits. The unit carries a 40°C ambient rating, making it suitable for standard industrial installations where temperatures stay within that range. As part of Fuji Electric's BU-ESB family, this 3P MCCB is intended for low-voltage distribution panels and provides reliable interruption of current during overcurrent events.
