Eaton MT3300T Thermal Magnetic Trip Unit is a 300 A trip unit for MT-series molded‑case circuit breakers (MCCB). As a thermal‑magnetic trip unit, it provides overload protection through thermal sensing and short‑circuit protection via magnetic action. Designed for use with Eaton MT MCCBs, the MT3300T integrates with the MT family to deliver the required overcurrent protection characteristics.
