CUTLER 373B331G18UA201MODELJ3P Molded Case Circuit Breaker

The CUTLER/Cutler-Hammer part number 373B331G18UA201 is a three-pole molded case circuit breaker in the Model J family, designed to provide dependable overcurrent protection in electrical distribution systems. As a molded case circuit breaker (MCCB), it protects individual circuits within panels and enclosures, with three poles to monitor and interrupt all conductors in a three‑phase system when a fault occurs. The Model J designation signals a classic, modular approach to circuit protection that aligns with many industrial control and power distribution applications and is intended for use within compatible CUTLER panel architectures. For exact ratings, trip characteristics, and panel compatibility, consult the official CUTLER/Cutler-Hammer datasheet and installation guidelines to ensure correct selection and safe operation.