The Schneider Electric 30451 is a trip unit designed for circuit protection within industrial electrical systems. As part of the TMD series, this unit is engineered to provide reliable overcurrent and short-circuit interruption. It is commonly integrated into motor control centers and distribution panels where precise fault detection is critical.

Technical details

• Series: TMD
• Trip Unit Type: Electronic Trip Unit
• Rated Current: 125 Amperes
• Number of Poles: 4-pole (4d)
• Functionality: Provides overcurrent and short-circuit protection.
• Compatibility: Designed for use with Schneider Electric MasterPact circuit breakers. Specific voltage and interrupting ratings should be verified against the manufacturer's datasheet for the complete breaker assembly.
• Configuration: 4d indicates a 4-pole configuration with a neutral pole.

Applications & compatibility

This TMD trip unit is suitable for a wide range of industrial applications, including motor protection, feeder protection, and main incoming protection in facilities such as manufacturing plants, water treatment facilities, and commercial buildings. It is designed to integrate seamlessly with compatible Schneider Electric MasterPact breaker frames, ensuring reliable operation in demanding environments.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the 30451 or contact our technical team for cross-reference assistance with compatible TMD components.