The Schneider Electric LV430451 is a TM125D trip unit designed for use with Compact NSX 160/250 circuit breakers. This thermal magnetic trip unit provides overcurrent protection for electrical distribution systems. It is engineered to ensure reliable operation and safety in demanding industrial environments.

Technical details

• Trip Unit Type: Thermal Magnetic
• Model Designation: TM125D
• Compatible Circuit Breaker Series: Compact NSX 160/250
• Number of Poles: 4
• Pole Configuration: 4d (4 normally open auxiliary contacts)
• Current Rating: 125 A
• Protection Functionality: Overcurrent (thermal overload and magnetic short-circuit)

Applications & compatibility

This trip unit is integral to the protection schemes of Schneider Electric's Compact NSX 160/250 circuit breakers. It is commonly deployed in industrial power distribution panels, motor control centers, and equipment requiring robust circuit protection in sectors such as manufacturing, food and beverage processing, and water treatment facilities.

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 LV430451 or contact our technical team for cross-reference assistance with compatible Compact NSX components.