Part of the established Schneider Electric LF series, the LF3 medium voltage (MV) circuit breaker is engineered for robust protection and control within electrical distribution networks. This breaker is designed to safeguard critical infrastructure and industrial processes from electrical faults, ensuring operational continuity. Its construction leverages proven technologies for reliable performance in demanding environments.

Technical details

• Series: LF3
• Insulation Medium: SF6 (Sulfur Hexafluoride) gas at low pressure
• Voltage Class: Medium Voltage (MV) - specific voltage rating to be confirmed via manufacturer datasheet.
• Interrupting Capacity: To be confirmed via manufacturer datasheet.
• Operating Mechanism: Spring-charged mechanism for rapid opening and closing operations.
• Pole Configuration: Typically 3-pole for three-phase systems.
• Mounting Type: Designed for panel or cubicle mounting within switchgear assemblies.
• Arc Extinguishing: Utilizes SF6 gas for efficient arc quenching during circuit interruption.

Applications & compatibility

The Schneider LF3 circuit breaker is commonly deployed in utility substations, industrial plants, and large commercial facilities for the protection of medium voltage feeders, transformers, motors, and capacitor banks. It is compatible with various switchgear designs that accommodate its physical dimensions and electrical specifications.

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 Schneider LF3 circuit breaker or contact our technical team for cross-reference assistance with compatible MV switchgear components.