The Schneider Electric Square D MEL36800LI1021 is a molded case circuit breaker designed for robust electrical distribution and protection in industrial settings. As part of the MEL series from Square D, this breaker offers reliable performance for systems requiring a 600V rating and a substantial 800A current carrying capacity. Its construction is engineered to withstand demanding operational conditions, making it suitable for heavy-duty applications where consistent power delivery and safety are paramount.

Technical details

• Series: MEL (Molded Case Circuit Breaker)
• Voltage Rating: 600V AC
• Current Rating: 800A
• Frame Size: 800A
• Interrupting Rating: 100kA at 600V AC (This specification is inferred from the "100" in the part number, common for MEL series breakers. Buyers should verify against the manufacturer's datasheet.)
• Number of Poles: 3 (Inferred from the typical configuration of MEL series breakers for this frame size. Buyers should verify against the manufacturer's datasheet.)
• Terminal Type: Lug (Inferred from the "LI" in the part number, often indicating Line and Load lugs. Buyers should verify against the manufacturer's datasheet.)
• Trip Unit Type: LI (Long-Time and Instantaneous)
• Mounting Style: Fixed (Inferred from the typical configuration of this breaker type. Buyers should verify against the manufacturer's datasheet.)

Applications & compatibility

This circuit breaker is commonly deployed in main distribution panels, motor control centers, and large equipment feeders within manufacturing plants, data centers, and utility substations. It is designed to protect circuits from overloads and short circuits, ensuring the integrity of connected machinery such as large motors, transformers, and heavy-duty power distribution systems. Compatibility should be confirmed with specific panelboard and switchgear 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 Electric Square D MEL36800LI1021 or contact our technical team for cross-reference assistance with compatible MEL series components.