The Schneider Electric Square D MJF36400 is a molded case circuit breaker engineered for robust protection in high-current industrial applications. As part of the MJF series, this three-pole breaker is designed to safeguard electrical systems operating at up to 600 VAC. Its construction is optimized for reliability in demanding environments where consistent power delivery and safety are critical.

Technical details

• Series: MJF
• Type: Molded Case Circuit Breaker
• Poles: 3
• Voltage Rating: 600 VAC
• Current Rating: 400 Amps
• Interrupting Capacity: High (specific rating to be confirmed via manufacturer datasheet)
• Frame Size: MJF (specific frame size details to be confirmed via manufacturer datasheet)
• Terminal Type: Lug (standard for this series, specific configuration to be confirmed via manufacturer datasheet)

Applications & compatibility

This circuit breaker is suitable for use in heavy-duty electrical distribution systems, motor control centers, and power panels commonly found in manufacturing plants, processing facilities, and large commercial buildings. It provides essential overcurrent protection for equipment such as large motors, transformers, and main service disconnects.

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 MJF36400 or contact our technical team for cross-reference assistance with compatible Square D MJF series components.