Designed for robust power distribution in industrial environments, the Schneider Electric Square D NJLL36400E20 is a 3-pole molded case circuit breaker. This unit is engineered to provide reliable overcurrent protection for high-capacity electrical systems, ensuring operational continuity and equipment safety.

Technical details

• Series: Square D NJLL (part of the I-Line family)
• Poles: 3
• Voltage Rating: 600V AC
• Current Rating: 400 Amperes
• Interrupting Rating: 25kA at 600V AC (typical for this series, verify with datasheet)
• Frame Size: L-Frame (indicated by 'L' in NJLL)
• Terminal Type: Load side lugs (indicated by 'E20' - typically refers to lug type and quantity)
• Trip Unit Type: Thermal-Magnetic (indicated by '364' - typically signifies a fixed thermal, adjustable magnetic trip unit, verify with datasheet)

Applications & compatibility

This circuit breaker is suitable for main or branch circuit protection in heavy-duty industrial settings, including manufacturing plants, data centers, and large commercial facilities. It is commonly integrated into power distribution panels and switchgear for protecting large motors, transformers, and other critical loads.

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 NJLL36400E20 or contact our technical team for cross-reference assistance with compatible Square D I-Line components.