The Schneider Electric Square D NHDF36150U31XTW is a molded case circuit breaker designed for robust electrical protection in demanding industrial environments. As part of the Square D NHD series, this breaker offers reliable performance for applications requiring high current interruption capabilities and overcurrent protection. It is engineered to safeguard electrical distribution systems and equipment from damage caused by overloads and short circuits.

Technical details

• Series: Square D NHD
• Type: Molded Case Circuit Breaker (MCCB)
• Frame Size: NHDF
• Voltage Rating: 600V AC
• Current Rating: 150A
• Interrupting Rating: 35kA at 480V AC (This is a common rating for this frame size and voltage, but buyers should verify against the datasheet for the exact U31XTW variant.)
• Number of Poles: 3
• Terminal Type: Lug terminals (XTW suffix often indicates specific terminal configurations)

Applications & compatibility

This circuit breaker is suitable for use in main distribution panels, branch circuit protection, and as a component in motor control centers. It is commonly found in heavy industrial settings such as manufacturing plants, processing facilities, and large commercial buildings where reliable and high-capacity circuit protection is essential for machinery and electrical infrastructure.

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 NHDF36150U31XTW or contact our technical team for cross-reference assistance with compatible NHD series components.