The Schneider Electric 31640 is a compact circuit breaker designed for robust electrical protection in industrial environments. As part of the NS250N series, this 4-pole device features a thermal magnetic (TMD) trip unit, providing reliable overcurrent and short-circuit protection for critical machinery and distribution systems. Its design is optimized for applications requiring precise current limiting and fault interruption.

Technical details

• Series: NS250N
• Poles: 4
• Trip Unit Type: TMD (Thermal Magnetic)
• Rated Current: 250 A
• Form Factor: Compact
• Interrupting Capacity: Please refer to the manufacturer's datasheet for specific interrupting ratings.
• Voltage Rating: Please refer to the manufacturer's datasheet for specific voltage ratings.
• Connection Type: Please refer to the manufacturer's datasheet for specific connection details.

Applications & compatibility

This circuit breaker is commonly utilized in motor control centers, power distribution panels, and as a main disconnect for industrial equipment. It is suitable for protecting circuits in manufacturing plants, processing facilities, and other demanding industrial settings where reliable and precise overcurrent protection is essential.

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 31640 or contact our technical team for cross-reference assistance with compatible NS250N series components.