The Schneider Electric 18664 is a miniature circuit breaker (MCB) from the NG125N series, engineered for robust electrical system protection. This 3-pole device is designed to safeguard circuits against overcurrents and short circuits, commonly found in commercial and industrial power distribution panels. Its B tripping curve provides a specific response characteristic for applications requiring moderate sensitivity to inrush currents.

Technical details

• Series: NG125N
• Number of Poles: 3P
• Rated Current: 100A
• Tripping Curve: B Curve
• Interrupting Capacity: Not specified; verify with manufacturer datasheet.
• Voltage Rating: Not specified; verify with manufacturer datasheet.
• Frequency: Not specified; verify with manufacturer datasheet.
• Terminal Type: Not specified; verify with manufacturer datasheet.
• Mounting Type: DIN rail mount (standard for MCBs of this type)

Applications & compatibility

This Schneider Electric MCB is suitable for protecting electrical circuits in a variety of settings, including control panels, building electrical systems, and machinery requiring reliable overcurrent protection. It is compatible with standard DIN rail mounting systems and is designed to integrate seamlessly into existing electrical infrastructure where a 3-pole, 100A breaker with a B curve is specified.

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 18664 or contact our technical team for cross-reference assistance with compatible NG125N series components.