The Schneider Electric DF3EA40 is a Tesys GS NFC cartridge fuse designed for overcurrent protection in industrial electrical systems. This cylindrical fuse, measuring 14 mm x 51 mm, is specifically rated for aM (motor application) fuse types, ensuring robust protection for motor circuits. It operates within a 500 VAC system voltage and is rated for 40 Amps, making it suitable for demanding applications requiring reliable circuit interruption.

Technical details

• Series: Tesys GS
• Fuse Type: aM (motor application)
• Voltage Rating: 500 VAC
• Current Rating: 40 A
• Dimensions: 14 mm (diameter) x 51 mm (length)
• Construction: NFC (Non-Ferrous Contact) cartridge fuse
• Feature: Equipped with a striker for fuse blown indication and tripping mechanisms
• Protection Class: Designed for motor circuit protection against short circuits and overloads

Applications & compatibility

This DF3EA40 fuse is commonly employed in motor control centers, switchgear, and distribution panels within various industrial environments. Its aM rating makes it ideal for protecting electric motors in applications such as conveyor systems, pumps, fans, and machine tools where high inrush currents are expected during startup. It is compatible with fuse holders designed for 14x51 mm cylindrical fuses.

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 DF3EA40 or contact our technical team for cross-reference assistance with compatible Tesys GS components.