The SCHNEIDER ELECTRIC SQUARE D SFA3040K is a thermal-magnetic molded case circuit breaker designed for reliable overcurrent protection in industrial electrical distribution systems. As part of the Square D SFA family, this breaker offers robust performance for safeguarding equipment against overload and short-circuit conditions. Its construction is engineered for durability and consistent operation in demanding environments.

Technical details

• Series: Square D SFA
• Type: Molded Case Circuit Breaker (MCCB)
• Amperage Rating: 40 Amps
• Number of Poles: 3-Pole
• Interrupting Rating: 10 kA at 240 VAC (Verify against manufacturer datasheet for specific voltage ratings)
• Frame Size: SFA
• Terminal Type: Lug terminals (Verify against manufacturer datasheet for specific terminal compatibility)
• Mounting Type: Bolt-on (Verify against manufacturer datasheet for specific mounting requirements)

Applications & compatibility

This 40-amp, 3-pole circuit breaker is suitable for use in a wide range of industrial applications, including motor control circuits, lighting panels, and general power distribution. It is commonly found in control panels for manufacturing equipment, HVAC systems, and building automation systems where reliable circuit protection is paramount.

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 SFA3040K or contact our technical team for cross-reference assistance with compatible Square D SFA components.