The Schneider Electric Square D EJB34040SA Miniature Circuit Breaker is a 3-pole thermal-magnetic breaker designed for robust overload and short-circuit protection in electrical distribution systems. This unit is part of the EJB series, commonly utilized in lighting panelboards and compatible with Square D NF Panelboards, ensuring reliable circuit interruption for critical applications.

Technical details

• Series: Square D EJB
• Poles: 3
• Amperage Rating: 40A
• Voltage Rating: 480Y/277V AC
• Interrupting Capacity: Maximum interrupt capacity (specific value to be confirmed via datasheet)
• Trip Type: Thermal-Magnetic
• Mounting Type: DIN Rail Mount (typical for this series, confirm via datasheet)
• Terminal Type: Screw Terminals (typical for this series, confirm via datasheet)

Applications & compatibility

This circuit breaker is specifically engineered for use in commercial and industrial electrical distribution panels, particularly within lighting circuits and motor control applications. Its compatibility with Square D NF Panelboards makes it a direct fit for existing installations, simplifying upgrades and replacements in facilities such as manufacturing plants, office buildings, and retail spaces.

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 EJB34040SA or contact our technical team for cross-reference assistance with compatible EJB series components.