The Schneider Electric Square D EJB34020SA Miniature Circuit Breaker is engineered for robust overload and short-circuit protection within electrical distribution systems. As a component of the EJB series, this 3-pole breaker is rated for 20 amps and operates at a voltage of 480Y/277VAC, making it suitable for demanding industrial environments, particularly in lighting panelboards and motor control circuits.

Technical Details

• Series: Square D EJB
• Poles: 3
• Current Rating: 20 Amperes
• Voltage Rating: 480Y/277VAC
• Trip Type: Thermal Magnetic
• Interrupting Capacity: Verify with manufacturer datasheet for specific AIC rating.
• Mounting Type: DIN Rail or Panel Mount (verify mounting accessories required).
• Terminal Type: Screw Terminals (verify wire gauge compatibility).

Applications & Compatibility

This circuit breaker is commonly deployed in commercial and industrial facilities for branch circuit protection. Its specifications make it ideal for use in control panels, motor starter circuits, and lighting distribution systems where reliable and safe interruption of electrical faults is paramount. It is designed to integrate seamlessly into standard electrical enclosures and panelboards.

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 EJB34020SA or contact our technical team for cross-reference assistance with compatible Square D components.