The Schneider Electric Square D Q4L3400MB is a molded case circuit breaker designed for robust electrical system protection. As part of the Q4L series, this 3-pole breaker is rated for 400 Amperes and operates at 240VAC. Its thermal magnetic trip unit provides essential overload and short-circuit protection, making it suitable for demanding industrial environments.

Technical Details

• Series: Q4L
• Poles: 3
• Amperage Rating: 400A
• Voltage Rating: 240VAC
• Trip Mechanism: Thermal Magnetic
• Terminal Type: Line and Load Lug Terminals
• Wire Size Compatibility: Compatible with wire sizes from 1 AWG and larger. For specific maximum wire sizes and torque specifications, please consult the manufacturer's datasheet.
• Interrupting Rating: Please verify the specific interrupting rating (kAIC) against the manufacturer's datasheet for your application requirements.

Applications & Compatibility

This Q4L series circuit breaker is commonly employed in power distribution panels, motor control centers, and main service disconnects within manufacturing facilities. It is suitable for protecting circuits in applications such as heavy machinery, large motor loads, and general power distribution systems where reliable overcurrent protection is critical.

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 Q4L3400MB or contact our technical team for cross-reference assistance with compatible Q4L series components.