The Schneider Electric Square D QHB320 is a 3-pole miniature circuit breaker designed for robust electrical system protection. This breaker is engineered to interrupt fault currents up to 65kA, ensuring safety in demanding industrial environments. Its design accommodates a 20A current rating and operates across dual voltage ranges of 120VAC and 240VAC, offering significant application flexibility.

Technical Details

• Series: Square D QHB
• Poles: 3
• Current Rating: 20 Amperes (A)
• Voltage Rating: 120/240 Volts Alternating Current (VAC)
• Interrupting Capacity: 65,000 Amperes (A) at 240VAC
• Mounting Type: Bolt-on
• Terminal Type: Screw terminal
• Trip Unit Type: Thermal-magnetic

Applications & Compatibility

This circuit breaker is suitable for protecting circuits in control panels, motor control centers, and distribution boards across various industrial sectors. It is commonly employed in applications such as conveyor systems, HVAC equipment, and general power distribution 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 QHB320 or contact our technical team for cross-reference assistance with compatible Square D components.