Square D by Schneider Electric Q0320 Circuit Breaker

Description:

The Square D Q0320 Circuit Breaker is used in electrical distribution systems for providing overcurrent and short-circuit protection for three-phase branch circuits and equipment loads. Commonly installed in commercial buildings, industrial facilities, motor control centers, and distribution panels utilizing Square D QO load centers and panelboards. Maintenance teams and system integrators use this breaker for replacement, retrofit, expansion, or repair of electrical protection systems.

Applications:

The Square D Q0320 is commonly used for protecting motors, HVAC equipment, machinery, lighting circuits, and three-phase distribution loads where reliable branch circuit protection is required. The QO series breakers utilize Square D's plug-in design for quick installation and are widely used throughout commercial and industrial electrical systems.

Technical Specifications:

• Brand: Square D / Schneider Electric
• Part Number: Q0320 (QO320)
• Product Type: Miniature Circuit Breaker
• Series: QO Series
• Current Rating: 20 Amp
• Number of Poles: 3 Pole
• Voltage Rating: 120/240 VAC
• Interrupt Rating: 10 kAIC
• Mounting Type: Plug-In
• Trip Type: Thermal Magnetic
• Frequency: 50/60 Hz
• Application: Branch Circuit Protection
• Compatible Equipment: Square D QO Load Centers and NQOD Panelboards
• Certifications: UL Listed, CSA Certified
• Function: Overcurrent and Short Circuit Protection
• Dimensions: Approximately 3" H × 1.5" W × 3" D

Common Replacements:

• Square D QO120 Plug-in Circuit Breaker
• Square D QOB120 Bolt On Circuit Breaker
• General Electric QP320 Circuit Breaker