QOU120 - 20 Amp Circuit Breaker

QOU120 - 20 Amp Circuit Breaker

Whether you're upgrading a home panel, wiring a commercial space, or integrating into OEM equipment, the Schneider Electric QOU120 20 Amp mini circuit breaker sets the standard for dependable circuit protection. Designed for both residential and light commercial use, this 1‑pole breaker operates at 120/240 VAC and delivers a 10 kA interrupting capacity—perfect for protecting sensitive electronics against short circuits and overcurrent conditions.

Key Features and Benefits

• Dependable Overcurrent Safety: Acts fast to guard your electrical system from overloads and short circuits, making installations safer and more reliable.
• Dual-Action Protection: Combines instantaneous magnetic response with a built-in time-delay feature—providing both quick cutoff and selective protection.
• Flexible Installation: Compact and designed for unit-mount use, it fits neatly into tight panel spaces and works well in OEM setups or retrofit projects.
• Manual Circuit Control: Includes an internal magnetic strip for manual trip control, giving users a straightforward way to open the circuit if needed.
• High Fault-Clearance Rating: Supports a 10 kA interrupting capacity at 120/240 VAC, offering strong protection against common fault currents.
• Space-Efficient Form Factor: Slim dimensions (just over 0.75″ wide) make it ideal for dense panel layouts, without sacrificing performance.

Technical Specifications

• Current Rating: 20 A
• Voltage Compatibility: 120/240 VAC (also usable at 120 VAC or 48 VDC)
• Interrupting Capacity: 10 kA at 120/240 VAC
• Poles: Single‑pole (1P)
• Mounting Style: Unit‑mounted
• Wire Connection: Slotted box lugs (both line and load sides)
• Wire Sizes Supported: AWG 14 to AWG 2, compatible with copper or aluminum conductors
• Tightening Torque: 45 lbf·in (≈ 5.08 N·m)
• Dimensions (H×W×D): 4.05″ × 0.75″ × 2.95″ (102.9 mm × 19.1 mm × 74.9 mm)
• Net Weight: 0.32 lb (0.145 kg)

Material Compliance and Certifications

• Safety Listings: UL‑listed, CSA, IEC standards
• Environmental Compliance: Fully RoHS and REACh compliant, meaning it’s free of harmful substances
• Green Credentials: Meets Schneider Electric’s Green Premium standards—no mercury, no toxic heavy metals, and halogen-free materials

Where It Works Best

• In residential electrical panels, offering dependable circuit protection in kitchens, basements, garages, and beyond
• At commercial job sites, fitter for light commercial power distribution needs
• Within OEM setups, integrating easily into custom switchboards or industrial equipment panels
• For panel upgrades or retrofits, fitting into tight spaces thanks to its slender profile
• Because it handles significant fault currents and offers dependable protection, the QOU120 is perfect when safety, reliability, and installation flexibility all matter.