QR22B100 - 100 Amp Circuit Breaker

QR22B100 - 100 Amp Circuit Breaker

If you’re looking for dependable circuit protection that won’t let you down, the QR22B100 100 Amp Circuit Breaker is built to handle the job. This 2-pole breaker is designed for 240-volt AC systems and delivers a solid 10,000 amp interrupting capacity, giving you peace of mind against overloads and short circuits. It’s compact, easy to work with, and flexible enough to fit into a variety of commercial and industrial electrical setups. Whether you’re upgrading an existing panel or installing new equipment, this breaker is made to keep your system safe and running smoothly.

Key Features and Benefits

• Reliable protection when it matters most — handles up to 10kA of fault current without damage.
• Smart trip technology — featuring a thermal-magnetic design — provides both overload and instant short-circuit protection.
• Saves panel space — compact QR frame keeps things neat without sacrificing performance.
• Ready for add-ons — works with UL-listed accessories like shunt trips and auxiliary switches for extra functionality.
• Easy to test — push-to-trip button makes regular maintenance simple and quick.

Technical Specifications

• Series: QR2
• Amperage: 100 A
• Voltage Rating: 240 V AC
• Poles: 2
• Interrupting Rating: 10 kA @ 240 V AC
• Trip Type: Thermal-Magnetic (Long-Time + Instantaneous)
• Mounting Style: Bolt-On
• Connection Type: Lug-In /Lug-Out (no lugs installed)
• Frame Type: QR
• Operating Temperature Basis: Calibrated at 40 °C
• Approximate Weight: ~3.2 lb
• Dimensions (H × W × D): 7.087 in × 4.331 in × 3.937 in

Material Compliance and Certifications

• Certified to: UL 489, CSA C22.2, and NOM-003 standards
• REACH compliant – no Substances of Very High Concern reported
• RoHS compliance – not declared

Where It Works Best

• Commercial buildings — protect branch circuits in offices, schools, and retail environments
• Industrial facilities — dependable choice for heavy-duty panels and machinery controls
• Panelboards & load centers — fits seamlessly into distribution systems
• OEM control panels — perfect for engineers designing systems that need strong, consistent protection