QBA221004 - 100 Amp Circuit Breaker

QBA221004 - 100 Amp Circuit Breaker

The QBA221004 PowerPact Q circuit breaker is the kind of component you install and don’t have to think about again. Built for 240VAC systems, this 100 amp, 2-pole breaker handles everyday electrical protection with steady, predictable performance. It uses a thermal-magnetic trip system, which means it responds appropriately whether you’re dealing with a gradual overload or a sudden short circuit. With a 10kA interrupting rating, it’s well-suited for common commercial and light industrial applications where reliable fault protection is a must. From an installation standpoint, it keeps things simple. The I-Line connection on the line side helps it seat quickly into compatible panelboards, while the load-side lugs give you flexibility with wiring. There’s also a push-to-trip button right on the front—useful for quick checks during routine maintenance without needing to remove anything. It’s a straightforward, well-built breaker that does what it’s supposed to do, without adding extra steps to your workflow.

Key Features and Benefits

• 100A, 2-Pole Breaker – Designed for standard 240VAC distribution systems
• Thermal-Magnetic Trip Unit – Handles both overload and short-circuit protection
• 10kA Interrupting Capacity – Suitable for typical commercial fault levels
• I-Line Mounting (Line Side) – Helps streamline installation
• Push-to-Trip Button – Allows quick manual testing
• Solid, Practical Design – Built for consistent performance over time
• Compact Footprint – Fits easily into panelboards

Technical Specifications

• Catalog Number: QBA221004
• Series: PowerPact Q
• Amperage: 100A
• Poles: 2
• Voltage Rating: 240VAC, 50/60 Hz
• Interrupting Rating: 10kA @ 120/208VAC & 240VAC
• Trip Type: Thermal-Magnetic
• Magnetic Trip: 2400A
• Mounting: I-Line (line), Lug (load)
• Continuous Rating: 80%
• Impulse Withstand Voltage: 8 kV
• Dimensions: 6.47" H x 3" W x 3.93" D
• Wire Range: AWG 4–300 kcmil

Material Compliance and Certifications

• UL Listed
• CSA Certified
• NOM Compliant
• IEC Certified

Where It Works Best

• Commercial buildings and office panels
• Light industrial distribution systems
• HVAC equipment (HACR rated)
• Retail spaces and mixed-use properties
• Panelboard upgrades using I-Line configurations