Q1L2100 - 100 Amp Circuit Breaker

Q1L2100 - 100 Amp Circuit Breaker

Protect your system with confidence. The Q1L2100 100A feed-thru thermal magnetic circuit breaker delivers reliable defense against both overloads and short circuits. With its space-saving form and proven protection, it’s a wise choice when you want dependable performance without reworking existing wiring.

Key Features and Benefits

• Thermal + Magnetic Protection: Combines overload trip (thermal) and instantaneous trip (magnetic) so your wiring, devices, and downstream circuits stay safe even under fault conditions.
• Feed-Thru Design: Allows power to pass through the breaker, making installation cleaner and reducing risk of wiring mistakes. Especially handy when expanding or reconfiguring panels.
• Slim Profile: At just 1.50" width, this breaker slips into tight panel spaces, letting you upgrade or add circuits without tearing up your setup.
• 2-Pole, 120/240V: Suits split-phase systems, covering typical residential and light commercial applications.
• 10 kAIC Interrupting Capacity: Rated to safely interrupt up to 10,000 amps at 120/240 VAC, offering strong protection in fault events.

Technical Specifications

• Amperage: 100 A
• Poles: 2
• Voltage Rating: 120/240 VAC
• A.I.C. Rating: 10 kA @ 120/240 VAC
• Dimensions:
  • Width: 1.50″
  • Length: 6.38″
  • Depth: 2.31″
• Frame Type: Q1L
• Panel Spaces Required: 4 spaces

Material Compliance and Certifications

• UL Listed: This breaker is UL Listed, ensuring it meets rigorous safety standards for use in North American installations. It is built to industry norms for performance, durability, and reliability in electrical protection.

Where It Works Best

• This breaker shines in retrofit and upgrade scenarios. Use it when you want to add circuits or expand capacity without gutting your current wiring layout. It works well in both residential and light commercial switchgear or load centers (breaker panels). Its slim footprint lets it slip into existing systems, and the feed-thru feature simplifies wiring for branch circuits downstream.