QR23B100 - 100 Amp Circuit Breaker

QR23B100 - 100 Amp Circuit Breaker

Protect your electrical system with confidence using the QR23B100 circuit breaker. Engineered to handle demanding 240 V loads, this 100-amp molded-case breaker offers reliable protection for residential, commercial, and HVAC applications. Built on Siemens' proven QR2 platform, it’s compact, dependable, and easy to install. With a 10 kA interrupting rating and HACR compatibility, it’s ready for modern panelboards and HVAC circuits alike.

Key Features and Benefits

• 100 Amp, 3-Pole protection: Ideal for three-phase applications that require balanced load protection.
• Load-side lugs included: Speeds up wiring and ensures a clean, professional connection.
• HACR rated: Safe for use in HVAC systems and in regular panels without extra derating.
• Compact and user-friendly design: At just 7 inches tall and ~3 pounds, it’s easy to handle and mount.
• Based on QR2 frame: Leverages a platform known for dependable performance and proven infrastructure.

Technical Specifications

• Part Number: QR23B100
  
• Frame: QR2
  
• Poles: 3
  
• Amperage: 100 A
  
• Voltage Rating: 240 VAC
  
• Interrupting Capacity (AIC): 10,000 A
  
• Operating Temperature: Up to 40 °C
  
• Dimensions: 7 in (height)
  
• Weight: Approx. 3 lb
  
• Included Hardware: Load-side lugs
  
• Type: Molded Case Circuit Breaker
  

Material Compliance and Certifications

• Industry Standards: This breaker meets industry standards for molded-case circuit breakers in terms of performance and safety.
• HACR Rating: Ensures it’s suitable for both HVAC and general service use, so you don’t have to worry about compatibility in diverse installations.
• Quality Control: Each unit is manufactured under stringent quality controls to maintain consistent reliability under load.

Where It Works Best

• Residential panels with heavy loads — Ideal when your home has high-demand circuits or expansion plans.
• Light commercial service panels — Useful in small business settings where three-phase distribution is present.
• HVAC applications — Thanks to its HACR rating, it handles both heating/cooling units and general circuit protection.
• Industrial or workshop spaces — Useful in light industrial areas that require stable, high-current protection.