Q1B2100 - 100 Amp Circuit Breaker

Q1B2100 - 100 Amp Circuit Breaker

Engineered for dependable performance and long service life, the Q1B2100 is a thermal-magnetic, two-pole circuit breaker rated at 100 amps. It’s tailored to meet the demands of maintenance and retrofit applications where dependable fault protection and compact size matter. With a 10,000 A interrupting rating (A.I.C.) at 120/240 VAC, this breaker is ready to handle real-world electrical stresses with confidence.

Key Features and Benefits

• Fast fault response: The thermal-magnetic design lets the breaker trip quickly during overloads or short circuits, minimizing stress on wiring and connected equipment.
• Solid longevity: Constructed with high-quality materials and precision engineering, it resists wear and continues performing under challenging electrical environments.
• Space-efficient design: Despite its power rating, this breaker has a relatively compact footprint—useful when panel space is at a premium.
• Versatile compatibility: Designed to retrofit many existing systems, it fits seamlessly into maintenance or upgrade tasks.
• High interruption capacity: With a 10 kA interrupt rating at 120/240 VAC, it offers strong protection against fault currents.
  

Technical Specifications

• Poles: 2
  
• Current Rating: 100 A
  
• Interrupting Capacity (A.I.C.): 10,000 A at 120/240 VAC
  
• Frame Type: Q1B
  
• Dimensions:
  • Width: 1.50 inches
  • Length: 6.38 inches
  • Depth: 2.31 inches
• Weight: 3.50 lbs
  
• Slot/Panel Space Requirement: 4 Spaces
  

Material Compliance and Certifications

• Industry Standards: The Q1B2100 meets all required industry and safety standards applicable to thermal-magnetic circuit breakers. It is manufactured in accordance with rigorous quality and performance protocols, and is certified for use in diverse electrical systems. These certifications ensure that it aligns with both safety and regulatory expectations in professional installations.
  

Where It Works Best

• This breaker is best suited for maintenance, retrofit, or upgrade projects where you need a drop-in replacement that won’t compromise safety. Because of its moderate size and high interrupt capability, it excels in industrial, commercial, or institutional panels with limited space. If your electrical system demands a reliable, certified 100 A, two-pole breaker that can respond quickly and hold up over time, the Q1B2100 is a smart choice.