Q2M2100MB - 100 Amp Circuit Breaker

Q2M2100MB - 100 Amp Circuit Breaker

If you're replacing a Q2M2100MB circuit breaker, the small details matter. This 100-amp, 2-pole thermal-magnetic breaker is a Type Q2MB unit rated at 10 kAIC at 120/240 VAC. It has a non-interchangeable trip unit, with 1/4-20" studs on the line side and lug terminals on the load side. The breaker measures 6.5" high, 3.0" wide, and 3.13" deep. Those dimensions and connection points are worth checking carefully, particularly when the breaker is going into existing or legacy electrical equipment. Rather than choosing a replacement based on amperage alone, compare the complete Q2M2100MB specifications with the breaker already in your equipment. It's a straightforward way to confirm the form, fit, and function your application calls for. The Q2M2100MB is built to last when used within its intended ratings and application.

Key Features and Benefits

• 100-amp rating for applications designed around a 100A breaker.
• 2-pole configuration for compatible electrical equipment.
• Thermal-magnetic operation provides overcurrent and short-circuit protection within the breaker's stated ratings.
• Rated 10 kAIC at 120/240VAC.
• Type Q2MB construction for equipment requiring this particular breaker configuration.
• Uses a non-interchangeable trip unit.
• 1/4-20" line-side studs provide the specified line connection.
• Lug terminals on the load side match the original terminal arrangement.
• Clearly defined dimensions make it easier to check physical fit before installation.
• Well suited to maintenance and replacement work where matching the original breaker's specifications is important.

Technical Specifications

• Part Number: Q2M2100MB
  
• Type: Q2MB
  
• Breaker Type: Thermal Magnetic
  
• Amperage: 100A
  
• Poles: 2
  
• Voltage: 120/240VAC
  
• AIC Rating: 10k
  
• Trip Unit: Non-Interchangeable
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 3.0 in.
  • Depth: 3.13 in.
• Line Side: 1/4-20" Studs
  
• Load Side: Lug Terminals
  

Material Compliance and Certifications

• Specific material compliance, certification, and agency listing information is not provided in the available specifications for the Q2M2100MB. If your installation requires a particular certification or compliance standard, check the markings and documentation supplied with the individual breaker. Requirements can vary by equipment and application, so these details should be verified rather than assumed.

Where It Works Best

• The Q2M2100MB makes the most sense for existing electrical systems designed to use this breaker type and configuration. It's particularly relevant for maintenance and form-fit-function replacement applications involving legacy electrical equipment, where matching the original breaker's dimensions, terminals, electrical ratings, and trip configuration is important.