A1B3100 - 100 Amp Circuit Breaker

A1B3100 - 100 Amp Circuit Breaker

The A1B3100 thermal magnetic circuit breaker is a dependable choice for protecting commercial and industrial electrical systems that require a 100-amp, 3-pole breaker configuration. Built with a bolt-on mounting style, this breaker is commonly used in panelboards and distribution equipment where reliable overcurrent protection is essential for keeping systems running safely.

Its thermal magnetic trip design helps you respond to both overload conditions and short circuits, making it well-suited for everyday power distribution applications. The compact size also makes installation easier in tighter panel spaces, especially when matching existing equipment specifications is important. With a 10k A.I.C. rating at 240VAC, the A1B3100 is designed for applications that need dependable fault interruption and long-lasting service in the field.

Whether you're using it in a commercial facility, manufacturing environment, or equipment control panel, this breaker is built for consistent operation and compatibility with existing electrical systems requiring the A1B form factor.

Key Features and Benefits

• 100 Amp, 3-Pole Circuit Breaker: Designed for three-phase electrical systems requiring dependable branch circuit protection.
• Thermal Magnetic Trip Unit: Helps protect against overloads and short circuits through responsive thermal and magnetic trip functions.
• Bolt-On Mounting Design: Provides a secure connection in compatible panelboards and distribution equipment.
• Compact Footprint: Helps save valuable panel space in commercial and industrial electrical systems.
• 10k A.I.C. Rating: Rated at 240VAC for dependable fault current interruption capacity.
• Commercial and Industrial Compatibility: Designed for use in commercial and industrial electrical distribution systems.
• Long-Term Durability: Built for dependable operation in demanding environments and everyday applications.
• Replacement Compatibility: Suitable for replacement applications requiring matching form, fit, and function.
  

Technical Specifications

• Part Number: A1B3100
  
• Type: A1B
  
• Poles: 3
  
• Amperes: 100A
  
• Voltage Rating: 240VAC
  
• A.I.C. Rating: 10kA @ 240VAC
  
• Trip Type: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Dimensions:
  • Width: 2.25 in.
  • Height: 6.00 in.
  • Depth: 2.31 in.

Material Compliance and Certifications

• Electrical Distribution Applications: The A1B3100 circuit breaker is manufactured for use in electrical distribution systems that require dependable overcurrent protection and compatibility with standard installation practices.
• Industry Standards: Molded case thermal magnetic breakers of this type are commonly designed to meet applicable UL and industry standards when installed in properly rated equipment.
• Installation Requirements: Always verify compatibility with your system and local electrical code requirements before installation.
  

Where It Works Best

• Commercial buildings and office spaces
• Industrial facilities and manufacturing plants
• Electrical distribution panels and panelboards
• HVAC systems and motor control applications
• Machinery and equipment branch circuits
• Three-phase power distribution systems
• Control panels and service equipment
• Replacement applications requiring compatible specifications and bolt-on mounting