QJA32100 - 100Amp Circuit Breaker

QJA32100 - 100Amp Circuit Breaker

When dependable circuit protection is critical, the QJA32100 molded case circuit breaker delivers the performance professionals count on. Designed as a 100-amp, 3-pole Q-Frame circuit breaker, it provides dependable protection against overloads and short circuits while helping to keep commercial and industrial electrical systems operating safely. Its thermal magnetic trip mechanism reacts to both sustained overload conditions and sudden fault currents, helping protect valuable equipment and minimize unnecessary downtime.

Built with an I-Line plug-on design, the QJA32100 simplifies installation and replacement in compatible electrical distribution systems, making it a practical solution for maintenance teams, contractors, and facility managers alike. The breaker's impressive 100kA interrupting rating at 240VAC makes it especially well-suited for applications where high available fault current demands a higher level of protection.

Whether you're upgrading aging electrical equipment, replacing a failed breaker, or maintaining an existing power distribution system, the QJA32100 thermal-magnetic molded-case circuit breaker offers the combination of reliability, performance, and compatibility needed to keep your electrical infrastructure running with confidence.

Key Features and Benefits

• 100 Amp Current Rating: 100 Amp current rating for dependable overcurrent protection.
• 3-Pole Configuration: 3-pole configuration designed for three-phase electrical systems.
• 100kA Interrupting Capacity: 100kA interrupting capacity at 240VAC for applications with high available fault current.
• Thermal Magnetic Trip Unit: The thermal magnetic trip unit responds to overloads and short circuits for dependable circuit protection.
• Q-Frame Construction: Q-Frame construction is engineered for compatible commercial and industrial electrical systems.
• I-Line Plug-On Mounting: I-Line plug-on mounting helps simplify installation and replacement.
• Molded Case Design: Molded case design built for long-term performance in demanding environments.
• Replacement and Maintenance: Ideal for both replacement projects and routine electrical system maintenance.
  

Technical Specifications

• Part Number: QJA32100
  
• Type: QJA
  
• Frame: Q-Frame
  
• Circuit Breaker Type: Thermal Magnetic, Molded Case Circuit Breaker
  
• Mounting Style: I-Line, Plug-On
  
• Poles: 3
  
• Amperage: 100 Amps
  
• Interrupting Rating: 100kA @ 240VAC
  
• Dimensions:
  • Height: 7.88 in.
  • Width: 4.50 in.
  • Depth: 4.31 in.

Material Compliance and Certifications

• Commercial and Industrial Applications: The QJA32100 molded case circuit breaker is manufactured for commercial and industrial power distribution applications and is intended for installation in compatible electrical equipment.
• Installation Requirements: Always verify compatibility with your existing system and ensure installation complies with applicable electrical codes, standards, and manufacturer requirements.
  

Where It Works Best

• The QJA32100 is an excellent choice for facilities that require dependable protection for three-phase electrical systems, including commercial buildings, industrial manufacturing facilities, office complexes, distribution panels and switchboards, motor control applications, equipment protection circuits, electrical system upgrades and maintenance projects, and facilities with high available fault current requiring a 100kA @ 240VAC interrupting rating.