QJA32225 - 225Amp Circuit Breaker

QJA32225 - 225Amp Circuit Breaker

The QJA32225 is a 3-pole, 225-amp thermal magnetic molded case circuit breaker engineered for dependable overcurrent and short-circuit protection in your commercial and industrial electrical distribution systems. Designed as part of the Q-Frame family, this I-Line plug-on circuit breaker offers straightforward installation into compatible I-Line panelboards and switchboards, helping you reduce installation time while providing a secure electrical connection. With a 100kA interrupting rating at 240VAC, the QJA32225 is well-suited for applications where high available fault current demands dependable circuit protection. Its thermal magnetic trip mechanism delivers reliable response to both prolonged overloads and instantaneous short-circuit events, helping you safeguard electrical equipment, feeders, and connected loads while supporting long-term system reliability. Developed for demanding environments, this molded case circuit breaker is an excellent choice for electrical contractors, maintenance professionals, facility managers, and OEM applications requiring consistent protection and dependable performance.

Key Features and Benefits

• 225 Amp continuous current rating for higher-capacity power distribution applications.
• 3-pole configuration provides protection for three-phase electrical systems.
• 100 kA interrupting capacity at 240 VAC supports installations with high available fault current.
• The thermal-magnetic trip unit provides protection against both overloads and short-circuit conditions.
• Q-Frame construction designed for reliable operation in demanding commercial and industrial environments.
• I-Line plug-on design allows for efficient installation into compatible I-Line distribution equipment.
• Molded case construction helps protect internal components while promoting long service life.
• Suitable for protecting feeders, branch circuits, distribution equipment, and connected electrical loads.

Technical Specifications

• Part Number: QJA32225
• Type: QJA
• Frame: Q-Frame
• Circuit Breaker Type: Molded Case Circuit Breaker
• Trip Unit: Thermal Magnetic
• Mounting Style: I-Line, Plug-On
• Poles: 3
• Current Rating: 225 Amps
• Interrupting Rating: 100kA @ 240VAC
• Dimensions:
  • Height: 7.88 in.
  • Width: 4.50 in.
  • Depth: 4.31 in.

Material Compliance and Certifications

• The QJA32225 is manufactured to meet applicable industry standards for molded case circuit breakers. Compatibility, certifications, and regulatory compliance may vary depending on the production date and application. Always verify equipment compatibility and consult applicable electrical codes, manufacturer documentation, and installation requirements before installation.

Where It Works Best

• The QJA32225 is well suited for a wide range of commercial and industrial power distribution applications, including commercial buildings and office facilities, manufacturing plants and industrial facilities, distribution panels and switchboards, motor and equipment protection, electrical infrastructure upgrades and maintenance projects, and three-phase power distribution systems requiring a 225A, 3-pole molded case circuit breaker with 100kA @ 240VAC interrupting capacity.