QDM22225TN - 225 Amp Circuit Breaker

QDM22225TN - 225 Amp Circuit Breaker

The QDM22225TN thermal magnetic circuit breaker is a dependable overcurrent protection solution designed for electrical distribution systems that require reliable performance in demanding commercial and industrial environments. Featuring a 225 amp rating, 2-pole configuration, and an interrupting capacity of 25kA at 240VAC, this breaker helps protect electrical equipment and branch circuits from damage caused by overloads and short circuits. Its thermal magnetic trip mechanism with a non-interchangeable trip unit delivers consistent, dependable protection without requiring separate trip unit selection. Built with lug terminals on the line side and 1/4-20" studs on the load side, the QDM22225TN offers secure electrical connections for applications where dependable power distribution is essential. Whether you're maintaining existing equipment, replacing a worn breaker, or supporting facility upgrades, this QDM circuit breaker provides the performance and reliability professionals expect.

Key Features and Benefits

• 225 Amp Continuous Current Rating: 225 Amp continuous current rating for high-capacity electrical distribution applications.
• 2-Pole Design: 2-pole design provides protection for two energized conductors in 240VAC systems.
• 25kA Interrupting Capacity: 25kA interrupting capacity at 240VAC helps safely interrupt high fault currents.
• Thermal Magnetic Protection: Thermal magnetic protection responds to both sustained overloads and instantaneous short-circuit conditions.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit ensures a fixed trip setting for consistent circuit protection.
• Lug Line Side Terminals: Lug terminals on the line side simplify secure incoming power connections.
• 1/4-20" Stud Load Side Terminals: 1/4-20" stud terminals on the load side provide reliable outgoing conductor termination.
• Long Service Life: Designed for long service life in commercial, industrial, and electrical distribution applications.
  

Technical Specifications

• Part Number: QDM22225TN
  
• Type: QDM
  
• Circuit Breaker Style: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 2
  
• Amperage: 225 Amps
  
• Interrupting Rating: 25kA @ 240VAC
  
• Voltage Rating: 240VAC
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 3.0 in.
  • Depth: 3.13 in.
• Line Terminals: Lug Terminals
  
• Load Terminals: 1/4-20" Studs
  

Material Compliance and Certifications

• Industry Performance Standards: The QDM22225TN is manufactured for use in electrical power distribution applications and is designed to meet applicable industry performance standards for molded case circuit breakers.
• Compatibility and Installation Requirements: Compatibility, code compliance, certifications, and installation requirements should always be verified by reviewing the equipment documentation and local electrical codes before installation.
  

Where It Works Best

• The QDM22225TN is well suited for a variety of commercial and industrial electrical systems where dependable circuit protection is required. Common applications include electrical distribution panels, industrial machinery, manufacturing facilities, commercial buildings, control equipment, and infrastructure projects operating on 240VAC systems. Its high 225 amp capacity, 25kA interrupting rating, and dependable thermal magnetic protection make it an excellent choice for safeguarding valuable electrical equipment while helping maintain safe, efficient system operation.