QDM22125TN - 125 Amp Circuit Breaker

QDM22125TN - 125 Amp Circuit Breaker

The QDM22125TN is a 2-pole, 125-amp thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial and industrial electrical distribution systems. Featuring a 25kA interrupting rating at 240VAC, this breaker is well suited for applications where reliable fault protection is essential. Its non-interchangeable trip unit helps you maintain the factory-calibrated trip characteristics, supporting consistent performance throughout the life of the breaker. The line side is equipped with lug terminals for secure incoming connections, while the 1/4"-20 studs on the load side provide a solid connection point for downstream conductors or equipment. Built into the QDM frame, the QDM22125TN combines dependable thermal magnetic protection with a compact footprint, making it an excellent choice for your panelboards, switchboards, industrial machinery, and power distribution equipment where safety and long-term reliability matter.

Key Features and Benefits

• 125 Amp Continuous Current Rating: 125 Amp continuous current rating for medium-capacity electrical distribution applications.
• 2-Pole Configuration: 2-pole configuration provides simultaneous protection for two energized conductors.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism delivers protection against both overloads and short circuits.
• 25kA Interrupting Capacity: 25kA interrupting capacity at 240VAC helps safely clear high fault currents.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit maintains factory-set trip characteristics for dependable operation.
• Line-Side Lug Terminals: Line-side lug terminals simplify incoming power connections.
• 1/4"-20 Stud Load-Side Terminals: 1/4"-20 stud load-side terminals provide secure outgoing conductor connections.
• Compact QDM Frame Design: Compact QDM frame design fits a variety of commercial and industrial electrical systems.
• Dependable Performance: Engineered for dependable performance in demanding electrical environments.
  

Technical Specifications

• Part Number: QDM22125TN
  
• Type: QDM
  
• Circuit Breaker Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 2
  
• Amperage: 125A
  
• Interrupting Rating: 25kA @ 240VAC
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 3.0 in.
  • Depth: 3.13 in.
• Line Connection: Lug Terminals
  
• Load Connection: 1/4"-20 Studs
  

Material Compliance and Certifications

• Industry Standards: The QDM22125TN is manufactured for use in electrical power distribution applications and is designed to meet applicable industry standards for circuit protection within its product family.
• Installation Requirements: Always verify compatibility with your specific electrical system, local electrical codes, and project requirements before installation. Installation should be performed by a qualified electrical professional.
  

Where It Works Best

• The QDM22125TN is an excellent choice for protecting electrical circuits in commercial buildings and office facilities, industrial control panels and manufacturing equipment, distribution panels and switchboards, mechanical and HVAC systems, motor and equipment feeders, and general-purpose power distribution applications requiring a 2-pole, 125A thermal magnetic circuit breaker with a 25kA interrupting rating at 240VAC. Designed to deliver dependable circuit protection and consistent operation, the QDM22125TN helps safeguard valuable electrical equipment while supporting the safe operation of commercial and industrial power systems.