QDM32125TN - 125 Amp Circuit Breaker

QDM32125TN - 125 Amp Circuit Breaker

The QDM32125TN thermal magnetic circuit breaker is designed to provide dependable overcurrent and short-circuit protection for your commercial and industrial electrical distribution systems. Featuring a 125 amp rating, 3-pole configuration, and an interrupting capacity of 25kA at 240VAC, this breaker is well suited for applications that demand consistent circuit protection under demanding operating conditions. Its non-interchangeable trip unit helps you maintain the factory-configured trip characteristics, while the thermal magnetic trip mechanism delivers reliable protection against both prolonged overloads and instantaneous fault currents. For installation flexibility, the breaker is equipped with lug terminals on the line side and 1/4"-20 stud terminals on the load side, making it compatible with a variety of wiring configurations. Built for dependable performance and long service life, the QDM32125TN is an excellent choice for maintaining the safety and reliability of electrical power systems.

Key Features and Benefits

• 125 Amp Current Rating for protecting medium-capacity electrical circuits.
• 3-Pole Design provides protection for three-phase power distribution systems.
• 25 kA interrupting capacity at 240 VAC helps safely interrupt high fault current conditions.
• The Thermal Magnetic Trip Mechanism provides inverse-time overload protection and a fast response to short circuits.
• Non-Interchangeable Trip Unit maintains fixed, factory-calibrated trip settings for dependable operation.
• Line-Side Lug Terminals simplify incoming conductor connections.
• Load-Side 1/4"-20 Stud Terminals accommodate secure outgoing cable connections.
• Designed for reliable performance in commercial, industrial, and OEM electrical applications.
  

Technical Specifications

• Part Number: QDM32125TN
  
• Type: QDM
  
• Circuit Breaker Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 3
  
• Amperage: 125 Amps
  
• Interrupting Rating: 25kA @ 240VAC
  
• Line Connection: Lug Terminals
  
• Load Connection: 1/4"-20 Studs
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 4.5 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• The QDM32125TN is manufactured to meet applicable industry standards for molded case circuit breakers. Compatibility with specific certifications, approvals, or environmental compliance requirements should be verified based on the installation and project specifications.
  

Where It Works Best

• The QDM32125TN is an excellent solution for a wide range of electrical distribution applications, including commercial buildings and office facilities, industrial control panels and manufacturing equipment, motor control and power distribution systems, electrical switchboards and panelboards, OEM machinery and process equipment, and facility maintenance, system upgrades, and replacement projects requiring dependable three-phase circuit protection.