QDL22125 - 125 Amp Circuit Breaker

QDL22125 - 125 Amp Circuit Breaker

The QDL22125 thermal-magnetic circuit breaker is a 2-pole, 125-amp molded-case circuit breaker designed to provide dependable overcurrent and short-circuit protection for commercial and industrial electrical distribution systems. Built with a non-interchangeable trip unit, this breaker delivers consistent protection by maintaining a fixed trip setting throughout its service life. With a 25 kA interrupting rating at 240 VAC, it is well-suited for applications requiring reliable fault interruption in demanding environments. The breaker features lug terminals on both the line and load sides, helping simplify installation and accommodate secure conductor connections. Whether you're maintaining existing electrical equipment, replacing a worn breaker, or supporting a facility upgrade, the QDL22125 offers the performance and reliability professionals expect for critical power distribution applications.

Key Features and Benefits

• 125 Amp Current Rating for dependable overcurrent protection in higher-capacity electrical systems.
• 2-Pole Configuration designed for 240VAC applications requiring protection across two conductors.
• 25 kA interrupting capacity at 240 VAC helps safely interrupt high fault currents and protect connected equipment.
• Thermal Magnetic Trip Technology protects against both overloads and short circuits for reliable system performance.
• Non-Interchangeable Trip Unit maintains a fixed trip rating to ensure consistent circuit protection.
• Lug Terminals on Both Line and Load Sides allow for secure wiring connections and easier installation.
• Designed for use in commercial, industrial, and institutional electrical distribution systems where dependable circuit protection is essential.
  

Technical Specifications

• Part Number: QDL22125
  
• Type: QDL
  
• Circuit Breaker Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 2
  
• Amperes: 125A
  
• Interrupting Rating: 25kA @ 240VAC
  
• Line Connections: Lug Terminals
  
• Load Connections: Lug Terminals
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 3.0 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• The QDL22125 is manufactured for use in electrical power distribution applications and is designed to meet applicable industry standards for molded case circuit breakers. Always verify compatibility with your electrical system and confirm compliance with all applicable local codes, standards, and installation requirements before use.
  

Where It Works Best

• The QDL22125 is an excellent choice for a wide range of commercial and industrial electrical systems that require dependable overcurrent protection. Typical applications include commercial buildings and office facilities, industrial manufacturing plants, electrical distribution panels and switchboards, equipment protection for HVAC systems and machinery, institutional and municipal facilities, and maintenance, repair, and electrical system upgrades requiring a 2-pole, 125-amp thermal magnetic circuit breaker. Its combination of a 125A rating, 25kA interrupting capacity, thermal magnetic protection, and lug terminals on both the line and load sides makes the QDL22125 a practical solution for maintaining safe, reliable operation in demanding electrical distribution environments.