QDM32150TN - 150 Amp Circuit Breaker

QDM32150TN - 150 Amp Circuit Breaker

The QDM32150TN is a 3-pole, 150-amp thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial and industrial electrical distribution systems. Built with a non-interchangeable trip unit, this breaker delivers consistent trip performance while helping you protect connected equipment from electrical faults that can lead to costly downtime. Rated for 25kA interrupting capacity at 240VAC, it is well-suited for applications where reliable fault interruption and circuit protection are essential. The breaker features lug terminals on the line side and 1/4-20" studs on the load side, making it compatible with specific installation requirements while providing secure electrical connections. Whether you use it in panelboards, switchboards, or other power distribution equipment designed for the QDM series, the QDM32150TN offers the dependable performance professionals expect for demanding electrical systems.

Key Features and Benefits

• 150 Amp Current Rating: 150 Amp current rating for medium- to high-capacity power distribution applications.
• Three-Pole Configuration: Three-pole configuration provides protection for three-phase electrical systems.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism responds to both prolonged overloads and instantaneous short-circuit conditions.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit delivers fixed, factory-configured protection settings for consistent operation.
• 25kA Interrupting Capacity: 25kA interrupting capacity at 240VAC helps safely interrupt high fault currents.
• Line Connections: Lug terminals on the line side provide secure incoming conductor connections.
• Load Connections: 1/4-20" stud terminals on the load side accommodate compatible downstream connections.
• Designed for Dependable Performance: Designed for dependable performance in commercial and industrial electrical installations.
  

Technical Specifications

• Part Number: QDM32150TN
  
• Type: QDM
  
• Circuit Breaker Style: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 3
  
• Current Rating: 150 Amps
  
• Interrupting Capacity: 25kA @ 240VAC
  
• Voltage Rating: 240VAC
  
• Line Connections: Lug Terminals
  
• Load Connections: 1/4-20" Studs
  
• Dimensions:
  • Height: 6.5 in.
  • Width: 4.5 in.
  • Depth: 3.13 in.

Material Compliance and Certifications

• Installation Requirements: The QDM32150TN is manufactured for use in electrical power distribution systems and is designed to meet the performance requirements associated with its product class. Installation should always be performed by qualified electrical personnel in accordance with applicable electrical codes, equipment manufacturer specifications, and local regulations.
• Documentation: Refer to the manufacturer's documentation for complete certification, compliance, and application details where required.
  

Where It Works Best

• The QDM32150TN is an excellent choice for commercial buildings, industrial facilities, manufacturing operations, institutional properties, and other three-phase electrical systems that require dependable 150-amp overcurrent protection. It is commonly used in panelboards, switchboards, and power distribution equipment where a 3-pole thermal magnetic breaker with a 25kA interrupting rating at 240VAC and the specified line-side lug and load-side stud terminal configuration is required. Its combination of reliable protection and application-specific terminal design makes it well suited for both equipment replacement projects and electrical system maintenance.