TQDL21150 - 150Amp Circuit Breaker

TQDL21150 - 150 Amp Circuit Breaker

The TQDL21150 circuit breaker is a 2-pole, 150-amp thermal-magnetic breaker designed for you to use in commercial and industrial electrical systems operating at 120/240 VAC. Featuring an internal common trip mechanism, this plug-on breaker helps protect connected equipment from overloads and short circuits while supporting stable power distribution in compatible panelboards. Its HACR rating makes it a suitable choice for heating, air conditioning, and refrigeration equipment applications. The TQDL21150 is built for long service life in demanding environments and fits installations requiring four one-inch spaces. Whether used in maintenance projects, panel replacements, or existing distribution systems, this breaker provides the form, fit, and function needed for dependable operation.

Key Features and Benefits

• 150 amp, 2-pole circuit breaker
• Thermal magnetic protection for overload and short-circuit conditions
• Internal common trip design
• Plug-on mounting configuration
• HACR rated for HVAC and refrigeration equipment applications
• Compatible with systems requiring four one-inch spaces
• Built for long-term use in commercial and industrial environments
• Designed for dependable circuit protection in existing electrical systems

Technical Specifications

• Part Number: TQDL21150
  
• Type: TQDL
  
• Poles: 2
  
• Amperes: 150A
  
• Voltage Rating: 120/240VAC
  
• A.I.C. Rating: 10kA @ 120/240VAC
  
• Trip Type: Thermal Magnetic with Internal Common Trip
  
• Mounting Style: Plug-On
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 6.13 in.
  • Width: 2.0 in.
  • Depth: 2.31 in.
• Required Panel Space: Four one-inch spaces
  

Material Compliance and Certifications

• HACR Rated: HACR rated for approved heating and cooling applications
• Compatibility: Manufactured for use in compatible electrical distribution equipment
• Industry Standards: Designed to meet applicable industry standards for molded case circuit breakers
  

Where It Works Best

The TQDL21150 is commonly used in commercial facilities, industrial buildings, HVAC equipment installations, and electrical distribution panels that require a 150-amp, 2-pole breaker. It works well in applications where reliable branch circuit protection and compatibility with existing panel systems are important.