THHQL21125 - 125Amp Circuit Breaker

THHQL21125 - 125 Amp Circuit Breaker

When you need dependable protection for higher-capacity electrical circuits, the THHQL21125 delivers the performance required for demanding applications. This 125-amp, 2-pole molded-case circuit breaker is part of the proven Q-Line family. It is designed to help protect electrical systems from overloads and short circuits before they cause equipment damage or costly downtime.

With a 22kA interrupting rating at 120/240VAC, the THHQL21125 is well-suited for installations where available fault current levels exceed the capabilities of standard breakers. Its plug-on design allows straightforward installation in compatible equipment, while the molded-case construction provides the durability needed for everyday operation. Whether it's protecting HVAC equipment, distribution circuits, or larger electrical loads, this breaker offers the level of protection professionals expect from a commercial-grade solution.

Key Features and Benefits

• 125 amp rating: for higher-capacity electrical circuits
• 2-pole design: for 120/240VAC applications
• 22kA interrupting capacity: for enhanced fault protection
• Part of the trusted Q-Line breaker family
• Plug-on mounting design: for efficient installation
• HACR rated: for heating, air conditioning, and refrigeration equipment
• Molded case construction: is built for long service life
• Helps protect electrical equipment: from overloads and short circuits

Technical Specifications

• Part Number: THHQL21125
  
• Type: THHQL
  
• Series: Q-Line
  
• Poles: 2
  
• Amperage: 125 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating: 22kA @ 120/240VAC
  
• Mounting Style: Plug-On
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.31 in.
  • Width: 2.00 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rated: The THHQL21125 is HACR rated, making it suitable for applications involving heating, ventilation, air conditioning, and refrigeration equipment.
• Installation Guidance: As with any electrical component, installation should follow applicable electrical codes and manufacturer guidelines.
  

Where It Works Best

• The THHQL21125 is commonly used in commercial buildings, industrial facilities, multi-unit properties, and larger residential electrical systems. It's a strong choice for protecting HVAC systems, panelboard feeders, distribution equipment, and other high-demand circuits where reliable overcurrent protection is essential.