THQB2130ST1 - 30Amp Circuit Breaker

THQB2130ST1 - 30 Amp Circuit Breaker

The THQB2130ST1 is a 30-amp, 2-pole molded-case circuit breaker designed to provide dependable branch-circuit protection in your commercial, industrial, and institutional electrical distribution systems. As part of the trusted THQB Q-Line family, this bolt-on circuit breaker combines reliable overcurrent protection with the added functionality of a 120VAC shunt trip, enabling remote tripping when integrated into emergency shutdown, safety, or automated control systems. Built for use on 120/240VAC electrical systems and featuring a 10kA interrupting capacity, the THQB2130ST1 helps you protect conductors and connected equipment from overloads and short circuits. At the same time, meeting enhanced safety and control requirements. Its bolt-on mounting design helps you to ensure a secure connection within compatible panelboards, reducing the potential for movement or vibration in demanding environments. The compact footprint allows for efficient installation while maintaining the performance expected in modern power distribution applications. Whether supporting life-safety systems, emergency power-off circuits, or routine branch circuit protection, the THQB2130ST1 delivers consistent operation and long-term reliability.

Key Features and Benefits

• 30 Amp current rating for branch circuit protection
• 2-pole configuration for 120/240VAC applications
• Integrated 120VAC shunt trip enables remote circuit breaker operation
• Bolt-on mounting design provides a secure and stable installation
• 10kA interrupting capacity at 120/240VAC
• Part of the proven Q-Line breaker family
• HACR rated for use in heating, air conditioning, and refrigeration applications
• Molded case construction designed for dependable electrical protection
• Helps protect electrical equipment from overloads and short-circuit conditions
• Suitable for commercial, industrial, and institutional electrical systems
  

Technical Specifications

• Part Number: THQB2130ST1
  
• Type: THQB
  
• Product Family: Q-Line
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Mounting Style: Bolt-On
  
• Poles: 2
  
• Amperage Rating: 30 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity: 10kA @ 120/240VAC
  
• Shunt Trip Voltage: 120VAC
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 3.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rated: HACR rated for heating, air conditioning, and refrigeration applications.
• Industry Standards: Manufactured to meet applicable industry standards for molded case circuit breakers.
• Equipment Compatibility: Designed for use in compatible electrical distribution equipment and panelboard systems.
• Safety Requirements: Supports electrical safety and protection requirements when installed according to applicable codes and manufacturer guidelines.
  

Where It Works Best

• The THQB2130ST1 is well-suited for commercial buildings, industrial facilities, schools, healthcare environments, retail locations, and other applications requiring both overcurrent protection and remote trip functionality. Its integrated 120VAC shunt trip makes it an excellent choice for emergency power disconnect systems, fire alarm interface applications, safety shutdown circuits, HVAC installations, and automated control systems that require remote breaker operation. The combination of bolt-on mounting, Q-Line compatibility, and dependable circuit protection makes this breaker a practical solution for a wide range of electrical distribution needs.