THQB1130 - 30Amp Circuit Breaker

THQB1130 - 30 Amp Circuit Breaker

The THQB1130 circuit breaker is a 30-amp, 1-pole molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection in your commercial, industrial, and residential electrical distribution systems. As part of the widely used THQB Q-Line series, this bolt-on circuit breaker offers a secure panelboard connection that helps you to maintain electrical system reliability while reducing the risk of accidental disconnection caused by vibration or demanding operating conditions. With a 10kA interrupting capacity at 120VAC and HACR rating, the THQB1130 is well-suited for protecting branch circuits serving HVAC equipment, lighting systems, receptacle circuits, and other critical electrical loads. Its compact footprint allows for efficient installation in compatible panelboards where space is at a premium, making it a practical choice for both new construction and maintenance applications.

Key Features and Benefits

• 30 Amp Rating: Provides reliable circuit protection for a variety of branch circuit applications.
• 1-Pole Configuration: Designed for single-phase 120VAC circuit protection.
• THQB Q-Line Design: Compatible with designated Q-Line panelboards and distribution equipment.
• Bolt-On Mounting: Creates a secure mechanical and electrical connection for improved stability.
• 10kA Interrupting Capacity: Helps protect electrical systems against damaging fault currents.
• HACR Rated: Suitable for use in heating, air conditioning, and refrigeration applications.
• Molded Case Construction: Built for long-term performance and dependable operation.
• Compact Form Factor: Fits efficiently within panelboard assemblies while maximizing available space.

Technical Specifications

• Part Number: THQB1130
  
• Type: THQB
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Series: Q-Line
  
• Mounting Type: Bolt-On
  
• Poles: 1
  
• Amperage Rating: 30A
  
• Voltage Rating: 120VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 120VAC
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 1.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• Industry Standards: The THQB1130 circuit breaker is manufactured to meet applicable industry standards for molded case circuit breakers and electrical distribution equipment.
• HACR Rating: Its HACR rating supports installation in approved heating, ventilation, air conditioning, and refrigeration applications.
• Installation Requirements: Always verify compatibility and local code requirements before installation.

Where It Works Best

• The THQB1130 is an excellent choice for electrical systems requiring dependable 30-amp branch circuit protection. Common applications include commercial buildings, industrial facilities, office environments, retail spaces, HVAC equipment circuits, lighting panels, and general-purpose power distribution systems. Its bolt-on configuration makes it especially well-suited for installations where a secure, fixed connection is preferred for enhanced system integrity and long-term performance.