THQB21WY20 - 20Amp Circuit Breaker

THQB21WY20 - 20 Amp Circuit Breaker

The THQB21WY20 circuit breaker is a dependable solution for protecting your electrical systems from overloads and short circuits in residential, commercial, and light industrial applications. Designed as a 2-pole, 20-amp breaker, this unit provides reliable protection for 120/240VAC circuits while helping you to maintain the safety and performance of connected equipment. Its compact footprint enables efficient installation in compatible electrical distribution systems, making it a practical choice for electricians, maintenance professionals, contractors, and facility managers who require reliable circuit protection. Built to interrupt fault currents up to 10kA at 120/240VAC, the THQB21WY20 helps you safeguard wiring, panels, and connected loads while supporting long-term electrical system reliability.

Key Features and Benefits

• 20 Amp Current Rating: Provides dependable overcurrent protection for branch circuits and connected equipment.
• 2-Pole Configuration: Protects two energized conductors simultaneously, making it suitable for 120/240VAC applications.
• 10kA Interrupting Capacity: Designed to safely interrupt fault currents up to 10,000 amperes at rated voltage.
• Type THQB Design: Engineered for compatibility with designated panelboard and load center applications.
• Compact Construction: Helps maximize available panel space while supporting efficient installation.
• Enhanced Electrical Safety: Assists in protecting electrical systems from damage caused by overloads and short-circuit conditions.
• Reliable Performance: Built for consistent operation in demanding electrical environments.
  

Technical Specifications

• Part Number: THQB21WY20
  
• Type: THQB
  
• Poles: 2
  
• Amperes: 20A
  
• Voltage Rating: 120/240VAC
  
• A.I.C. Rating: 10kA
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• Industry Requirements: The THQB21WY20 circuit breaker is manufactured for use in electrical distribution systems and is designed to meet applicable industry requirements for circuit protection and performance.
• Verification: Verification of specific certifications, approvals, and material compliance should be confirmed against product markings, manufacturer documentation, and local code requirements before installation.
  

Where It Works Best

• Residential load centers and distribution panels
• Commercial electrical systems
• Branch circuit protection for lighting and receptacle circuits
• Small equipment and appliance circuits operating at 120/240VAC
• Maintenance, repair, and upgrade projects requiring dependable overcurrent protection
• Facilities seeking reliable protection for electrical infrastructure and connected loads
• Whether installed in a new electrical system or used as a replacement component, the THQB21WY20 delivers the circuit protection needed to help keep electrical equipment operating safely and efficiently.