THLC134050WL - 50Amp Circuit Breaker

THLC134050WL - 50 Amp Circuit Breaker

The THLC134050WL is a 50-amp, 3-pole current-limiting circuit breaker designed for applications requiring dependable overcurrent protection in your commercial and industrial electrical distribution systems. Built with a non-interchangeable trip unit, this unfused circuit breaker helps you protect equipment and conductors from damage caused by overloads and short circuits while maintaining compatibility with designated THLC1 installations. The breaker includes both line-side and load-side lugs, simplifying installation and helping you to ensure proper electrical connections. With interrupting ratings of 150kA at 480VAC and 200kA at 240VAC, the THLC134050WL is suited for systems where high fault-current protection is required. Designed for long service life, this breaker provides the form, fit, and function needed for maintaining and servicing existing electrical equipment.

Key Features and Benefits

• 50 Amp Current Rating: 50 Amp current rating for branch and feeder circuit protection.
• 3-Pole Configuration: 3-pole configuration suitable for three-phase electrical systems.
• Current Limiting Design: Current limiting design helps reduce the effects of short-circuit currents.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit helps maintain specified protection characteristics.
• Unfused Construction: Unfused construction for use in compatible circuit breaker applications.
• Installation Convenience: Includes line-side and load-side lugs for installation convenience.
• High Interrupting Capacity: High interrupting capacity rated at 150kA @ 480VAC and 200kA @ 240VAC.
• Long-Term Operation: Designed for long-term operation in commercial and industrial environments.
• Compatibility: Provides form, fit, and functional compatibility for existing THLC1 installations.
  

Technical Specifications

• Part Number: THLC134050WL
  
• Type: THLC1
  
• Amperage Rating: 50 Amps
  
• Number of Poles: 3
  
• Circuit Breaker Style: Current Limiting
  
• Configuration: Unfused
  
• Trip Unit: Non-Interchangeable
  
• A.I.C. Rating: 150kA @ 480VAC; 200kA @ 240VAC
  
• Included Accessories: Line-Side and Load-Side Lugs
  
• Dimensions:
  • Height: 8.75 in.
  • Width: 4.13 in.
  • Depth: 4.19 in.

Material Compliance and Certifications

• Industry Standards: This circuit breaker is manufactured for use in electrical power distribution systems and is designed to meet applicable industry standards associated with its original product classification and ratings.
• Verification Requirements: Verification of specific certifications, approvals, and compliance requirements should be performed against project specifications and installation requirements before use.
  

Where It Works Best

• The THLC134050WL is well-suited for commercial facilities, industrial plants, manufacturing operations, power distribution equipment, and other applications requiring a 50A, 3-pole current limiting circuit breaker with high interrupting capacity. It is commonly used in switchgear, distribution systems, and electrical infrastructure where maintaining compatibility with existing THLC1 equipment is important. Its current limiting design and high fault-current ratings make it a practical choice for installations where protection of electrical equipment and continuity of service are key considerations.