THLC234125WL - 125Amp Circuit Breaker

THLC234125WL - 125 Amp Circuit Breaker

The THLC234125WL is a 125-amp, 3-pole current limiting circuit breaker designed for use in your commercial and industrial power distribution systems where dependable circuit protection is essential. As part of the THLC2 series, this unfused breaker features a non-interchangeable trip unit. It is engineered to help you protect electrical equipment and conductors from damage caused by overcurrent conditions. Built for long-term service, the THLC234125WL combines a compact footprint with high interrupting capacity, making it well-suited for applications where available fault current levels demand reliable protection. This circuit breaker includes both line-side and load-side lugs, simplifying installation and helping you ensure secure electrical connections. With interrupting ratings of 150kA at 480VAC and 200kA at 240VAC, the THLC234125WL is commonly utilized in switchgear, distribution equipment, and other power system applications requiring a current-limiting solution. Its form, fit, and function make it a practical replacement option for compatible existing installations where maintaining system specifications is important.

Key Features and Benefits

• 125 Amp current rating: For commercial and industrial power distribution applications
• 3-pole configuration: For three-phase electrical systems
• Current limiting design: Helps reduce the effects of high fault currents
• Non-interchangeable trip unit: Provides fixed protective characteristics
• Includes both line-side and load-side lugs: For installation convenience
• High interrupting capacity: Rated at 150kA @ 480VAC and 200kA @ 240VAC
• Compact construction: Helps maximize available panel or switchgear space
• Designed for long service life: In demanding electrical environments
• Suitable as a form, fit, and function replacement: In compatible THLC2 applications

Technical Specifications

• Part Number: THLC234125WL
• Type: THLC2
• Circuit Breaker Type: Current Limiting, Unfused
• Poles: 3
• Amperage Rating: 125A
• Trip Unit: Non-Interchangeable
• Interrupting Rating: 150kA @ 480VAC
• Interrupting Rating: 200kA @ 240VAC
• Included Accessories: Line-Side and Load-Side Lugs
• Height: 11.44 in.
• Width: 5.72 in.
• Depth: 4.88 in.

Material Compliance and Certifications

• Compliance: The THLC234125WL is manufactured for use in electrical distribution systems requiring compliance with applicable industry standards and installation practices. Final compliance, certification requirements, and application suitability should always be verified against equipment specifications, local electrical codes, and project requirements before installation.

Where It Works Best

• Switchgear assemblies
• Power distribution equipment
• Industrial facilities
• Manufacturing plants
• Commercial buildings
• Utility and infrastructure projects
• Electrical systems with high available fault current levels
• Maintenance and replacement projects requiring compatibility with existing THLC2 installations
• When dependable overcurrent protection and high interrupting capacity are required, the THLC234125WL provides a practical solution for maintaining the safety and operation of electrical distribution systems.