THLC234175 - 175Amp Circuit Breaker

THLC234175 - 175 Amp Circuit Breaker

The THLC234175 is a 175-amp, 3-pole current limiting circuit breaker designed for use in your commercial and industrial electrical distribution systems where dependable overcurrent protection is required. Built with a non-interchangeable trip unit, this unfused circuit breaker helps you protect conductors and equipment from damage caused by overloads and short circuits while supporting safe system operation. Its current-limiting design helps reduce the amount of fault energy that passes through the electrical system during short-circuit conditions. Supplied with load-side lugs, the THLC234175 is designed for straightforward installation and is well-suited for applications requiring a form, fit, and functional replacement within compatible THLC2 breaker assemblies. Engineered for long service life, this breaker is built to withstand the demands of everyday operation in power distribution environments.

Key Features and Benefits

• 175 Amp current rating: Suitable for medium-to-heavy electrical loads.
• 3-pole configuration: Suitable for three-phase power systems.
• Current limiting design: Helps reduce fault current let-through during short-circuit events.
• Non-interchangeable trip unit: Provides fixed protective characteristics.
• Unfused construction: Simplifies system design where fuse protection is not required.
• Includes load-side lugs: For convenient field installation.
• High interrupting capacity:
  • 150kAIC at 480VAC
  • 200kAIC at 240VAC
• Designed for use in compatible THLC2 applications: Ensures proper fit and function.
• Built for durability: Engineered for long-term operation in commercial and industrial environments.

Technical Specifications

• Part Number: THLC234175
• Type: THLC2
• Circuit Breaker Style: Current Limiting
• Configuration: Unfused
• Poles: 3
• Amperes: 175A
• Trip Unit: Non-Interchangeable
• A.I.C. Rating @ 480VAC: 150kA
• A.I.C. Rating @ 240VAC: 200kA
• Included Accessories: Load-Side Lugs
• Height: 11.44 in
• Width: 5.72 in
• Depth: 4.88 in

Material Compliance and Certifications

• The THLC234175 is manufactured for installation in electrical power distribution systems requiring overcurrent protection and fault interruption capabilities consistent with its published ratings. Users should verify compatibility with their specific equipment, installation requirements, and applicable local electrical codes. Compliance and certification requirements may vary by application and jurisdiction.

Where It Works Best

• The THLC234175 is commonly used in commercial buildings, manufacturing facilities, institutional properties, processing plants, and other industrial environments that utilize three-phase electrical distribution systems. Its high interrupting capacity makes it particularly suitable for installations where available fault current levels require breakers with substantial short-circuit interruption ratings. This breaker is often applied in switchboards, panelboards, distribution equipment, and other power distribution assemblies requiring a 175-amp, 3-pole current-limiting circuit breaker.