THLC134090WL - 90Amp Circuit Breaker

THLC134090WL - 90 Amp Circuit Breaker

The THLC134090WL is a 90-amp, 3-pole current-limiting circuit breaker designed for your applications where high interrupting capacity and dependable circuit protection are required. Built with a non-interchangeable trip unit, this unfused breaker helps you to safeguard electrical distribution systems against overloads and short circuits while remaining compatible with equipment designed for the THLC1 breaker platform. Supplied with both line-side and load-side lugs, the THLC134090WL is ready for installation in a variety of commercial and industrial power distribution environments. Its compact footprint and durable construction make it well-suited for systems where space, protection, and equipment continuity are important considerations.

Electrical systems operating in demanding environments benefit from the breaker’s impressive interrupting ratings of 150 kA at 480 VAC and 200 kA at 240 VAC, helping you protect against high fault-current conditions. Designed to deliver reliable operation over years of service, this circuit breaker offers a practical form, fit, and functional solution for maintaining existing electrical infrastructure.

Key Features and Benefits

• 90 Amp Current Rating: 90 Amp current rating for branch and feeder circuit protection.
• 3-Pole Configuration: 3-pole configuration for three-phase electrical systems.
• Current Limiting Design: Current limiting design helps reduce the effects of fault currents.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit provides fixed protection characteristics.
• Installation Convenience: Includes both line-side and load-side lugs for installation convenience.
• High Interrupting Capacity: High interrupting capacity rated at 150kA @ 480VAC and 200kA @ 240VAC.
• Unfused Design: Unfused circuit breaker design simplifies protection requirements where a breaker-only solution is specified.
• THLC1 Compatibility: Compatible with applications utilizing THLC1-type circuit breakers.
• Long Service Life: Built for long service life in commercial and industrial electrical systems.
  

Technical Specifications

• Part Number: THLC134090WL
  
• Type: THLC1
  
• Current Rating: 90 Amps
  
• Poles: 3
  
• Interrupting Rating: 150kA @ 480VAC
  
• Interrupting Rating: 200kA @ 240VAC
  
• Breaker Style: Current Limiting
  
• Trip Unit: Non-Interchangeable
  
• Fuse Type: Unfused
  
• 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 distribution systems and is designed to meet applicable industry standards associated with its original product classification and ratings.
• Installation Requirements: Users should verify all installation requirements, code compliance obligations, and project-specific certification requirements before installation.
  

Where It Works Best

• The THLC134090WL is commonly used in commercial facilities, industrial plants, manufacturing operations, power distribution equipment, switchgear assemblies, and three-phase electrical systems requiring a 90A current-limiting circuit breaker with high interrupting capacity. It is particularly suitable for maintaining existing installations where a THLC1-type breaker is specified and where matching electrical ratings and physical configuration are essential for proper system operation.