THKMA836450WL - 450Amp Circuit Breaker

THKMA836450WL - 450Amp Circuit Breaker

The THKMA836450WL is a 450-amp, three-pole industrial molded case circuit breaker from the THKM8 series, designed for your commercial and industrial electrical distribution systems where matching the original breaker specifications is essential. Measuring 8.25 inches wide, 15.50 inches long, and 5.50 inches deep, its physical dimensions are important when identifying a replacement for an existing electrical assembly. Built to last in its intended industrial environment, this molded-case circuit breaker combines robust construction with proven thermal-magnetic protection technology.

Key Features and Benefits

• 450-Amp Current Rating
• Three-Pole Configuration
• Interchangeable Thermal-Magnetic Trip Unit
• Internal Common-Trip Mechanism
• Multiple AC Interrupting Ratings
• Cable-In/Cable-Out (Lug-Lug) Connections
• THKM8 Series Design
• Replacement-Focused Configuration

Technical Specifications

• Catalog Number: THKMA836450WL
  
• Product Type: Industrial Molded Case Circuit Breaker
  
• Series / Type: THKM8
  
• Rated Current: 450 Amperes (450A)
  
• Number of Poles: 3
  
• Trip Unit Type: Interchangeable Thermal-Magnetic
  
• Trip Mechanism: Internal Common Trip
  
• Overload Protection: Thermal
  
• Short-Circuit Protection: Magnetic
  
• Connection Configuration: Cable-In/Cable-Out (Lug-Lug)
  
• Line-Side Lugs: Included
  
• Load-Side Lugs: Included
  
• Interrupting Rating at 600VAC: 25kA (25,000 Amperes)
  
• Interrupting Rating at 480VAC: 35kA (35,000 Amperes)
  
• Interrupting Rating at 240VAC: 65kA (65,000 Amperes)
  
• HACR Rating: Yes
  
• Width: 8.25 Inches
  
• Height / Length: 15.50 Inches
  
• Depth: 5.50 Inches
  
• Overall Dimensions: 8.25" W × 15.50" L × 5.50" D
  
• Approximate Shipping Weight: 55.00 lbs.
  

Material Compliance and Certifications

The THKMA836450WL incorporates several identified electrical ratings and protective features relevant to its intended use.

• HACR Rating
• Additional Certifications: The supplied specifications do not confirm specific UL listing information, CSA certification, or material compliance declarations.

Where It Works Best

• Existing Industrial Electrical Distribution Systems
• Commercial Electrical Installations
• Legacy Electrical Equipment Maintenance
• Cable-In/Cable-Out Installations
• Three-Phase Electrical Systems
• Heating, Air Conditioning, and Refrigeration Equipment
• Industrial Facility Maintenance
• Electrical Equipment Repairs and Restoration
• Matching Circuit Breaker Replacements