THKMA826400 - 400Amp Circuit Breaker

THKMA826400 - 400Amp Circuit Breaker

The THKMA826400 is a robust 2-pole, 400-amp molded case circuit breaker engineered for industrial applications requiring dependable overcurrent protection. Its bolt-on design ensures straightforward installation, while the interchangeable thermal magnetic trip unit provides adaptability for diverse operational needs. The internal common trip feature guarantees simultaneous disconnection of both poles during fault conditions, enhancing safety. Additionally, the inclusion of load-side lugs facilitates secure conductor connections, making this circuit breaker a versatile choice for various industrial settings.

Key Features and Benefits

• Interchangeable Thermal Magnetic Trip Unit: This feature allows for customization to specific application requirements, ensuring optimal protection and operational efficiency.
• Internal Common Trip Mechanism: Ensures both poles disconnect simultaneously during fault conditions, enhancing system safety and reliability.
• Bolt-On Design with Load-Side Lugs: Facilitates easy installation and secure connections, reducing setup time and ensuring long-term performance.
  

Technical Specifications

• Poles: 2
  
• Voltage Rating: Up to 600VAC
  
• Current Rating: 400 Amperes
  
• Interrupting Capacity (AIC):
  • 65kA at 240VAC
  • 35kA at 480VAC
  • 25kA at 600VAC
• Frame Type: THKM8
  
• Dimensions: 8.25 inches (W) x 15.50 inches (L) x 5.50 inches (D)
  
• Ship Weight: 45 lbs
  

Material Compliance and Certifications

• The THKMA826400 adheres to industry standards for molded case circuit breakers. While specific certifications for this model are not detailed here, similar products typically comply with UL 489 and CSA standards, ensuring safety and performance in electrical distribution systems.
  

Suitability

• This circuit breaker is ideal for industrial environments requiring high-capacity overcurrent protection. Its design accommodates various applications, including motor control centers, panelboards, and switchboards, making it a versatile solution for safeguarding electrical infrastructure.
  

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