THKMA836600 - 600Amp Circuit Breaker

THKMA836600 - 600 Amp Circuit Breaker

The THKMA836600 is a 600-amp, 3 Pole THKM8 molded-case circuit breaker designed for use in your commercial and industrial power distribution systems that require dependable overcurrent and short-circuit protection. Built with an interchangeable thermal-magnetic trip unit and an internal common trip mechanism, this breaker helps you to protect electrical equipment and conductors by responding to both sustained overload conditions and instantaneous fault currents. Its bolt-on mounting configuration provides a secure installation, while the included load-side lugs simplify field connections. Designed for long service life in demanding electrical environments, the THKMA836600 offers the form, fit, and function needed to maintain and service existing electrical systems.

Key Features and Benefits

• 600 Amp current rating for high-capacity electrical distribution applications
• 3-pole design for three-phase power systems
• THKM8 series molded case circuit breaker
• Interchangeable thermal magnetic trip unit for overload and short-circuit protection
• The internal common trip mechanism helps ensure all poles trip simultaneously during fault conditions
• Bolt-on construction for secure panel and switchgear installation
• Includes load-side lugs for convenient conductor termination
• HACR rated for heating, air conditioning, and refrigeration applications
• Designed for long-term service in commercial and industrial environments
• Suitable as a form, fit, and functional replacement in compatible existing systems

Technical Specifications

• Part Number: THKMA836600
• Type: THKM8
• Current Rating: 600 Amps
• Poles: 3
• Trip Unit: Interchangeable Thermal Magnetic
• Trip Mechanism: Internal Common Trip
• Mounting Style: Bolt-On
• A.I.C. Rating: 25kA @ 600VAC
  35kA @ 480VAC
  65kA @ 240VAC
• HACR Rated: Yes
• Included Accessories: Load-Side Lugs
• Height: 15.5 in.
• Width: 8.25 in.
• Depth: 5.5 in.

Material Compliance and Certifications

• HACR rated for use in heating, ventilation, air conditioning, and refrigeration applications
• Manufactured and tested to applicable industry standards for molded case circuit breakers
• Designed for installation and operation in accordance with applicable electrical codes and equipment specifications

Where It Works Best

• The THKMA836600 is commonly used in commercial buildings, industrial facilities, manufacturing plants, distribution equipment, switchboards, panelboards, and motor control applications that require high-amperage circuit protection. Its 600 Amp rating makes it well-suited for protecting feeders, large distribution circuits, and critical electrical infrastructure operating in three-phase power systems. The breaker is particularly useful for maintaining existing electrical installations that require a compatible THKM8-series replacement while preserving the original system design and electrical ratings.