TKMA836500 **Older Style** - 500Amp Circuit Breaker

TKMA836500 **Older Style** - 500 Amp Circuit Breaker

The TKMA836500 older style black face molded case circuit breaker is built for your industrial and commercial power distribution systems that require dependable overcurrent protection in demanding environments. Designed as a 3-pole, 500-amp breaker with an interchangeable thermal magnetic trip unit and internal common trip, this TKM8 series breaker is commonly used in switchboards, panelboards, motor control systems, and large electrical distribution applications. Its bolt-on design helps provide a secure installation, while the included load-side lugs simplify field connection work. Built to last and engineered for reliable operation in legacy electrical systems, the TKMA836500 is well-suited for maintaining existing infrastructure where compatibility, fit, and proper electrical ratings matter most.

Key Features and Benefits

• Older Style Black Face Configuration: Older style black face configuration for compatibility with existing TKM8 installations.
• 500A Current Rating: 500A current rating designed for industrial and commercial electrical distribution systems.
• 3-Pole Construction: 3-pole construction for three-phase power applications.
• Thermal Magnetic Trip Unit: Thermal magnetic trip unit helps protect against overloads and short circuits.
• Internal Common Trip Mechanism: Internal common trip mechanism provides coordinated circuit interruption across all poles.
• Bolt-On Mounting Design: Bolt-on mounting design supports secure installation in compatible equipment.
• HACR Rated: HACR rated for heating, air conditioning, and refrigeration applications.
• Includes Load-Side Lugs: Includes load-side lugs for easier installation and conductor termination.
• Molded Case Construction: Molded case construction designed for long-term durability in demanding electrical environments.
  

Technical Specifications

• Part Number: TKMA836500
  
• Series / Type: TKM8
  
• Breaker Type: Industrial Molded Case Circuit Breaker
  
• Trip Unit: Interchangeable Thermal Magnetic Trip Unit
  
• Mounting Style: Bolt-On
  
• Poles: 3
  
• Amperage Rating: 500 Amps
  
• Voltage & A.I.C. Ratings:
  • 22k A.I.C. @ 600VAC
  • 30k A.I.C. @ 480VAC
  • 42k A.I.C. @ 240VAC
• Face Style: Older Style Black Face
  
• Included Accessories: Load-Side Lugs
  
• Dimensions:
  • Height: 15.5 in.
  • Width: 8.25 in.
  • Depth: 5.5 in.

Material Compliance and Certifications

• HACR Rated: HACR Rated.
• Industry Standards: Designed for use in commercial and industrial electrical distribution applications.
• Manufacturing Standards: Manufactured to meet applicable molded case circuit breaker industry standards for its class and ratings.
  

Where It Works Best

• The TKMA836500 circuit breaker is commonly used in industrial facilities, commercial buildings, manufacturing environments, mechanical equipment systems, and large-scale electrical distribution panels. It is particularly suitable for maintaining or servicing existing TKM8 breaker installations where matching form, fit, and electrical specifications is important. This breaker is often applied in systems supporting HVAC equipment, motor loads, switchgear, panelboards, and other heavy-duty power distribution applications.