MXD63B500 - 500Amp Circuit Breaker

MXD63B500 - 500Amp Circuit Breaker

Keep your existing electrical distribution system operating as intended with the MXD63B500 500 Amp 3-Pole Molded Case Circuit Breaker. As part of the MXD6 series, this heavy-duty circuit breaker provides overcurrent and short-circuit protection for compatible commercial and industrial electrical systems.

Key Features and Benefits

• Designed for electrical distribution applications requiring a 500A molded case circuit breaker.
• Provides three-pole circuit protection for compatible three-phase AC electrical systems.
• Supports form, fit, and functional replacement in equipment originally configured for an MXD6 breaker with matching specifications.
• Rated at 25kA at 600VAC, 50kA at 480VAC, and 65kA at 240VAC for applications within the stated ratings.
• Provides a 30kA interrupting Rating at 250VDC when used in an approved two-pole configuration.
• Features an integrated trip-unit arrangement designed to maintain the breaker's specified protection configuration.
• Includes load-side lugs for connection to compatible electrical conductors.
• Built for lasting service in electrical distribution equipment when properly installed and maintained.
• The 16" H × 9" W × 6" D dimensions help technicians evaluate replacement fit and enclosure clearance.

Technical Specifications

• Part Number: MXD63B500
  
• Product Type: Molded Case Circuit Breaker (MCCB)
  
• Series / Type: MXD6
  
• Amperage Rating: 500 Amps
  
• Number of Poles: 3
  
• Trip Unit: Non-Interchangeable
  
• Interrupting Rating at 600VAC: 25kAIC
  
• Interrupting Rating at 480VAC: 50kAIC
  
• Interrupting Rating at 240VAC: 65kAIC
  
• DC Interrupting Rating: 30kAIC at 250VDC (2-Pole Applications)
  
• Dimensions:
  • Height: 16.0 Inches
  • Width: 9.0 Inches
  • Depth: 6.0 Inches
• Ship Weight: 75.00 lbs.
• Connection Hardware: Load-Side Lugs Included
  

Material Compliance and Certifications

Specific UL listings, CSA certifications, ANSI standards, RoHS compliance, and material composition details have not been independently verified for this part number. Applicable certifications and compliance requirements should be confirmed using the manufacturer's documentation and the markings on the individual breaker.

Where It Works Best

The MXD63B500 500A 3-Pole Circuit Breaker is particularly suited for maintaining existing electrical installations that require the MXD6 series configuration and its specific electrical characteristics. Its primary value lies in matching the form, fit, and function of the breaker originally specified for the equipment.