HMD63B500 - 500Amp Circuit Breaker

HMD63B500 - 500Amp Circuit Breaker

The Siemens HMD63B500 is a 500-amp, 3-pole molded-case circuit breaker from the HMD6 family, designed for your electrical systems requiring an MD-frame breaker with a thermal-magnetic trip unit. It is rated for 600 VAC, with an interrupting capacity of 50 kA at 600V and 65 kA at 480V. The breaker also comes equipped with TA3K500 load-side lugs, which accept copper or aluminum conductors ranging from 1/0 AWG through 500 kcmil. For maintenance teams and electrical professionals working with equipment designed around this breaker, the HMD63B500 offers the specific combination of amperage, poles, frame size, voltage, and connection requirements needed to maintain the intended form, fit, and function.

Key Features and Benefits

• 500A, 3-pole configuration for compatible three-phase electrical systems
• Rated for applications up to 600VAC
• 50kA interrupting capacity at 600V and 65kA at 480V
• Thermal-magnetic trip unit for the specified overcurrent protection
• Part of the HMD6 family with an MD-frame configuration
• Includes TA3K500 load-side lugs
• Accepts 1/0 AWG to 500 kcmil copper or aluminum conductors
• Standard 40°C breaker design
• Meets UL 489 and IEC 60947-2
• Useful for form, fit, and functional replacement when the existing equipment requires these specifications
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number / MFN: HMD63B500
  
• Breaker Type: Molded case circuit breaker
  
• Product Family: HMD6
  
• Frame: MD
  
• Trip Type: Thermal-magnetic
  
• Ampere Rating: 500A
  
• Number of Poles: 3
  
• Maximum Voltage: 600VAC
  
• Interrupting Capacity at 600V: 50kA
  
• Interrupting Capacity at 480V: 65kA
  
• Temperature Rating: Standard 40°C
  
• Load-Side Lugs: TA3K500
  
• Wire Range: 1/0 AWG–500 kcmil
  
• Conductor Material: Copper or aluminum (Cu/Al)
  
• Dimensions (W x H x D): 9 x 16 x 6 in.
  
• Net Weight: 57.475 lb
  
• UPC: 783643214743
  
• Commodity Code: 85362090
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The HMD63B500 molded-case circuit breaker meets the UL 489 and IEC 60947-2 standards. Its TA3K500 load-side lugs are specified for both copper and aluminum conductors within the listed wire-size range.

The available manufacturer information does not state RoHS substance-restriction compliance for this particular catalog number, and no SCIP number is provided. If either is required for a particular project or facility, current documentation should be checked before installation.

Where It Works Best

The HMD63B500 makes the most sense in electrical equipment specifically designed around a 500A, 3-pole HMD6/MD-frame breaker with the corresponding voltage, interrupting ratings, and thermal-magnetic trip characteristics. That can make it particularly useful when maintaining existing electrical distribution equipment, where matching the original breaker specifications is critical.