HLMD63B600L - 600Amp Circuit Breaker

HLMD63B600L - 600Amp Circuit Breaker

The Siemens HLMD63B600L is a 600A, 3-pole molded-case circuit breaker designed for use in compatible commercial and industrial electrical systems. Part of the SENTRON LMD-frame family, it combines a 600 VAC rating with a thermal-magnetic trip unit and interrupting ratings of 50 kAIC at 600V and 65 kAIC at 480V. This particular configuration comes equipped with TA3K500 lugs on both the line and load sides, accepting copper or aluminum conductors from 1/0 AWG through 500 kcmil. That's an important detail when you're trying to match an existing breaker—the catalog number, frame, lug setup, dimensions, and electrical ratings all matter. Measuring 7.5 inches wide by 16 inches high by 4.5 inches deep, the HLMD63B600L is a practical choice for maintaining compatible equipment when this specific LMD-frame breaker is required. It also meets UL 489 and IEC 60947-2 standards.

Key Features and Benefits

• 600A, 3-pole configuration – Designed for compatible three-phase applications requiring a 600-amp molded-case breaker.
• Rated for 600 VAC – Suitable for equipment designed around this voltage rating.
• Thermal-magnetic trip – Uses established thermal and magnetic trip functions for overcurrent protection.
• LMD frame construction – Helps simplify identification when matching the physical and electrical characteristics of an existing breaker.
• TA3K500 lugs included – Line- and load-side lugs are part of this specific HLMD63B600L configuration.
• Copper or aluminum conductors – Accommodates Cu/Al wire ranging from 1/0 AWG to 500 kcmil.
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HLMD63B600L
  
• Article Number: US2\:HLMD63B600L
  
• Product Type: Molded Case Circuit Breaker
  
• Product Line: SENTRON
  
• Product Family: HLMD6, 50 kAIC, 600 VAC
  
• Frame: LMD
  
• Amperage: 600A
  
• Number of Poles: 3
  
• Voltage Rating: 600 VAC
  
• Interrupting Rating at 600V: 50 kAIC
  
• Interrupting Rating at 480V: 65 kAIC
  
• Trip Unit: Thermal-Magnetic
  
• Standard Temperature Rating: 40°C
  
• Line-Side Lugs: TA3K500
  
• Load-Side Lugs: TA3K500
  
• Wire Range: 1/0 AWG–500 kcmil
  
• Conductor Compatibility: Copper / Aluminum (Cu/Al)
  
• Dimensions (W × H × D): 7.5" × 16" × 4.5"
  
• Net Weight: 34.877 lb
  
• UPC: 783643404243
  
• Commodity Code: 8536200020
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The HLMD63B600L circuit breaker meets UL 489 and IEC 60947-2 standards, two important specifications to check when matching electrical equipment to project or facility requirements.

Where It Works Best

The Siemens HLMD63B600L makes the most sense in existing commercial and industrial electrical systems designed for a 600A, 3-pole LMD-frame molded-case circuit breaker. It's especially relevant when maintaining legacy equipment and the goal is to match the original breaker's form, fit, and electrical function rather than change the system configuration.