SLD69300 - 300Amp Circuit Breaker

SLD69300 - 300Amp Circuit Breaker

The SLD69300 is a 3-pole, 300-amp thermal magnetic molded case circuit breaker built on the SLD600A frame, making it a dependable form, fit, and functional replacement for compatible electrical distribution systems. Designed for use in your commercial and industrial applications, this breaker provides overcurrent and short-circuit protection while offering adjustable trip functions that help you to accommodate a range of system requirements. The included trip unit features continuous current adjustment, long-time delay adjustment, and instantaneous setting adjustment, allowing qualified personnel to tailor protection settings to the installation. Built to last, the SLD69300 is rated for 25kA at 600VAC, 35kA at 480VAC, and 65kA at 240VAC, making it suitable for a variety of higher-capacity electrical systems.

Key Features and Benefits

• Current Rating: 300 amp continuous current rating.
• 3-Pole Configuration: 3-pole configuration for three-phase electrical systems.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism provides overload and short-circuit protection.
• Frame Design: SLD600A frame design for form, fit, and functional replacement in compatible equipment.
• Adjustable Trip Unit: Continuous Current Setting, Long Time Delay, and Instantaneous Setting.
• Interrupting Capacity: 25kA @ 600VAC, 35kA @ 480VAC, and 65kA @ 240VAC.
• Built for Long Service Life: Built for long service life in commercial and industrial environments.
• Lug Terminals: Lug terminals are not included.
  

Technical Specifications

• Part Number: SLD69300
  
• Type: SLD6-A
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Frame Size: SLD600A Frame
  
• Trip Unit: Thermal Magnetic
  
• Poles: 3
  
• Amperage: 300A
  
• Voltage / Interrupting Rating: 25kA @ 600VAC; 35kA @ 480VAC; 65kA @ 240VAC
  
• Adjustable Trip Functions: Continuous Current Setting, Long Time Delay, Instantaneous Setting
  
• Dimensions:
  • Height: 11.0 in.
  • Width: 7.5 in.
  • Depth: 4.0 in.
• Lug Terminals: Not Included
  

Material Compliance and Certifications

• Application: The SLD69300 is a molded case circuit breaker designed for installation in compatible electrical distribution equipment and is manufactured to meet the specifications associated with the SLD600A frame and Type SLD6-A product family.
• Installation Requirements: Users should verify compatibility with their existing equipment and consult applicable local electrical codes and installation requirements before installation. Any required certifications or compliance should be confirmed based on the specific application and project documentation.
  

Where It Works Best

• The SLD69300 is well suited for commercial, industrial, and institutional electrical distribution systems that require a 300-amp, 3-pole molded case circuit breaker with adjustable thermal magnetic protection. It is commonly used in switchboards, panelboards, motor control applications, manufacturing facilities, warehouses, processing plants, and other installations where maintaining compatibility with existing SLD600A frame equipment is important. Its adjustable trip settings provide flexibility for coordinating protection within legacy power distribution systems while serving as a reliable form, fit, and functional replacement for compatible installations.