SHLD69300 - 300Amp Circuit Breaker

SHLD69300 - 300Amp Circuit Breaker

When you need a dependable replacement for a compatible SLD600A frame molded case circuit breaker, the SHLD69300 delivers the form, fit, and function needed to keep your electrical distribution system operating as intended. This 300 amp, 3-pole thermal magnetic circuit breaker is designed to provide dependable overload and short-circuit protection for commercial and industrial power systems. Built to last, it features an adjustable trip unit that allows you to fine-tune protection settings to better match your application's requirements. The adjustable trip unit includes Continuous Current Setting, Long Time Delay, and Instantaneous Setting, making it easier to coordinate protection with the rest of your electrical system. Whether you're maintaining an existing facility, replacing a failed breaker, or servicing older equipment, the SHLD69300 offers the electrical ratings and compatibility needed for many legacy installations. With interrupting capacities of 35kA at 600VAC, 65kA at 480VAC, and 100kA at 240VAC, it's built for demanding electrical environments where dependable circuit protection matters.

Key Features and Benefits

• 300 Amp Current Rating: 300 amp current rating for commercial and industrial electrical distribution.
• Three-Pole Design: Three-pole design for three-phase power systems.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism protects against overloads and short circuits.
• Adjustable Trip Unit: Adjustable trip unit includes Continuous Current Setting, Long Time Delay, and Instantaneous Setting.
• SLD600A Frame: SLD600A frame for compatibility with corresponding equipment.
• Interrupting Ratings: 35kA @ 600VAC, 65kA @ 480VAC, and 100kA @ 240VAC.
• Replacement Design: Designed as a form, fit, and functional replacement for compatible installations.
• Built to Last: Built to last in demanding electrical applications.
• Lug Terminals: Lug terminals are not included.
  

Technical Specifications

• Part Number: SHLD69300
  
• Type: SHLD6-A
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Frame Size: SLD600A
  
• Trip Unit: Thermal Magnetic
  
• Poles: 3
  
• Amperes: 300A
  
• Adjustable Functions: Continuous Current Setting, Long Time Delay, Instantaneous Setting
  
• A.I.C. Rating: 35kA @ 600VAC; 65kA @ 480VAC; 100kA @ 240VAC
  
• Dimensions:
  • Height: 11.0 in.
  • Width: 7.5 in.
  • Depth: 4.0 in.
• Lug Terminals: Not Included
  

Material Compliance and Certifications

• Commercial and Industrial Use: The SHLD69300 is manufactured for use in commercial and industrial electrical distribution systems and is designed to meet the published electrical ratings for this model.
• Compatibility Verification: Always verify compatibility with your existing equipment and ensure installation complies with applicable electrical codes and project requirements.
• Certifications: Certifications and regulatory compliance may vary based on the original manufacturing configuration.
  

Where It Works Best

• Commercial facilities
• Manufacturing plants
• Industrial control systems
• Switchboards
• Panelboards
• Distribution equipment
• Feeder circuit protection
• Existing SLD600A frame installations
• If you're replacing a breaker in an existing system, this model is designed to provide the form, fit, and functional compatibility needed to help maintain the original electrical design while delivering dependable overcurrent protection.