SLD69300NGT - 300Amp Circuit Breaker

SLD69300NGT - 300Amp Circuit Breaker

The SLD69300NGT is a 3-pole, 300-amp thermal-magnetic molded-case circuit breaker designed to protect electrical distribution systems from overloads, short circuits, and ground faults in your commercial and industrial applications. Built on the SLD600A frame, this breaker features an adjustable electronic trip unit that allows users to fine-tune protection settings for a wide range of system requirements. Adjustable functions include continuous current setting, long-time delay, instantaneous setting, short-time pickup, short-time delay, short-time I²t pickup, ground-fault pickup, and ground-fault delay, providing flexibility for your coordination with upstream and downstream protective devices. Designed for dependable service in your compatible equipment, the SLD69300NGT is intended as a form, fit, and functional replacement for existing installations. It is built to last and is supplied without lug terminals, allowing installers to select compatible lugs based on the application's conductor requirements.

Key Features and Benefits

• Current Rating: 300 Amp current rating for medium- to high-capacity electrical distribution systems.
• 3-Pole Configuration: 3-pole configuration for three-phase power applications.
• Circuit Breaker Design: Thermal magnetic molded case circuit breaker design.
• Frame: SLD600A frame with SLD6-A type designation.
• Adjustable Trip Unit Functions: Continuous Current Setting, Long Time Delay, Instantaneous Setting, Short Time Pickup, Short Time Delay, Short Time I²t Pickup, Ground Fault Pickup, and Ground Fault Delay.
• Interrupting Ratings: 25kA @ 600VAC, 35kA @ 480VAC, and 65kA @ 240VAC.
• Replacement Design: Designed as a form, fit, and functional replacement for compatible electrical systems.
• Built to Last: Built to provide dependable circuit protection in demanding commercial and industrial environments.
• Lug Terminals: Lug terminals are not included.
  

Technical Specifications

• Part Number: SLD69300NGT
  
• Type: SLD6-A
  
• Frame Size: SLD600A
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Trip Unit: Thermal Magnetic
  
• Poles: 3
  
• Amperes: 300A
  
• Interrupting Capacity: 25kA @ 600VAC; 35kA @ 480VAC; 65kA @ 240VAC
  
• Dimensions:
  • Height: 11.0 in.
  • Width: 7.5 in.
  • Depth: 4.0 in.
• Lug Terminals: Not Included
  

Material Compliance and Certifications

• Application: The SLD69300NGT is manufactured for use in electrical power distribution systems and is designed to meet the applicable ratings and construction requirements associated with its product family.
• Installation Requirements: It should be installed and maintained in accordance with all applicable electrical codes, manufacturer guidelines, and the requirements of the equipment in which it is used. Because certifications and compliance markings may vary by production date or configuration, installers should verify any project-specific requirements before installation.
  

Where It Works Best

• The SLD69300NGT is well-suited for commercial, industrial, and institutional electrical systems that require a 300-amp, 3-pole molded-case circuit breaker with adjustable protective settings. It is commonly used in switchboards, panelboards, motor control equipment, and distribution systems where compatible SLD600A frame breakers are specified. Its adjustable trip functions make it a practical choice for applications requiring coordinated circuit protection while maintaining compatibility with existing equipment.