SLD69500NT - 500Amp Circuit Breaker

SLD69500NT - 500Amp Circuit Breaker

The SLD69500NT is a 3-pole, 500-amp thermal magnetic molded case circuit breaker built on the SLD600A frame for use in your commercial and industrial electrical distribution systems. Designed as a form, fit, and functional replacement for compatible equipment, this breaker provides dependable overcurrent and short-circuit protection while helping you to maintain the safe operation of existing power distribution systems. Its adjustable trip unit allows technicians to tailor protection settings to the application's requirements through configurable continuous current, long-time delay, instantaneous, short-time pickup, short-time delay, and short-time I²t pickup functions. Built to last and engineered for demanding electrical environments, the SLD69500NT is well suited for switchboards, panelboards, motor control applications, and other systems requiring a 500A, 3-pole molded case circuit breaker.

Key Features and Benefits

• Current Rating: 500 Amp continuous current rating for higher-capacity electrical distribution applications.
• 3-Pole Configuration: 3-pole configuration for protecting three-phase electrical systems.
• Thermal Magnetic Trip Unit: Thermal magnetic trip unit provides protection against overloads and short circuits.
• Adjustable Trip Functions: Continuous Current Setting, Long Time Delay, Instantaneous Setting, Short Time Pickup, Short Time Delay, and Short Time I²t Pickup.
• Frame Design: SLD600A frame design for compatibility with appropriate existing equipment.
• Interrupting Capacity: 25kA @ 600VAC, 35kA @ 480VAC, and 65kA @ 240VAC.
• Built to Last: Built to last for demanding commercial and industrial environments.
• Replacement Design: Designed as a form, fit, and functional replacement for compatible installations.
• Lug Terminals: Lug terminals are not included.
  

Technical Specifications

• Part Number: SLD69500NT
  
• Frame Size: SLD600A
  
• Breaker Type: SLD6-A Molded Case Circuit Breaker
  
• Trip Type: Thermal Magnetic
  
• Poles: 3
  
• Amperage: 500 Amps
  
• Interrupting Rating: 25kA @ 600VAC; 35kA @ 480VAC; 65kA @ 240VAC
  
• Adjustable Trip Functions: Continuous Current Setting, Long Time Delay, Instantaneous Setting, Short Time Pickup, Short Time Delay, Short Time I²t Pickup
  
• Dimensions:
  • Height: 11.0 in.
  • Width: 7.5 in.
  • Depth: 4.0 in.
• Lug Terminals: Not Included
  

Material Compliance and Certifications

• Application: The SLD69500NT is designed for installation in compatible electrical distribution equipment and is manufactured for applications requiring a thermal magnetic molded case circuit breaker with the ratings listed above.
• Installation Requirements: Users should verify compatibility with their specific equipment and confirm all applicable local electrical codes, installation requirements, and project specifications before installation.
  

Where It Works Best

• The SLD69500NT is well suited for commercial, industrial, and institutional electrical systems that require a 500-amp, 3-pole molded case circuit breaker. It is commonly used in switchboards, panelboards, motor control centers, distribution equipment, and feeder circuits where the SLD600A frame and electrical ratings match the existing installation. Its adjustable trip settings provide flexibility for coordinating system protection while maintaining compatibility with legacy electrical infrastructure.