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Square D 997316 - Molded Case Circuit Breaker 150A 600V 3-Pole

Square D
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Square D 997316 is a 3-pole molded case circuit breaker from the 99 Series, designed to provide primary overcurrent protection through its LI (Long-Time and Instantaneous) trip functions. It is rated for 150A at 600V AC with a 10kA interrupting capacity, ensuring reliable fault interruption in three-phase electrical systems. The unit features a thermal magnetic protection mechanism, weighs 2 lb, and is configured for bolt-on mounting. This breaker complies with typical UL and CSA industry standards for molded case circuit breakers. It is well-suited for industrial and commercial electrical distribution applications requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: 99 Series
  • Type: 997
  • Weight: 2 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@600V
  • Phase: 3
  • Current Rating: 150A
  • Amperage: 150 Amps
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10kA @ 600V
  • Series/Frame: 997
  • Trip Unit: Thermal Magnetic
  • Certifications: UL Listed, CSA Certified


Part Number: 997316