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Square D 989316 - Molded Case 100A 3-Pole (240V)

Square D
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Square D 989316 is a 3-pole molded case circuit breaker designed for main or branch circuit protection in commercial and industrial power distribution systems. It is rated for 100A at 240VAC with a 10kA interrupting capacity and provides thermal-magnetic trip protection with LI (Long-Time and Instantaneous) functions. The unit features a bolt-on mounting style, weighs 4 lb, and is part of the Square D 989 series with an ML-1 frame. This breaker is UL Listed for safety and compliance with industry standards. It is typically used in panelboards and switchgear for reliable overcurrent protection in three-phase applications.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: 989316
  • Item Subcategory: Molded Case
  • Family: 989
  • Type: 989
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 3
  • Current Rating: 100A
  • Frame: ML-1
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed
  • Application: Main or Branch Circuit Protection