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Square D Q422300AB - Molded Case 300A 240V 3-Pole

Square D
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Square D Q422300AB is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial electrical systems. It operates at a voltage rating of 240V and a current rating of 300A, with a 25kA interrupting capacity at 240V. This bolt-on unit features thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions, weighing 4 lb. It is compliant with industry standards for single-phase applications. Typical uses include protecting branch circuits and feeders in commercial and light industrial power distribution panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 240V
  • Current Rating: 300A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 25kA@240V
  • Phase: 1
  • Weight: 4 lb
  • Item Subcategory: Molded Case


Product Identification
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