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Square D QOB230AS - 30A 2-Pole Thermal Magnetic Circuit Breaker

Square D
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Square D QOB230AS is a molded case circuit breaker designed for providing reliable overcurrent protection in residential and light commercial electrical panels. It features a 30A current rating and a 120/240V AC voltage rating, with a compact bolt-on connection design for secure installation. The unit employs a thermal-magnetic trip mechanism for both long-time delay and instantaneous protection, housed in a durable molded case with pressure plate terminals that accommodate copper or aluminum wire from AWG 14 to AWG 8. It is certified to UL and CSA standards with an interrupting capacity of 10kA at 240V AC, making it suitable for branch circuit protection in single-phase applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 30A
  • Poles: 2
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: AWG 14 to AWG 8 (Aluminum/Copper), 2x AWG 14 to AWG 10 (Copper)
  • AIC Rating: 10kA @ 240V
  • Phase: 1
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Functions: Long Time and Instantaneous Trip
  • Protection: Thermal Magnetic
  • Weight: 1.81 lb
  • Family: QOB Series


Product Identification
  • UPC: 785901582019