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Square D QO230 - 2-Pole Circuit Breaker 30A 120/240V

Square D
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Square D QO230 is a two-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for 120/240VAC single-phase residential and light commercial electrical systems. It features a 30A current rating and a 10kA interrupting capacity at 240V, housed in a compact plug-in unit measuring 76 mm H x 38 mm W x 74 mm D with a weight of 0.55 lb. The breaker utilizes a thermal-magnetic trip mechanism for combined long-time and instantaneous protection, is rated for operation from -25 to 70 °C, and is certified to UL standards including HACR. Its plug-in connection and compatibility with AWG 14 to 8 copper or aluminum conductors make it suitable for installation in compatible QO series load centers for branch circuit protection.

Key Features & Specifications
  • Type: Two-pole, plug-in, molded case circuit breaker with thermal-magnetic protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 30A
  • Dimensions: 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Standards: HACR, UL Listed
  • Applications: Residential and light commercial branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Phase: 1
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Wire Size: AWG 14 to AWG 8, Copper or Aluminum
  • Certification: HACR, UL Listed


Product Identification
  • UPC: 785901400424
  • GTIN: 00785901400424