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Square D QOB330VH5252 - Molded Case Circuit Breaker 30A 3P (22kA AIC)

Square D
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Square D QOB330VH5252 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 30A current rating and a 120/240VAC voltage rating, with a compact bolt-on design measuring 103 mm in height, 72 mm in depth, and 54 mm in width for efficient panel space utilization. This thermal magnetic breaker, compliant with CSA and UL standards, incorporates long-time and instantaneous (LI) trip functions and offers an interrupting capacity of 22kA at 240V. It is typically applied in industrial and commercial panelboards where robust three-pole protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 120/240V AC
  • Current Rating: 30A
  • Dimensions: 103 mm H x 72 mm D x 54 mm W (4.06 in x 2.83 in x 2.13 in)
  • Weight: 0.01 lb
  • Standards: CSA, UL Listed
  • Phase: 3
  • Poles: 3
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Functions: Long-Time and Instantaneous (LI) Trip
  • Protection: Thermal Magnetic
  • Certification: UL Listed