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Square D QOB250HID - Molded Case Circuit Breaker 50A 2-Pole

Square D
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Square D QOB250HID is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 50A current rating and a 120/240VAC voltage rating, with a compact bolt-on design measuring 79 mm x 38 mm x 74 mm (H x W x D) and a weight of 0.6 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is constructed with pressure plate terminals, and operates within a temperature range of -25°C to 70°C. It complies with CSA and UL standards, including a UL Listed certification and an interrupting capacity of 10kA at 120V, making it suitable for industrial control panels, HVAC equipment, and power distribution applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 120/240VAC
  • Current Rating: 50A
  • Dimensions: 3.1 in (79 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Standards: CSA, UL Listed
  • Applications: Industrial Control Panels, HVAC Systems, Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Single Unit
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC rating: 10kA @ 120V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Terminal Connection: Pressure Plate
  • Certification: UL Listed
  • Weight: 0.6 lb


Product Identification
  • GTIN: 00785901362982