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QBF22250

Square D
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Square D QBF22250 is a 250 Amp, 2 Pole, 240 Volt molded case circuit breaker from the Powerpact family, designed for reliable overcurrent protection in industrial applications. This thermal-magnetic breaker features LI (Long-Time and Instantaneous) trip functions and provides a 10kA interrupting capacity at 240VAC for single-phase systems. The unit weighs 4 lb and utilizes a bolt-on connection within a Q Frame construction. It is UL 489 listed and certified to CSA, ANCE, and IEC standards for compliance with multiple safety requirements. Typical applications include branch circuit protection in commercial and light industrial power distribution panels.

Key Features & Specifications
  • Type: Molded Case
  • Family: Powerpact
  • Type: QBF
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q Frame
  • Voltage Rating: 240V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 1
  • Current Rating: 250A
  • Amperage: 250 Amp
  • Mounting Type: Unit Mount
  • Interrupt Rating: 10 kA at 240 VAC
  • Series/Frame: Q Frame
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL 489 Listed, CSA, ANCE, IEC
  • Weight: 4 lb


Square D QBF22250 - Molded Case Circuit Breaker 250A 2-Pole 240V