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Square D B250HUB - 250A 3-Pole Molded Case Circuit Breaker

Square D
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Square D B250HUB is a heavy-duty industrial circuit breaker designed for overcurrent protection and power distribution in commercial and industrial electrical systems. This unit operates at a maximum voltage of 600V AC and is rated for 250A continuous current, providing robust protection for branch circuits and feeders. The breaker features a compact, molded case construction with a weight of 5.19 lb, utilizing thermal-magnetic trip technology for reliable short-circuit and overload response. It is fully CSA Certified, HACR Rated, NOM Certified, and UL Listed, ensuring compliance with North American safety and performance standards. Typical applications include motor control centers, panelboards, switchboards, and other high-demand industrial power distribution environments.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, 3-pole
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: Not specified
  • Standards: CSA Certified, HACR Rated, NOM Certified, UL Listed
  • Applications: Motor control centers, panelboards, switchboards, industrial power distribution
  • Switch Type: Not specified
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 250A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: 3
  • Protection: Overcurrent, short-circuit, overload
  • Functions: Circuit protection
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Not specified
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 250A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: CSA Certified, HACR Rated, NOM Certified, UL Listed
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: 3-phase
  • Standards: CSA Certified, HACR Rated, NOM Certified, UL Listed
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 250A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: Not specified
  • GTIN: Not specified