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Square D FHB360801021 - Molded Case Circuit Breaker 80A 600V

Square D
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Square D FHB360801021 is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-phase, 80A unit operates at 600V with a 25kA interrupting capacity at 480V, utilizing thermal magnetic protection with long time and instantaneous trip functions. The breaker features an I-Line style plug-in connection, weighs 6 lb, and is constructed for use in Square D I-Line panelboards with a temperature rating of -13 to 158 °F (-25 to 70 °C). It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include protecting branch circuits in manufacturing facilities, commercial buildings, and heavy industrial settings where three-phase power distribution is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, Thermal Magnetic Protection
  • Voltage Rating: 600V
  • Current Rating: 80A
  • Dimensions: Standard I-Line frame size
  • Standards: UL 489, CSA C22.2
  • Applications: Industrial power distribution, branch circuit protection
  • Switch Type: Non-fused
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: 6 x 4 x 4 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 80A
  • AIC rating: 25kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: FHB
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper
  • Panel Style: I-Line
  • Bus Type: I-Line
  • Fuse Class: Not applicable
  • Insulation Temperature: 105 °C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-In
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 80A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Not applicable
  • Wire Size: Not applicable
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: I-Line
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: FHB
  • Current Rating: 80A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available