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Square D FH360451021 - Molded Case Circuit Breaker 45A 600V (I-Line Plug-In)

Square D
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Square D FH360451021 is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-pole, 45-amp unit operates at 600VAC with a 25kA interrupting capacity at 480VAC, utilizing thermal-magnetic protection for long-time and instantaneous fault response. The breaker features an I-Line style plug-in connection within an F Frame construction, weighing 6 lb, and is equipped with a 120/240Vac shunt trip for remote tripping capability. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include branch circuit protection in switchboards, panelboards, and motor control centers within commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, I-Line Style Plug-In
  • Voltage Rating: 600VAC
  • Current Rating: 45A
  • Dimensions: F Frame
  • Standards: Industry standard molded case breaker compliance
  • Applications: Industrial power distribution, branch circuit protection, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: 240Vac
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 45A
  • AIC rating: 25kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: 120Vac
  • Control Voltage Maximum: 240Vac
  • 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: I-Line Plug-In
  • 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: 120Vac
  • Wire: Not specified
  • Amperage Maximum: 45A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: Not specified
  • Compatible Frames: F Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: F Frame
  • Current Rating: 45A
  • 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