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Square D HDA36125AABC - Molded Case Breaker 125A 600V 3-Pole

Square D
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Square D HDA36125AABC is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 125A continuous current at 600V AC, with an interrupting capacity of 18kA at 480V AC. The unit features an I-Line style plug-in connection, weighs 12.5 lb, and utilizes thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. This breaker complies with applicable UL and NEMA standards for molded case circuit breakers. It is typically applied in panelboards, switchboards, and motor control centers for branch circuit or feeder protection in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: Standard molded case frame size
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Standard molded case
  • Phase: 3
  • Voltage: 600V
  • Amperage: 125A
  • AIC rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: HDA
  • 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 specified
  • Metal Type: Not specified
  • Panel Style: I-Line
  • Bus Type: I-Line
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Standard I-Line
  • Clas: Not applicable
  • Mounting: Plug-In
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 125A
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 125A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 125A
  • Amperage Minimum: 0A
  • Nema Rating: Standard
  • Switch Style: Circuit Breaker
  • Wire Size: Not specified
  • Certification: UL
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, NEMA
  • Compatible Frames: HDA
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HDA
  • Current Rating: 125A
  • 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: Standard
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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