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Square D HJA36125AA - Molded Case 125A 600V 3-Pole

Square D
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Square D HJA36125AA is a 3-pole molded case circuit breaker designed for thermal magnetic protection in industrial power distribution systems. It is rated for 125A continuous current at 600VAC with a 65kA interrupting capacity at 480V, utilizing an I-Line style plug-in connection and supporting wire sizes from AWG 14 to AWG 3/0 aluminum or copper. The breaker weighs 12.5 lb and features long time and instantaneous trip functions for overcurrent and short-circuit protection. It complies with applicable UL and NEMA standards for industrial panelboards and switchboards. This unit is commonly used in commercial and industrial facilities for branch circuit or feeder protection in three-phase systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V
  • Current Rating: 125A
  • Dimensions: Not specified
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, feeder protection
  • Switch Type: Not specified
  • Configuration: 3 Pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 125A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • 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: 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: Not specified
  • Wire: AWG 14 to AWG 3/0 Aluminum/Copper
  • Amperage Maximum: 125A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 14 to AWG 3/0 Aluminum/Copper
  • Certification: Not specified
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: 3 Phase
  • Standards: UL, NEMA
  • Compatible Frames: Not specified
  • Installation Type: Plug-In
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 125A
  • 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