Square D HJA36125SA - 3-Pole Molded Case Breaker 125A 600V
Square D HJA36125SA - 3-Pole Molded Case Breaker 125A 600V

Square D HJA36125SA - 3-Pole Molded Case Breaker 125A 600V

Square D
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Square D HJA36125SA is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 125A continuous current rating and a 600V AC voltage rating, housed within a compact H-frame measuring 163 mm H x 104 mm W x 86 mm D and weighing 6.001 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, offers a 65kA interrupting capacity at 480V, and is factory-equipped with a 120V AC shunt trip. It is constructed for I-Line style plug-in connection, accepts wire sizes from AWG 14 to 3/0, and complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards for operation in ambient temperatures from -2°C to 70°C.

Key Features & Specifications
  • Type: HJA Series Molded Case Circuit Breaker with Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution & Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Coil Voltage Maximum: 120V AC (Shunt Trip)
  • Temp Rating: -2°C to 70°C (28°F to 158°F)
  • Shipping Dimensions: Not Specified
  • Phase: 3
  • Voltage: 600V AC
  • Amperage: 125A
  • AIC rating: 65kA @ 480V AC
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: H Frame
  • Trip Type: Thermal-Magnetic
  • Panel Type: Compatible with I-Line Panels
  • 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 Applicable
  • Insulation Temperature: Not Specified
  • Inductance: Not Specified
  • Impedance: Not Specified
  • Barrels: Not Applicable
  • Class Rating: Not Specified
  • Diameter: Not Specified
  • Velocity: Not Applicable
  • Clip Center: Not Applicable
  • Class: Not Specified
  • Mounting: Plug-In
  • Hz: 50/60 Hz
  • 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 Applicable
  • Bucket Style: Not Applicable
  • Bucket Type: Not Applicable
  • Full Load Amp Maximum: Not Specified
  • Full Load Amp Minimum: Not Specified
  • Enclosure: Molded Case
  • Relay Style: Not Applicable
  • Coil Voltage Minimum: Not Specified
  • Wire: Accepts AWG 14 to 3/0 (Aluminium/Copper)
  • Amperage Maximum: 125A
  • Amperage Minimum: Not Specified
  • Nema Rating: Compliant
  • Switch Style: Circuit Breaker
  • Wire Size: AWG 14 to AWG 3/0
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Screw Terminal for Aluminium/Copper
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Compatible Frames: H-Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not Applicable
  • Breaker Frame: H Frame
  • Current Rating: 125A
  • Reverse Standoff Voltage: Not Applicable
  • Watts: Not Specified
  • 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: 785901429081
  • GTIN: 00785901429081