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Square D HJA36150UJ - Molded Case Circuit Breaker 150A 600V 3-Pole

Square D
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Square D HJA36150UJ is a 3-pole molded case circuit breaker from the Powerpact family, designed to provide overcurrent protection through thermal magnetic operation. It is rated for 150A at 600V AC and delivers an interrupting capacity of 65kA at 480V, with LI (Long-Time and Instantaneous) protection functions. The unit features an I-Line style plug-in connection, weighs 5 lb, and is constructed for three-phase systems. This breaker complies with industry standards for industrial power distribution and motor control applications. It is typically used in panelboards, switchboards, and motor control centers for reliable circuit protection in commercial and industrial environments.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Dimensions: Standard molded case breaker size
  • Standards: UL, CSA, NEMA
  • Applications: Industrial power distribution, motor control centers, panelboards
  • Switch Type: Circuit breaker
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Standard breaker packaging
  • Phase: 3
  • Voltage: 600V
  • Amperage: 150A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: HJA
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line compatible
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Standard breaker materials
  • 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: Not applicable
  • 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: 150A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 150A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 150A
  • Amperage Minimum: Not applicable
  • Nema Rating: Standard
  • Switch Style: Circuit breaker
  • Wire Size: Not specified
  • Certification: UL, CSA
  • 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: Powerpact HJA
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HJA
  • Current Rating: 150A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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