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Square D PJA36080U31A - Molded Case Breaker 800A 600V 3-Pole

Square D
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The Square D PJA36080U31A is a 3-pole, 800A molded case circuit breaker from the Powerpact family, designed for solid-state overcurrent protection with LI (Long-Time and Instantaneous) functions. It is rated for 600V AC, 3-phase systems, with an AIC rating of 65kA at 480V, and features a MicroLogic 3.0 trip unit. This unit measures 12.86 in x 8.27 in x 8.05 in (H x W x D), weighs 32 lb, and uses an I-Line style plug-in connection with AL800M23K terminals, accommodating 3 x AWG 3/0 to 500 kcmil aluminum or copper conductors. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, operating within a temperature range of 13 to 158 °F (-25 to 70 °C). Typical industrial applications include main or feeder protection in switchboards and panelboards requiring high interrupting capacity and precise solid-state tripping.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact P Frame, Solid State Protection
  • Voltage Rating: 600V AC
  • Current Rating: 800A
  • Dimensions: 12.86 in (326.64 mm) x 8.27 in (210.06 mm) x 8.05 in (204.47 mm) (Height x Width x Depth)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial main or feeder protection in switchboards and panelboards
  • Switch Type: I-Line Style Plug-In
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: Not applicable (solid state trip)
  • Temp Rating: 13-158 °F (-25-70 °C)
  • Shipping Dimensions: 12.86 in x 8.27 in x 8.05 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 800A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: P Frame
  • Trip Type: MicroLogic 3.0
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 3 x AWG 3/0...500 kcmil aluminium/copper
  • 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 specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: I-Line Style Plug-In
  • Hz: Not specified
  • Coil Material: Not applicable
  • 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 applicable
  • Wire: 3 x AWG 3/0...500 kcmil aluminium/copper
  • Amperage Maximum: 800A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: I-Line Style Plug-In
  • Wire Size: 3 x AWG 3/0...500 kcmil aluminium/copper
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: I-Line Style Plug-In
  • Terminal Connection: AL800M23K
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Compatible Frames: P Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: P Frame
  • Current Rating: 800A
  • 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: 785901731191
  • GTIN: 00785901731191