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Square D PJA36120U31A - Molded Case 1200A 600V 3-Pole

Square D
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The Square D PJA36120U31A is a 3-pole molded case circuit breaker from the Powerpact family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 1200A continuous current, and provides a 65kA interrupting capacity at 480V AC. The unit features an I-Line style plug-in connection, measures 16.16 in x 8.27 in x 8.05 in (H x W x D), weighs 32 lb, and is constructed with a solid-state trip unit offering Long-Time and Instantaneous (LI) protection functions. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and is certified by UL, CSA, and NOM. This breaker is suitable for use in switchboards, panelboards, and motor control centers, operating within a temperature range of 13-158 °F (-25-70 °C).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact P Frame, Solid State Trip
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Dimensions: 16.16 in (410.46 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 power distribution, switchboards, panelboards, motor control centers
  • Switch Type: I-Line Style Plug-In
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: N/A
  • Temp Rating: 13-158 °F (-25-70 °C)
  • Shipping Dimensions: N/A
  • Phase: 3
  • Voltage: 600V
  • Amperage: 1200A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State, LI (Long-Time and Instantaneous)
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: P Frame
  • Trip Type: Solid State
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 4 x AWG 3/0...500 kcmil aluminium/copper
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: I-Line Plug-In
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: 4 x AWG 3/0...500 kcmil aluminium/copper
  • Amperage Maximum: 1200A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: I-Line Style Plug-In
  • Wire Size: 4 x AWG 3/0...500 kcmil aluminium/copper
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: AL800M23K
  • Frequency Rating: N/A
  • 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: N/A
  • Breaker Frame: P Frame
  • Current Rating: 1200A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 785901703457
  • GTIN: 00785901703457