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Square D PJA36120U33A - Molded Case 1200A 600V (3-Pole Solid State)

Square D
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Square D PJA36120U33A is a Powerpact molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems, utilizing solid-state trip technology with LSI (Long-Time, Short-Time and Instantaneous) functions. This three-pole, 1200A rated unit operates at 600VAC with a 65kA interrupting capacity at 480VAC, supporting 3-phase systems and accommodating wire sizes from 4 x AWG 3/0 to 500 kcmil aluminum or copper. The breaker features an I-Line style plug-in connection, measures 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), weighs 32.01 lb, and is constructed with a P Frame and AL800M23K terminal connection. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with certifications from UL, CSA, and NOM, and operates within a temperature range of 13-158 °F (-25-70 °C) with a 5.0 trip type. Typical applications include industrial motor control centers, switchboards, and panelboards requiring precise solid-state protection for high-current loads.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip, P Frame
  • Voltage Rating: 600VAC
  • 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, motor control centers, switchboards
  • 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: 16.16 in x 8.27 in x 8.05 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 1200A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Frame Size: P Frame
  • Trip Type: 5.0 trip
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 500 kcmil maximum
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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: I-Line Style Plug-In
  • Hz: 50/60 Hz (assumed based on standards)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 1200A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 1200A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 4 x AWG 3/0...500 kcmil aluminium/copper
  • Amperage Maximum: 1200A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • 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 Style Plug-In
  • Terminal Connection: AL800M23K
  • Frequency Rating: 50/60 Hz (assumed based on standards)
  • 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: 1200A
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901282266
  • GTIN: 00785901282266