Square D PJA36080U41A PowerPact P-Frame MCCB – 3 Pole – 800A – I-Line Plug-On – Micrologic 3.0A – Electronic Trip Circuit Breaker

The Square D PJA36080U41A is a PowerPact P-Frame molded case circuit breaker designed for high-capacity industrial power distribution. It is engineered for use in I-Line panelboards and switchboards, offering reliable protection for large three-phase electrical systems. The unit includes a Micrologic 3.0A electronic trip system providing adjustable long-time and instantaneous protection with enhanced metering functionality.

Electrical Ratings

• Frame / Rated Current: 800 A
• Voltage Rating:
  • 600 V AC (50/60 Hz)
  • 250 V DC
• Phase: 3 Phase
• Poles: 3 Pole
• Interrupting Capacity:
  • 100 kA @ 240 VAC
  • 65 kA @ 480 VAC
  • 25 kA @ 600 VAC
• Continuous Rating: 80%
• Application: Power distribution / switchboards / panelboards

Protection and Trip Functions

• Trip Unit Type: Electronic
• Trip Model: Micrologic 3.0A
• Protection Functions:
  • Long-Time Overload Protection
  • Instantaneous Short-Circuit Protection
• Trip Function Type: LI (Long-Time, Instantaneous)
• Trip Setting: 800 A
• Additional Functionality: Ammeter/metering capability (Micrologic 3.0A series)
• Trip Control: Toggle mechanism

Configuration and Function

• Device Type: Molded Case Circuit Breaker (Electronic Trip)
• Series: PowerPact P-Frame (PJA Series)
• Mounting Type: Plug-on (I-Line system)
• Electrical Connection: I-Line line connection / lug load side
• Frame Type: P-Frame
• Phase Configuration: ABC
• Application: I-Line panelboards and switchboards

Mechanical and Physical Characteristics

• Dimensions: 8.27 in (W) × 8.05 in (D) × 12.86 in (H)
• Wire Range: (3) 3/0 AWG to 500 kcmil (Al/Cu)
• Heavy-duty feeder-grade construction
• Designed for high-current industrial systems
• Plug-on installation for fast integration and replacement
• Ambient Temperature Range: -13 °F to 158 °F

Standards and Certifications

• UL Listed
• CSA Certified
• IEC compliant
• NOM compliant (system dependent)
• RoHS / REACh compliant
• Manufacturer: Square D / Schneider Electric
• Series: PowerPact P-Frame
• UNSPSC: 39131702

Returns are easy

You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.