PJA36120U33A - 1200 Amp Circuit Breaker

PJA36120U33A - 1200 Amp Circuit Breaker

The Schneider Electric PJA36120U33A is a heavy-duty, low-voltage PowerPacT P-frame circuit breaker engineered to deliver dependable performance and protection in demanding industrial and commercial power systems. With its advanced trip unit, flexible mounting options, and high interruption capability, this breaker is tailored to guard critical equipment—and your business—from dangerous overloads or short circuits.

Key Features and Benefits

• Micrologic 5.0 Trip Unit with LSI Protection: Offers Long-Time, Short-Time, and Instantaneous protection modes, enabling precise coordination and fault discrimination across your electrical network.
• High Interrupting Capacity (25 kA at 600 VAC): Designed to handle significant fault current levels without compromising safety.
• I-Line Terminations & Standard Mounting: Engineered for straightforward installation, this breaker fits standard layouts using familiar handle positions and common mounting holes.
• Resilient Design for Industrial Environments: Built from durable materials to resist wear, handle vibration, and maintain performance even under challenging operating conditions.
• Scalable Protection Scheme: Because of its modular trip features and adjustability, this breaker can adapt to changing load profiles over time.

Technical Specifications

• Product Range: PowerPacT P-frame
  
• Rated Current: 1200 A
  
• Poles: 3
  
• Breaking Capacity: 25 kA at 600 V AC (UL 489)
  
• Trip Unit: Micrologic 5.0 (LSI)
  
• Rated Voltage: 600 V AC, 50/60 Hz
  
• Mounting: I-Line bracket, standard handle layout
  
• Dimensions (H × W × D):
  • Height: 16.16 in
  • Width: 8.27 in
  • Depth: 8.05 in
• Net Weight: 32 lb
  
• Terminal Identifier: AL1200P25K
  
• Tightening Torque: 442.5 lbf·in (≈ 50 N·m) for AWG 3/0 to 500 kcmil
  

Material Compliance & Certifications

• Standards Compliance: Meets or exceeds UL 489, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards to ensure broad safety coverage.
• Environmental & Safety Compliance: Adheres to RoHS and REACh requirements, aligning with modern regulatory expectations.
• Green Premium Labeling: Reflects Schneider Electric’s approach to transparency in environmental impact and sustainable product practices.
  

Where It Works Best

• This circuit breaker is ideal for industrial plants, large commercial buildings, data centers, and mission-critical facilities—anywhere high current loads and continuity of service are non-negotiable. Use it to protect main bus bars, motor feeders, or backup power distribution systems. Its robust interrupting capability and smart trip logic make it especially suited for settings with high fault potential or evolving power needs.