Schneider Electric PJA36120 | PowerPact P-Frame 1200A Molded Case Circuit Breaker

Main Description:

The Schneider Electric PJA36120 is a heavy-duty PowerPact P-Frame molded case circuit breaker engineered for large industrial electrical systems requiring high-capacity protection. Rated at 1200A and 600 VAC, this 3-pole breaker features the ET1.0I electronic trip unit, providing fixed long-time and instantaneous protection for precise overload and short-circuit response. Its I-Line mounting bracket enables fast and secure installation, while the integral push-to-trip button ensures manual tripping capability when needed. Designed for demanding applications, the PJA36120 offers reliability, durability, and full compliance with modern electrical standards.

Technical Overview:

• Manufacturer: Schneider Electric

• Part Number: PJA36120

• Product Type: Molded Case Circuit Breaker (PowerPact P Series)

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker

• Rated Current (In): 1200 A

• Number of Poles: 3

• Control Type: Toggle

• Breaking Capacity Code: J

• Rated Operational Voltage (Ue): 600 VAC, 50/60 Hz (UL 489)

• Network Frequency: 50/60 Hz

• Service Breaking Capacity (Ics): 35 kA @ 240 VAC

• Impulse Withstand Voltage (Uimp): 8 kV

• Trip Unit Technology: Electronic Basic (ET1.0I)

• Trip Unit Type: Fixed Long-Time / Instantaneous

• Continuous Current Rating: 80%

• Rated Insulation Voltage (Ui): 750 V

• AWG Compatibility: 4 × AWG 3/0 to 500 kcmil (Al/Cu)

• Local Signaling: Trip indicator (green)

• Mounting Mode: I-Line bracket

• Mounting Support: Bracket

• Electrical Connection: I-Line (line side) / Mechanical lugs (load side)

• Terminal Identifier: AL1200P25K

• Long-Time Pickup Adjustment: 1× In (fixed)

• Mounting Height: 9 in (228.60 mm)

• Power Wire Stripping Length: 1.18 in (30 mm)

• Dimensions:

  • Height: 16.16 in (410.46 mm)

  • Width: 8.27 in (210.06 mm)

  • Depth: 8.05 in (204.47 mm)

• Net Weight: 32 lb (14.51 kg)

• Phase Connection: ABC

• Application: HACR rated

• IP Rating: IP40 (front cover)

• Pollution Degree: 3

• Temperature Rating (Operation): -13 to 158°F (-25 to 70°C)

• Temperature Rating (Storage): -58 to 185°F (-50 to 85°C)

• Approvals/Certifications: UL Listed

• Condition: New/Never Used Surplus

Key Features:

• Heavy-duty PowerPact P-Frame construction for industrial performance

• ET1.0I electronic protection with fixed long-time and instantaneous trip

• 1200A capacity for large electrical distribution systems

• I-Line mounting for fast, secure installation

• Integral push-to-trip mechanism for manual operation

• Supports large conductor sizes up to 500 kcmil

• High service breaking capacity (Ics) and robust safety ratings