Schneider Electric MGA36800 | PowerPact M-Frame 800A Molded Case Circuit Breaker

Main Description:

The Schneider Electric MGA36800 is a heavy-duty PowerPact M-Frame molded case circuit breaker engineered for large-scale industrial electrical distribution. Rated at 800A and 600 VAC, this breaker provides reliable system protection through its ET 1.0 electronic trip unit, offering fixed long-time adjustments and instantaneous fault response. Designed with an I-Line plug-in connection on the line side and mechanical lugs on the load side, the MGA36800 supports fast installation in I-Line panelboards and switchboards. Its robust 18 kA interrupting rating and 80% continuous current rating make it well suited for demanding environments where efficiency and safety are paramount.

Technical Overview:

• Manufacturer: Schneider Electric / Square D

• Part Number: MGA36800

• Product Type: Molded Case Circuit Breaker

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker

• Family: PowerPact M

• Type: MGA

• Frame Type: M Frame

• Voltage Rating: 600 VAC

• Amperage Rating: 800 A

• Phase: 3

• Poles: 3

• Interrupting Rating: 18 kA @ 600 VAC

• Trip Unit: Electronic Trip – ET 1.0 (Long-Time Electronic, Fixed Instantaneous)

• Magnetic Tripping Current: 1600–8000 A

• Long-Time Pickup Adjustment Range: 300–800 A

• Continuous Current Rating: 80%

• Rated Insulation Voltage (Ui): 750 V

• Rated Impulse Withstand Voltage (Uimp): 8 kV

• Service Breaking Capacity (Ics):

  • 25 kA @ 240 VAC (IEC)

  • 20 kA @ 380/415 VAC (IEC)

• Utilisation Category: Category A

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

• Mounting Mode: I-Line Bracket

• Electrical Connection:

  • Line: I-Line plug-in

  • Load: Mechanical lugs (AL800M23K)

• Local Signaling: Trip indicator (green)

• Dimensions:

  • Height: 12.86 in (326.64 mm)

  • Width: 8.27 in (210.06 mm)

  • Depth: 8.05 in (204.47 mm)

• Net Weight: 29 lb (13.15 kg)

• Color: Black

• Certifications: UL, CSA, NOM, IEC, CE

• Application: HACR Rated

• Condition: New/Never Used Surplus

Key Features:

• 800A PowerPact M-Frame breaker for large industrial loads

• ET 1.0 electronic trip unit for precise long-time and instantaneous protection

• 18 kA interrupting rating at 600 VAC

• I-Line plug-in connection enables fast, reliable installation

• Mechanical load lugs included for secure termination

• Integral push-to-trip button for manual operation

• Supports broad conductor range up to 500 kcmil

• Built for high-demand electrical distribution systems

• Compliant with UL, IEC, NOM, and CSA standards