Schneider Electric MGA36400 | 400A 3-Pole PowerPacT M-Frame Circuit Breaker

Main Description:

The Schneider Electric MGA36400 is a high-performance PowerPacT M-Frame molded case circuit breaker engineered for industrial and commercial electrical protection. With a 400A current rating, 3-pole configuration, and 600VAC operating voltage, this breaker provides reliable overload and short-circuit protection. Its ET 1.0 electronic trip unit delivers precise long-time and magnetic fault response, while the I-Line mounting system ensures quick, secure installation into panelboards and switchgear. Designed for demanding applications, the MGA36400 offers consistent protection, durability, and full compliance with modern electrical standards.

Technical Overview:

• Manufacturer: Schneider Electric

• Part Number: MGA36400

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker

• Product Series: PowerPacT M-Frame

• Poles: 3

• Amperage Rating: 400A

• Voltage Rating: 600VAC (UL 489)

• Interrupting Rating: 18kA @ 600VAC

• Additional IEC Interrupting Ratings:

  • 25kA @ 240VAC (IEC 60947-2)

• Breaking Capacity Code: G

• Trip Unit Technology: Electronic, ET 1.0

• Magnetic Trip Range: 800–4000A

• Long-Time Pickup Range: 300–800A

• Continuous Current Rating: 80%

• Insulation Voltage: 750V

• Impulse Withstand Voltage: 8kV

• Suitability for Isolation: Yes (IEC 60947-2)

• Utilization Category: Category A

• Control Type: Operating Handle

• Local Signaling: Green Trip Indicator

• Mounting Mode: I-Line Bracket

• Mounting Support: Bracket

• Terminal Identifier: AL800M23K

• Wire Size Compatibility: 3 × AWG 3/0…3 × 500 kcmil (Cu/Al)

• Power Wire Strip Length: 0.98 in (25 mm)

• Mounting Height: 9 in

• Color: Black

• Dimensions (HxWxD): 12.86 in × 8.27 in × 8.05 in

• Net Weight: 29 lb (13.15 kg)

• Application Rating: HACR Rated

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

• Condition: New/Never Used Surplus

Key Features:

• ET 1.0 electronic trip unit provides precise long-time and magnetic fault protection

• 18kA interrupting rating at 600VAC for demanding industrial applications

• I-Line line-side connection and load-side lugs for efficient installation

• Integral push-to-trip button for manual testing and safety operations

• Durable molded-case construction designed for heavy-duty environments

• Wide wire-range compatibility for flexible field installation

• Fully compliant with UL, CSA, NOM, IEC, and CE standards