MGL36500 - 500 Amp Circuit Breaker

MGL36500 - 500 Amp Circuit Breaker

Engineered for demanding electrical systems, the MGL36500 500 Amp Circuit Breaker delivers reliable overload and short-circuit protection that commercial and industrial operators depend on. With a rated 500 A current, this 3-pole breaker features an 18 kA interrupting capacity at 600 VAC, making it a high-capacity safeguard for key power distribution panels. At the heart of its performance lies the ET 1.0 electronic trip unit—giving you programmable protection settings and advanced communication options for smarter system management. Built to global standards including UL, CSA, IEC and CE marking, this breaker brings trusted compliance alongside durable construction that handles harsh environments. From –25 °C to 70 °C ambient, and capable of reliable operation up to 4,000 m elevation (with derating), it’s ready for challenging installations. If you’re specifying protection for commercial buildings, manufacturing facilities or infrastructure projects, the MGL36500 offers the advanced capabilities, built-in environmental compliance (RoHS, REACh, Green Premium®), and service-friendly design needed to keep your system safe, efficient and future-proof.

Key Features and Benefits

• High current capacity (500 A): Easily handles demanding loads so you don’t need multiple smaller breakers.
• Excellent interrupting rating (18 kA at 600 VAC; also 35 kA at 480 VAC; 65 kA at 240 VAC UL 489): Protects your system when fault currents spike and avoids nuisance trips.
• ET 1.0 electronic trip unit: Offers customized protection settings and enables communication/monitoring, meaning better control of your electrical infrastructure.
• Global compliance: Certified under UL, CSA, NOM, IEC 60947-2, CE marked—ensuring the breaker meets recognized safety and performance standards in multiple regions.
• Durable build for demanding environments: IP40 degree of protection, pollution degree 3, ambient temperature range from –25 °C to 70 °C; perfect for industrial panels.
• Sustainability-minded: RoHS & REACh compliant, carries the Green Premium® label—so you’re doing your part for the environment without sacrificing performance.

Technical Specifications

• Range: PowerPacT M
• Rated Current: 500 A
• Number of Poles: 3
• Rated Operational Voltage: 600 VAC, 50/60 Hz
• Breaking Capacity:
  • 18 kA at 600 VAC
  • 35 kA at 480 VAC
  • 65 kA at 240 VAC (UL 489)
• Trip Unit Technology: ET 1.0 electronic trip unit
• Mounting Mode: Unit-mounted, lugs on both line and load sides
• Dimensions:
  • Height 12.86 in
  • Width 8.27 in
  • Depth 8.05 in
• Weight: 29 lbs
• Degree of Protection: IP40
• Pollution Degree: 3 (IEC 60947-1)
• Ambient Operating Temperature: –13 °F (–25 °C) to 158 °F (70 °C)
• Storage Temperature: –58 °F (–50 °C) to 185 °F (85 °C)
• Altitude: Operates without derating up to 2,000 m (6,561 ft); max up to 4,000 m (13,123 ft) with derating

Material Compliance and Certifications

• RoHS and REACh compliant: designed free from hazardous substances to minimize environmental impact.
• Green Premium® label: indicates superior environmental performance and transparency in sustainability metrics.
• Certifications: UL, CSA, NOM, IEC 60947-2, CE marking—providing assurance of global safety and performance standards.

Where It Works Best

• This breaker is a great fit for commercial buildings, industrial manufacturing plants, large infrastructure projects and any facility where high-current protection is vital. Use it in main distribution panels, critical loads, power centres or where you need an electronic trip unit for advanced monitoring. If your environment demands reliable performance in tough conditions, the MGL36500 is up to the job.