MGP36600 - 600 Amp Circuit Breaker

MGP36600 - 600 Amp Circuit Breaker

When you’re looking for dependable protection and performance in heavy-duty electrical systems, the MGP36600 delivers. Engineered for demanding commercial and industrial applications, this 3-pole, 600-amp circuit breaker handles up to 600 VAC and offers an interrupting rating of 18 kA at 600 V — making it ideal for critical distribution panels and switchboards. Featuring the electronic trip unit ET 1.0, it provides customizable long-time pickup settings (300-800 A) so you can tailor the protection exactly to your load profile. Built to major global standards, it offers peace of mind and longevity in one package.

Key Features and Benefits

• High interrupting capacity: With an 18 kA rating at 600 VAC, this breaker is ready to safely clear significant fault currents, protecting your system from extensive damage.
• Electronic trip unit (ET 1.0): Enables precise overload and short-circuit protection with adjustable long-time pickup ranging from 300 to 800 A—which gives flexibility to match varying load conditions.
• Unit-mount, 3-pole configuration: Designed for simple integration into panelboards and switchboards, with terminal nuts on the line side and lugs on the load side for efficient wiring.
• Durable and standards-compliant: Meets UL, CSA, NOM, and IEC specifications; CE marked for global use. Designed to last and operate reliably under tough conditions.
• Environmentally mindful design: Complies with RoHS/REACh and is free from PVC in many parts, demonstrating responsible manufacturing practices.

Technical Specifications

• Rated operational voltage: 600 V AC, 50/60 Hz
• Rated insulation voltage: 750 V (per IEC 60947-2)
• Interrupting capacity:
  • 65 kA at 240 V AC
  • 35 kA at 480 V AC
  • 18 kA at 600 V AC (UL 489)
• Service breaking capacity:
  • 25 kA at 240 V AC
  • 20 kA at 380/415 V AC (IEC 60947-2)
• Magnetic tripping current range: 1,200-6,000 A
• Mounting type: Unit-mount with line side terminal nuts, load side lugs
• Dimensions:
  • Height: 12.86 in
  • Width: 8.27 in
  • Depth: 8.05 in
• Weight: ~29 lb (13.15 kg)
• IP degree of protection: IP40
• Pollution degree: 3 (IEC 60947-1)

Material Compliance and Certifications

• Sustainability and Compliance: The MGP36600 is manufactured with sustainability in mind: it meets the RoHS directive and REACh requirements, and is designed without hazardous substances like mercury or PVC in many parts.
• Certifications: UL listing, CSA approval, NOM compliance and IEC conformity, with CE-marking for international compatibility.

Where It Works Best

• This circuit breaker is an excellent choice for commercial buildings, industrial facilities, data-centers, manufacturing plants and critical infrastructure where reliable power distribution is essential. If you’re dealing with large switchboards, panelboards, or high-fault-current systems and need a breaker that offers both high performance and flexibility, the MGP36600 fits the bill. Its adjustable trip settings make it ideal when system loads evolve or require future-proofing.