MJL36600 - 600 Amp Circuit Breaker

MJL36600 - 600 Amp Circuit Breaker

The Schneider Electric MJL36600 is a serious workhorse for demanding electrical systems. With a 600-amp rating and a solid interrupting capacity of 65 kA at 480 VAC, it’s built to handle high-stress environments where safety and uptime matter most. This 3-pole molded case circuit breaker doesn’t just protect—it performs. Whether you’re upgrading older gear or planning new panel layouts, this unit gives you dependable short-circuit and overload protection with the kind of performance you expect in mission-critical setups. Add in its ET 1.0 electronic trip unit, and you’ve got real-time monitoring and accurate fault detection packed into one compact, durable frame.

Key Features and Benefits

• Heavy-Duty Protection: Delivers 600 amps of steady current with strong fault-clearing capability—65 kA at 480 VAC and 25 kA at 600 VAC.
• Smarter Trip Technology: The ET 1.0 trip unit provides precise protection, quick response to faults, and built-in diagnostics to help reduce downtime.
• Tough in Any Setting: Operates in extreme temperatures from -25°C to 70°C, making it reliable in everything from utility rooms to factory floors.
• Flexible Installation: Unit-mounted with lugs on both line and load sides, giving installers more versatility when fitting into existing systems.

Technical Specifications

• Amperage Rating: 600 A
  
• Voltage Rating: Up to 600 VAC
  
• Poles: 3
  
• Interrupting Ratings:
  • 25 kA at 600 VAC (UL 489)
  • 65 kA at 480 VAC
• Trip Unit: Electronic – ET 1.0
  
• Continuous Current Rating: 80%
  
• Mounting: Unit-mounted, line/load lugs included
  
• Dimensions:
  • Height: 12.86″
  • Width: 8.27″
  • Depth: 8.05″
• Weight: 29 lb
  

Material Compliance and Certifications

• RoHS and REACH Compliant: The MJL36600 meets current RoHS and REACH standards, with no hazardous materials like mercury. Its design supports safer, greener installs—especially where environmental compliance is non-negotiable.

Where It Works Best

• This breaker fits perfectly into commercial buildings, manufacturing operations, data facilities, and municipal systems. It's ideal when you're dealing with high-energy loads and need a breaker that performs consistently. Whether it’s new construction or system upgrades, the MJL36600 gives you the protection and smart functionality needed to keep your operations running smoothly.