ECB24030G3 - 30 Amp Circuit Breaker

ECB24030G3 - 30 Amp Circuit Breaker

If you're working with a PowerLink™ Intelligent Panelboard system, you already know how important it is to use the right components to keep everything running smoothly. The ECB24030G3 PowerLink™ Circuit Breaker is built specifically for that purpose—a 30-amp, 2-pole thermal-magnetic breaker designed to fit seamlessly into compatible PowerLink™ panelboards found in commercial, institutional, and industrial settings. It’s all about maintaining what’s already in place, without introducing unnecessary changes to your system.

With a 480Y/277 VAC rating, this breaker helps protect your circuits from overloads and short circuits using a dependable thermal-magnetic trip mechanism. You’ll often find it supporting lighting control systems, HVAC equipment, building automation setups, and general power distribution, where consistency and compatibility matter most. Thanks to its HACR, HID, and Switching Duty ratings, it’s suited for a wide range of approved applications commonly seen in these environments.

Key Features and Benefits

• Designed for use with compatible PowerLink™ Intelligent Panelboards
• 30A continuous current rating
• 2-pole configuration for multi-phase applications
• Thermal-magnetic trip technology for overload and short-circuit protection
• HACR rated for HVAC equipment applications
• HID rated for approved lighting circuits
• Switching Duty rated for qualified switching applications
• Bolt-on mounting design for secure installation
• Supports manual or automatic reset functionality in compatible systems
• Occupies 2 panel spaces
• Built for long-term service in commercial and industrial environments
• Helps maintain original panelboard design and compatibility requirements

Technical Specifications

• Catalog Number: ECB24030G3
  
• Product Line: PowerLink™
  
• Circuit Breaker Type: ECB-G3
  
• Amperage Rating: 30A
  
• Number of Poles: 2 Pole
  
• Voltage Rating: 480Y/277 VAC
  
• Interrupt Rating:
  • 14 kA at 480Y/277 VAC
  • 65 kA at 120/240 VAC
• Trip Unit Technology: Thermal-Magnetic (LI)
  
• Mounting Type: Bolt-On
  
• Electrical Connection: Bolted Connection
  
• Wire Range:
  • Copper: AWG 12–8
  • Aluminum: AWG 10–8
• Panel Space Requirement: 2 Spaces
  
• Maximum Ambient Operating Temperature: 104°F (40°C)
  
• Optional Accessory: 24 VDC Motor Operator
  

Material Compliance and Certifications

The ECB24030G3 meets recognized industry standards for electrical safety and performance and is certified for use in applicable installations

• UL Listed
• CSA Certified
• TAA Compliant

These certifications help support compliance requirements across a wide range of commercial, industrial, institutional, and government facilities.

Where It Works Best

You’ll typically see the ECB24030G3 in commercial buildings, industrial facilities, schools, healthcare environments, and government properties that rely on PowerLink™ Intelligent Panelboards. It’s a solid fit for HVAC circuits, lighting systems, building automation, and general power distribution—anywhere maintaining the original panelboard setup is key. For maintenance crews and contractors, it offers a straightforward way to keep systems operating without overcomplicating the job.