Eaton Cutler-Hammer ELFD3100L 100A 3P 480V Circuit Breaker | AmpState

The Eaton Cutler-Hammer ELFD3100L is a purpose-built 100A, 3-pole, 480V circuit breaker engineered to protect electrical distribution systems in panelboards and load centers. Designed for industrial and commercial environments, this unit is a reliable choice when precise part identification and dependable circuit protection matter most.

• Amperage: 100 A
• Poles: 3 (three-phase)
• Voltage rating: 480V
• Manufacturer: Eaton Cutler-Hammer
• Part number: ELFD3100L

Why the ELFD3100L stands out

For panel builders, maintenance teams, and spare-inventory planners, having a direct part-number match matters. The ELFD3100L is explicitly identified to fit Eaton-based panelboards and load centers, reducing guesswork during replacements and service calls. Its three-pole design is ideal for robust three-phase protection, common in industrial machinery, data centers, and commercial power distribution.

Ideal use scenarios

• Stocking spare breakers to minimize downtime when a three-phase 480V circuit trips in manufacturing lines.
• Installing or upgrading panelboards and load centers that require a precise ELFD3100L component.
• Maintenance planning for facilities with Eaton Cutler-Hammer-based distribution systems.

Practical benefits and outcomes

Using the ELFD3100L delivers quick, reliable protection for critical circuits in demanding environments. Its compatibility with Eaton’s distribution architecture means fewer compatibility questions during procurement, faster replacements, and streamlined maintenance workflows. With a clearly defined 100A rating and 480V capability, it supports robust power management for three-phase loads while maintaining safe, trip-resistant operation.

Compatibility and support

Need help confirming fit or matching a part number? AmpState provides direct assistance to verify compatibility and ensure you’re selecting the right breaker for your specific panel or distribution setup. Reach out with your application details, and we’ll help confirm whether ELFD3100L is the best match for your system.

Available from AmpState, the ELFD3100L offers a precise, dependable solution for your Eaton-based panelboards and load centers. Add this trusted three-phase, 480V circuit breaker to your inventory and reduce downtime with confidence.