Square D EHB34100 100A 3P 480V Circuit Breaker, Bolt-On | AmpState

The Square D EHB34100 is a 100A, 3-pole, 480V bolt-on circuit breaker engineered for dependable protection in panelboards, load centers, and electrical distribution systems. Designed for replacement projects and strategic spares, it helps you keep your original BOM aligned with the exact part number you rely on.

Why this breaker stands out

• Bolt-on mounting provides fast, secure installation with minimal hardware fuss, reducing downtime during replacements or upgrades.
• Three-pole design supports 3-phase systems, ideal for commercial and industrial panelboards that run on 480V networks.
• 100 A protection delivers robust current interruption for main or branch protection, helping to safeguard distribution equipment and connected loads.
• Exact part number compatibility ensures seamless BOM alignment with your original equipment, simplifying stocking and order accuracy.
• Strategic spare availability—an on-hand EHB34100 keeps maintenance schedules on track and minimizes project delays.

Use cases and practical scenarios

• Replacement projects where the original EHB34100 is specified in the panel schedule or BOM.
• Stocking spares for manufacturing floors, data centers, or facilities with 3-phase 480V distribution systems.
• Retrofits or upgrades in existing Square D installations, ensuring compatibility with current protection schemes.

Who benefits most

• Maintenance engineers and electricians tackling panelboard or load center servicing.
• Facility managers seeking reliable, labeled spare parts to minimize downtime.
• OEM technicians performing OEM-aligned replacements without altering protection coordination.

How it compares and why it matters

Compared to generic breakers, the EHB34100 is a purpose-built fit for Square D panelboards and distribution systems. Its bolt-on design, precise 3-pole 480V configuration, and 100A rating mean you can maintain consistent protection characteristics and streamlined maintenance workflows without guessing about compatibility.

Tips for best results

• Verify the panelboard model and the original part number to ensure a direct fit and consistent trip characteristics.
• Confirm the system voltage and phase configuration—this breaker is designed for 3-phase, 480V networks.
• Coordinate replacement timing with preventive maintenance plans to minimize impact on operations.
• Consult AmpState for compatibility confirmation if you’re unsure about fit with your specific panel or distribution assembly.

Availability: AmpState offers the Square D EHB34100 100A 3P 480V Bolt-On Circuit Breaker as part of their trusted inventory for reliable, compatible protection solutions.