Siemens | EH3M100 | Circuit Breaker | 3-Pole | 480V

Siemens EH3M100 — 3-Pole, 480V Circuit Breaker delivers dependable, field-ready protection for three-phase electrical systems. This part-specific unit is ideal for maintenance, retrofit, and replacement projects where exact specifications are non-negotiable, helping you restore safe, continuous operation with minimal downtime.

Designed for professionals who demand precise compatibility, the EH3M100 uses Siemens’ proven engineering to ensure correct trip characteristics, electrical clearances, and mechanical fit within your panel or distribution arrangement. When you replace a unit, matching the exact part reference is the fastest way to avoid compatibility headaches and inconsistent protection performance.

Key details

• Poles: 3-Pole
• Voltage rating: 480V
• Reference part number: EH3M100

Why this Siemens circuit breaker stands out

• Exact compatibility: Use the EH3M100 as the primary reference to ensure you’re selecting a like-for-like replacement that fits your enclosure, bus connections, and control wiring.
• Robust three-phase protection: Safe interruption across all three hot lines helps prevent uneven fault conditions and protects critical equipment downstream.
• Optimized for high-voltage applications: With a 480V rating, it’s well-suited for industrial power distribution, manufacturing lines, and heavy machinery controls.
• Maintenance-ready mindset: Keep a ready spare for planned maintenance or unexpected outages, reducing downtime and keeping processes on track.

Notes for buying: Always confirm fit and ratings before ordering. Rely on the part number EH3M100 for compatibility checks to avoid mismatches in panel enclosures, wiring schemes, or trip characteristics. This methodical approach ensures you get dependable protection without surprises.

Ideal for technicians, electrical contractors, and facilities managers managing three-phase, 480V distribution networks. By selecting the Siemens EH3M100, you’re choosing a proven, purpose-built solution that aligns with your maintenance cycles and retrofit goals, delivering reliable protection and smoother operational continuity.