Siemens EH3-S100 Circuit Breaker, 100A, 3-Pole, 480V

The Siemens EH3-S100 Circuit Breaker is engineered for demanding industrial environments, delivering reliable overcurrent protection for essential power circuits. With a 100 A rating and a 3-pole configuration, this unit is purpose-built for three-phase systems where consistent, safe operation matters most—from manufacturing floors to robust service panels.

• Amperage & Configuration: 100 A, 3 poles for comprehensive three-phase protection.
• Voltage Suitability: Designed to operate at 480 V, aligning with common industrial power distribution standards.
• Industrial Application: Ideal for service, maintenance, and replacement projects that require a dependable, OEM-designed breaker.
• Compatibility Check: Verify fit by part number and application requirements to ensure seamless integration with your panel or gear.

Who this is for: maintenance teams, plant engineers, and panel technicians tasked with upgrading or replacing breakers in industrial electrical systems. If you’re updating a legacy installation, expanding a three-phase distribution, or stocking for routine service, the EH3-S100 provides a trusted Siemens solution that fits your workflow.

Why it matters: using the correct part number simplifies procurement and reduces downtime. The EH3-S100’s three-pole, 480 V design delivers coordinated protection across all three phases, helping guard equipment and minimize electrical faults that can halt production.

Practical tips:

• Always confirm compatibility by cross-checking the part number (EH3-S100) with your equipment’s requirements and voltage class before installation.
• Use this breaker in panels and switchgear rated for 480 V and three-phase operation to maintain system safety and performance.
• If you’re unsure about compatibility, reach out—our team can assist with part-number validation and application fit to keep projects on track.