Siemens 3VA5110-5EC31-0AA0 Circuit Breaker, 100A, 3-Pole, 690V

The Siemens 3VA5110-5EC31-0AA0 is an industrial-grade circuit breaker engineered to protect three‑phase power distribution in demanding environments. With a 100 A rating, 3 poles, and a voltage rating of up to 690 V, this device provides dependable overload and short‑circuit protection for critical equipment, manufacturing lines, and distribution panels.

Key benefits that matter in the field

• Three‑phase protection for balanced loads across motor drives, conveyors, and industrial machinery, reducing the risk of cascading faults.
• High-voltage capability up to 690 V to align with common industrial distribution standards, enabling safer, centralized protection in factories and data centers that use higher voltages.
• Reliable industrial performance from Siemens, a name trusted for durable, field-proven protection components designed to minimize downtime.
• Replacement-friendly design for maintenance programs and retrofit projects, helping you upgrade aging gear without overhauling entire panels.
• Clear compatibility guidance—verify fit by the exact part number 3VA5110-5EC31-0AA0 to ensure it matches your application requirements and panel specifications.

Ideal use cases

• Main service protection and distribution panel upgrades in industrial facilities
• Motor control centers and three-phase feeders where reliable interruption protection is essential
• Maintenance projects involving replacement of aging MCCBs in high‑voltage setups
• Facilities seeking a robust, code‑compliant solution for safeguarding critical loads against faults

Why this model stands out

What sets the 3VA5110-5EC31-0AA0 apart is its combination of three-pole configuration, 100 A current rating, and a 690 V maximum voltage—a pairing that supports reliable protection across diverse industrial applications. The part number itself serves as the quickest path to compatibility verification, helping you confirm that this exact breaker matches your equipment and installation requirements.

Practical guidance for procurement and installation

• Use the exact part number 3VA5110-5EC31-0AA0 when confirming fit with your panel, motor controller, or distribution system.
• Plan for three‑phase protection in facilities with three‑phase motors or loads to ensure balanced fault protection.
• Coordinate with maintenance schedules to replace aging breakers before faults happen, reducing unplanned downtime.
• If you’re unsure about compatibility, reach out with your application details and we’ll help verify fit against your specific equipment and panel requirements.