Siemens 3VA5170-5EC31-0AA0 Circuit Breaker, 70A, 3-Pole, 600V

The Siemens 3VA5170-5EC31-0AA0 is a rugged, reliable circuit breaker crafted for demanding industrial environments. With a 70 A current rating and three poles, this unit provides solid 3-phase protection for electrical distributions, motor feeders, and control circuits. As part of the Siemens 3VA5 series, it’s engineered to integrate seamlessly with existing Siemens protection schemes and compatible assemblies, delivering dependable performance when it matters most.

Key benefits

• Three-pole protection for balanced 3‑phase systems—helps safeguard motors, compressors, and other three-phase equipment from overloads and short circuits.
• 70 A nominal current rating—adequate headroom for moderate-to-heavy load applications while maintaining precise protection.
• 600 V maximum voltage rating—suitable for many industrial power distribution setups and control circuits.
• Part of the Siemens 3VA5 family—designed for compatibility with Siemens panels, accessories, and protection components, simplifying replacement and maintenance planning.
• Designed for service, maintenance, and replacement projects—a practical choice when upgrading or refreshing aging protection in established installations.

Ideal applications and use cases

• Industrial motor control centers and equipment feeders where reliable three‑phase protection is essential.
• Distribution panels and electrical rooms in manufacturing, processing, and packaging facilities.
• Maintenance and retrofit projects that require a compatible Siemens replacement for legacy 3VA5 components.

Compatibility and verification

• Model and part number—3VA5170-5EC31-0AA0. Verify fit by part number and application requirements to ensure seamless integration with your existing panel or enclosure.
• Compatibility check—If you’re unsure about fit, we can assist with matching part numbers to your specific panel schedule and protection scheme. Message us for compatibility support.

Technical specs at a glance

• Current rating: 70 A
• Poles: 3
• Voltage: 600 V
• Series: 3VA5
• Part number: 3VA5170-5EC31-0AA0

Notes: This component is intended for industrial service and replacement work. Verify fit by part number and application needs before ordering. If you need help confirming compatibility or matching this breaker to your panel, just reach out—we’re ready to assist with precise, tailored guidance.