Siemens 3VA5170-1MH31-0AA0 Circuit Breaker, 70A, 3-Pole, 600V

Siemens 3VA5170-1MH31-0AA0 is a rugged three-pole circuit breaker purpose-built for industrial electrical service, maintenance, and replacement projects. With a 70 A rating and a 600 V maximum, it delivers dependable overcurrent protection for demanding three‑phase systems in industrial environments.

Key specifications

• Part number: 3VA5170-1MH31-0AA0
• Amperage: 70 A
• Poles: 3
• Voltage rating: 600 V

What makes this model stand out

• Designed for industrial panels and distribution boards, it provides fast, predictable tripping to protect motors, drives, and conveyors from overloads.
• Three‑pole configuration ensures balanced protection across all phases, which is essential for reliable operation of motor loads and equipment sensitive to phase imbalances.
• Backed by Siemens’ reliability and compatibility within Siemens electrical systems, simplifying installation, maintenance, and future upgrades.
• Compatibility can be verified by the part number 3VA5170-1MH31-0AA0 to ensure it fits your specific panel or enclosure before purchase.

Use cases and ideal applications

• New installations in industrial service panels requiring 3‑phase protection up to 600 V.
• Maintenance and replacement of aging distribution circuits in manufacturing facilities.
• Motor control centers, conveyors, pumps, and HVAC systems in industrial settings where reliable interruption protection is critical.

Practical tips for installation and compatibility

To ensure a correct fit, verify the part number 3VA5170-1MH31-0AA0 against your application requirements, including panel compatibility, mounting style, and bus bar connections. If you’re unsure, we can help confirm compatibility based on your specific equipment and enclosure.

Need assistance confirming compatibility or selecting the right breaker for your Siemens system? Send us a message and we’ll guide you through part-number verification and suitability for your application.