Siemens HMX3G800 800A 3-Pole 600 V Circuit Breaker Potential Transformer

Meet the Siemens HMX3G800 800A 3-Pole 600 V Circuit Breaker — a purpose-built protection device engineered for demanding industrial power distribution. With an 800 A current rating, three poles, and a 600 V rating, this breaker delivers dependable protection for large-panel and switchgear applications while integrating smoothly with Siemens protection architectures and metering needs.

Why the HMX3G800 stands out

• High-current protection — 800 A capacity supports substantial loads in industrial settings, reducing the risk of nuisance tripping while safeguarding equipment.
• Three-pole configuration for balanced, coordinated protection across phases in 3-phase systems.
• 600 V voltage rating aligned with common industrial low-voltage distribution networks, simplifying system design and compatibility.
• Integrated potential transformer compatibility — designed to work with protection relays and metering circuits, enabling direct sensing and streamlined wiring for monitoring and analytics.
• Clear part identification — Part Number HMX3G800 ensures precise procurement, easy replacement, and consistent stock management within Siemens ecosystems.
• Reliability you can trust — built to endure the rigors of continuous operation in harsh industrial environments, backed by Siemens engineering heritage.

Ideal use scenarios

• Large-scale distribution panels in manufacturing facilities, where robust protection and reliable operation are critical.
• Data centers or critical infrastructure with high electrical loads needing precise monitoring and protection integration.
• HVAC and plant systems that require coordinated, three-phase protection with straightforward integration into Siemens switchgear.
• retrofit projects where a Siemens HMX3G800 fits seamlessly with existing HMX-family components and panel assemblies.

Specifications at a glance

• Current rating: 800 A
• Poles: 3
• Voltage rating: 600 V
• Part Number: HMX3G800
• Product type: Circuit breaker with potential transformer compatibility options

Installation and practical notes

Plan for straightforward integration within Siemens-compatible switchgear and panel boards. Verify wiring practices align with your facility’s electrical codes, ensure proper insulation and isolation during maintenance, and confirm compatibility with your protection relays and metering setup to maximize the benefits of the potential transformer integration.

Upgrade your power protection with the Siemens HMX3G800 — a high-capacity, reliable solution that aligns with modern protection schemes and simplifies procurement and maintenance for mid-to-high power distribution environments.