Siemens HEM3M050 Circuit Breaker, 50A, 3-Pole, 480V

The Siemens HEM3M050 Circuit Breaker is built to protect and power demanding three-phase systems in industrial environments. With a 50 A rating, 3 poles, and a 480 V capacity, this breaker delivers reliable overcurrent protection for critical equipment, distribution panels, and motor circuits in manufacturing plants, warehouses, and data centers.

Key specifications at a glance

• Brand: Siemens
• Part Number: HEM3M050
• Product Type: Circuit Breaker
• Amperage: 50 A
• Poles: 3
• Voltage: 480 V

Why this matters for your systems

Designed for industrial electrical service, maintenance, and replacement projects, the HEM3M050 provides robust protection for three-phase circuits operating at 480 V. Its three-pole configuration ensures coordinated shutdown across all phases, reducing equipment damage and downtime during fault conditions. This is a dependable, maintenance-friendly option for safeguarding motors, drives, and distribution equipment in rugged environments.

What sets it apart

• Exact-fit compatibility: Use the part number HEM3M050 to confirm compatibility with your panel and application requirements.
• Three-pole protection: Ideal for 3-phase systems, ensuring synchronized disconnection across all live conductors.
• Industrial-grade reliability: Built to withstand routine electrical service and replacement workflows in demanding settings.
• Simple integration: Designed to slot into standard Siemens-compatible equipment and distribution setups, streamlining maintenance and part replacement.

Ideal use cases

• Protection for 3-phase motors and drives in manufacturing lines
• Panel boards and switchgear serving heavy machinery
• Industrial electrical service upgrades and replacement projects
• Maintenance planning for facility power distribution in warehouses and data centers

How to verify fit and install with confidence

Before procurement, verify fit by part number and application requirements to ensure seamless integration with your existing gear. Confirm that your system voltage aligns with 480 V and that the 50 A rating matches the circuit’s current needs. If you’re unsure about compatibility or installation specifics, reach out for expert guidance and we’ll help confirm the right match for your setup.

Who should consider this breaker

• Electrical contractors performing industrial service work
• Facility and plant engineers responsible for reliability and uptime
• Maintenance teams replacing aging or failed breakers in 3-phase systems
• Electrical distributors stocking certified Siemens components for robust protection solutions