Siemens | HEM3M030 | Circuit Breaker | 30A | 3-Pole | 480V | Bolt-On

The Siemens HEM3M030 30A, 3‑pole circuit breaker is purposefully designed to protect 480V, three‑phase electrical systems. Featuring bolt‑on mounting for secure, field‑serviceable installation, it’s an ideal solution for maintenance, retrofit, and replacement scenarios where exact specifications matter.

Key specifications you’ll rely on

• Amperage: 30A
• Poles: 3‑Pole
• Voltage rating: 480V
• Mounting style: Bolt‑On

Why it’s the right choice for real‑world electrical protection

When your panel or distribution line operates at 480V with a 3‑phase load, the HEM3M030 delivers precise overcurrent protection that aligns with industrial standards. The bolt‑on design simplifies installation and field service, reducing downtime during maintenance or retrofits. This breaker is built to endure typical industrial environments, providing consistent performance where reliability matters most.

Ideal use cases

• Maintenance and service upgrades for existing 3‑phase 480V panels
• Retrofits where a direct part number match is required for compatibility
• Replacement of worn or failing breakers in Siemens‑compatible systems
• New installations that demand a trusted Siemens 3‑pole, 480V protection device

How to verify compatibility and order with confidence

• Confirm fit and ratings before placing the order — match the panel’s specification to ensure correct operation.
• Use the part number HEM3M030 as the primary reference to verify compatibility with your Siemens system.
• Ensure your application is 480V and three‑phase to align with the device’s rating and configuration.

Practical guidance for installation and care

• Prepare for a secure bolt‑on mounting by checking panel knockouts and mounting hardware compatibility.
• During installation, re‑verify electrical connections and torque requirements per panel guidelines to maintain reliable protection.
• Keep a spare HEM3M030 on hand for quick replacements during planned maintenance or retrofit cycles.

Choose the Siemens HEM3M030 when you need a precise, reliable 30A, 3‑pole circuit breaker that fits 480V three‑phase systems. Its bolt‑on design, combined with Siemens’ proven engineering, supports efficient maintenance, accurate retrofits, and dependable replacements—delivering real‑world value for industrial and commercial electrical installations.