Siemens HE43M030 30A 3-Pole 480 V Circuit Breaker

Protect valuable equipment in 3‑phase 480 V systems with the Siemens HE43M030 30A 3-Pole 480 V Circuit Breaker. Designed for reliability in demanding environments, this Siemens part delivers clean, decisive interruption when faults or overloads occur, safeguarding motors, drives, and control circuits. The part number HE43M030 makes it a precise fit for compatible Siemens panels and distribution systems, making it an ideal choice for upgrades or new installations.

Why the HE43M030 stands out

• Three-pole design ensures simultaneous isolation of all live conductors in a fault, reducing residual voltage and wiring damage.
• 30 A current rating provides targeted protection for motors, drives, and control circuits without unnecessary nuisance trips.
• 480 V voltage rating accommodates common industrial distribution schemes (480V systems and related configurations).
• Built on Siemens engineering standards for consistent, dependable performance in panel boards and switchgear.
• Plug-in compatibility with Siemens enclosures that accept HE-series breakers, simplifying replacements and retrofits.

Ideal use cases

This breaker is suited for commercial and light-industrial environments where robust three‑phase protection is essential. Typical applications include:

• Motor circuits for conveyors, pumps, fans, and other equipment in manufacturing or processing facilities.
• HVAC systems and climate control infrastructure in large buildings using 480 V distribution.
• Power distribution panels in data centers, laboratories, and workshops requiring reliable three‑phase protection.

Key specifications

• Current rating: 30 A
• Poles: 3
• Voltage rating: 480 V
• Part number: HE43M030

Installation and safety tips

Ensure proper performance by installing according to the panel manufacturer’s instructions and local electrical codes. Confirm panel compatibility for the HE43M030 and follow appropriate torque specifications for terminal connections. Use the same rating and type when servicing or replacing to maintain consistent protection across the system.

Why choose this Siemens circuit breaker?

Opting for the Siemens HE43M030 means a dependable, widely supported protection solution for 3‑phase 480 V systems. It helps minimize downtime by reliably interrupting fault currents, protects expensive equipment, and supports straightforward maintenance and replacements in professional electrical installations.