Siemens HED43B030 - 30A, 3-Pole, Circuit Breaker

The Siemens HED43B030 is built for three‑phase power environments where protection and reliability matter. With a 30A rating and a 3‑pole design, it guarantees synchronized disconnection across all phases in fault conditions, helping prevent equipment damage and electrical hazards.

Designed for use in panelboards, switchboards, and control panels, this rugged breaker fits demanding industrial settings, commercial installations, and OEM assemblies that require dependable overcurrent protection. It’s a smart choice whenever three‑phase protection and safe operation in distribution panels and motor control centers are essential.

Key specifications

• Current rating: 30 A
• Poles: 3‑Pole
• Breaker type: Circuit Breaker

Why this 3‑pole breaker stands out

• Three‑pole geometry ensures simultaneous interruption of all live conductors, reducing the risk of arc or partial energization during faults.
• Engineered for reliable performance in distribution panels and motor control centers where three‑phase protection is critical.
• Designed to integrate with Siemens panelboards, switchboards, and control panels for a cohesive protection strategy across equipment fleets.

Practical use cases

• Three‑phase motors (pumps, fans, conveyors) and their starters in manufacturing environments.
• Distribution panels in facilities with multiple three‑phase loads requiring dependable protection.
• OEM equipment needing a robust, 30A three‑pole protection device as part of a larger electrical system.

Choosing the Siemens HED43B030 means opting for a protector that aligns with Siemens’ design philosophy: clear, predictable performance, easy integration with existing electrical architectures, and straightforward maintenance for motor control centers and distribution networks. This 30A, 3‑pole circuit breaker is a foundational element for safe, efficient, and compliant electrical systems.