Siemens HE43M025 25A 3-Pole 480 V Circuit Breaker

Meet the Siemens HE43M025 25A 3-Pole 480 V Circuit Breaker — a purpose-built protection device engineered for reliable performance in 3‑phase power systems. Crafted by Siemens, this breaker delivers precise current protection for demanding industrial and commercial applications, ensuring your equipment stays safe and operational.

Key specifications at a glance

• Current rating: 25 A
• Poles: 3 (three-pole) for 3‑phase circuits
• Voltage rating: 480 V
• Part Number: HE43M025

Why the HE43M025 stands out

• Three‑phase protection: Specifically designed to guard motors, compressors, pumps, and other 3‑phase equipment from overloads and electrical faults.
• Robust, practical design: Built to handle the rigors of industrial environments while maintaining dependable trip performance.
• Siemens engineering you can trust: A proven foundation for safe, predictable protection within Siemens panels and distribution systems.
• Clear compatibility with 3‑pole, 480 V installations: Optimized for setups that require a 25 A breaker in a three‑phase, 480 V network.

Ideal use cases

• Motor control circuits in manufacturing lines powered by 480 V three-phase supply
• HVAC and large equipment protection in commercial or industrial facilities
• Three‑phase feeders delivering reliable protection for data centers, laboratories, or production electrical rooms

Practical installation tips

• Verify that your system operates at 480 V and requires three poles for proper protection.
• Match the load’s operating current and surge characteristics to the 25 A rating to prevent nuisance trips while ensuring safety.
• Confirm mounting and panel compatibility within your Siemens electrical distribution setup to streamline replacement or upgrades.

Choose the Siemens HE43M025 25A 3-Pole 480 V Circuit Breaker for dependable, code-compliant protection that helps keep critical three‑phase equipment running smoothly. A reliable choice for engineers and technicians building or upgrading 480 V, three-phase systems.