Siemens HE43M020 20A 3-Pole 480 V Circuit Breaker

Engineered for reliability in demanding 3‑phase environments, the Siemens HE43M020 20A 3‑Pole 480 V Circuit Breaker protects your electrical distribution with precision and ease. This Siemens circuit breaker is built around a 20 A current rating and a 3‑pole design, suitable for 480 V three‑phase systems, making it a solid choice for industrial panels and equipment guarding against overloads and short circuits.

What makes it distinctive

• Exact compatibility with Siemens panels and equipment via Part Number HE43M020
• Three‑pole design disconnects all phases simultaneously for safe, predictable shutdown
• Optimized for 480 V three‑phase distribution, ideal for industrial machinery and control circuits
• 20 A current rating provides reliable protection for motors, drives, and other load centers

Practical applications

Use this breaker in commercial and industrial electrical panels where three‑phase loads operate at up to 480 V. It’s well‑suited for protecting motors, conveyors, HVAC units, and panel‑fed circuits in manufacturing floors, data centers, and large equipment rooms. The HE43M020 helps minimize downtime by ensuring prompt interruption during overloads, while maintaining safe operation for personnel and equipment.

Why choose Siemens HE43M020

• Trusted Siemens engineering and the specific HE43M020 part number for guaranteed fit and performance
• Clear, reliable current protection at 20 A for balanced three‑phase loads
• Designed for robust operation within 480 V distribution networks

Specifications

• Part Number: HE43M020
• Current Rating: 20 A
• Poles: 3
• Voltage Rating: 480 V

Installation and safety note: Ensure this breaker is installed in a panel that supports a 480 V three‑phase supply, with correct wiring practices and torque settings as per manufacturer guidelines. Replace if the device shows signs of wear, damage, or frequent tripping beyond normal operation.