Siemens HED43M020 Circuit Breaker, 20A, 3-Pole, 480V

Designed for rugged industrial protection, the Siemens HED43M020 is a 20 A, 3-pole circuit breaker rated for 480 V. This unit is purpose-built for industrial electrical service, maintenance, and replacement projects, providing reliable protection for three‑phase circuits in demanding environments.

• Amperage: 20 A
• Poles: 3-pole
• Voltage: 480 V
• Manufacturer: Siemens
• Part number: HED43M020

Ideal applications

• Three-phase power distribution in industrial panels and equipment
• Control circuits for manufacturing machinery and HVAC systems
• Maintenance and retrofit projects where the HED43M020 matches the installation requirements

Compatibility and verification

To confirm fit, verify the part number HED43M020 against your panel labeling and application requirements. If you need help matching a part number or confirming compatibility, message us and we’ll assist with a precise check.

Why choose this Siemens breaker

• Directly specified for Siemens systems and assemblies requiring a 3-pole, 480 V device
• Clear 20 A protection for circuits in industrial environments, supporting reliable operation of connected equipment
• Straightforward replacement in compatible industrial electrical setups, reducing downtime during maintenance

When selecting protection for your industrial install, ensure the exact part number HED43M020 aligns with your system’s specifications and application needs. If you’re coordinating replacements or new installs, this Siemens circuit breaker offers a dependable, compatible option for 3‑phase 480 V circuits.