Siemens ED43B080 80A 3P 480V Circuit Breaker, Bolt-On | AmpState

The Siemens ED43B080 Bolt-On Circuit Breaker is built for dependable protection in panelboards, load centers, and electrical distribution systems. Designed with retrofit and maintenance in mind, this 3-pole, 80 A device helps you keep critical infrastructure running smoothly while preserving a consistent part number for future service needs.

• Amperage: 80 A
• Poles: 3
• Voltage: 480 V
• Mounting: Bolt-On for secure, vibration-resistant installation
• Manufacturer: Siemens
• Part Number: ED43B080

What sets this ED43B080 apart is its practical design for real-world electrical work. The bolt-on construction delivers a robust, steady fit that simplifies field retrofits and replacements, reducing downtime in busy maintenance schedules. The three-pole configuration ensures synchronized de-energization across all phases, which is essential for safe maintenance and dependable circuit protection on 480 V systems.

Ideal for:

• Retrofit projects where the part number must remain consistent to avoid mismatches in stock and documentation
• Industrial and commercial panelboards and distribution centers requiring reliable 3P protection
• Maintenance planning where quick installation and secure mounting minimize downtime
• Electrical distribution schemes that operate at up to 480 V with an 80 A rating

Why choose this Siemens ED43B080 in your next project? It combines field-ready bolt-on mounting with precise Siemens engineering, delivering predictable performance and easy ongoing service. The explicit 3-pole design accommodates balanced fault interruption across all phases, helping protect connected equipment and prevent cascading electrical faults. The 480 V rating makes it suitable for a range of commercial and light-industrial applications, while the 80 A capacity covers medium-load circuits common in distribution panels.

Practical tips for installation and compatibility:

• Verify panelboard and bus compatibility with the ED43B080 part number before installation to ensure a proper fit.
• Plan maintenance around the bolt-on mounting to minimize panel access time and coordinate with other protective devices.
• Keep a readily accessible record of the ED43B080 in your maintenance logs to simplify future replacements and inspections.
• If you’re unsure about fit or application, AmpState offers guidance to confirm compatibility and ensure seamless procurement.

Ready support: Need help confirming that ED43B080 is the right choice for your panel or distribution setup? Message AmpState for expert confirmation of fit and compatible configurations.