Siemens ED42B080L - 80 A, 480 V, 2-Pole Circuit Breaker | AmpState

Siemens ED42B080L is a dependable 2-pole molded case circuit breaker rated for 80A and 480V, engineered to protect your panelboards and load centers from overcurrent and short circuits. Built for steady, reliable performance in diverse electrical environments, this breaker helps keep critical circuits safe in both new installations and upgrades.

• Compact molded case design — maximizing panel space without compromising protection. The streamlined form factor is ideal for densely packed electrical panels, helping you fit more circuits in a cleaner, organized layout.
• Thermal-magnetic trip unit — delivers stable, repeatable protection by automatically coordinating overload and short-circuit responses across temperature variations. This means predictable trips you can rely on when demand spikes or ambient conditions shift.
• 2-pole, 80A, 480V rating — specifically designed to protect two hot legs in higher voltage residential, commercial, and light industrial applications, providing robust branch circuit protection for demanding equipment and loads.
• OEM-compatible performance — engineered to be compatible with matching Siemens OEM load Centers and panelboards, ensuring seamless integration and coordinated protection across your system.
• Versatile application — an excellent choice for panel installations in homes, small businesses, and light industrial environments where reliable circuit protection and space efficiency matter.

This molded case circuit breaker is purpose-built for branch circuit overcurrent and short-circuit protection, making it a practical upgrade for aging panels or a solid standard for new builds. With the Siemens ED42B080L, you get precise trip behavior, compact footprint, and dependable performance tailored to 480V systems and 2-pole configurations. Ideal for electricians and facilities managers looking to maintain safe, compliant, and efficient electrical infrastructure.

Technical snapshot
Manufacturer: Siemens
Part Number: ED42B080L
Type: Thermal-magnetic molded case circuit breaker
Amperage Rating: 80A
Voltage Rating: 480V
Number of Poles: 2
Application: Branch circuit overcurrent and short-circuit protection

Whether you're upgrading an existing panel or equipping a new installation, the ED42B080L delivers precise protection with a space-conscious design. Ensure it matches your panel’s specifications and follow local electrical codes for a safe, compliant setup.