Siemens NEB3B080B - 80 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens NEB3B080B, a purpose-built 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With robust thermal-magnetic protection and a secure bolt-on mounting, this breaker is engineered for quiet, reliable performance in demanding electrical environments.

Why this 3-pole bolt-on MCCB stands out

• Rigid, vibration-resistant bus connection. Secure bolt-on mounting minimizes movement and ensures consistent electrical contact, even in installations with vibration or frequent panel access.
• Thermal-magnetic trip unit. Combines precise current-based thermal protection with fast magnetic response to short circuits, providing stable, repeatable protection across varying loads.
• OEM-compatible design. Specifically designed to integrate with matching Siemens OEM load centers and panelboards, helping simplify replacements and new installations alike.
• Versatile for multiple sectors. Suitable for residential, commercial, and light industrial applications where reliable overcurrent protection is essential.

Technical snapshot

• Manufacturer: Siemens
• Part Number: NEB3B080B
• Amperage Rating: 80 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Applications: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Ideal use cases

• Replacing a failed 3-pole breaker in Siemens-based panelboards or compatible OEM systems.
• Upgrading electrical protection for commercial spaces that rely on stable, repeatable trip performance.
• Installing in light industrial panels where reliable bolt-on mounting reduces maintenance and vibration concerns.

What problems it solves

• Prevents nuisance trips by combining precise thermal protection with fast magnetic response to overloads and short circuits.
• Maintains solid, low-resistance connections in environments where vibration or panel access could loosen other mounting styles.
• Ensures seamless compatibility with Siemens panelboards, reducing installation complexity and downtime.

Choose the Siemens NEB3B080B for a robust, industry-proven solution that protects electrical systems while simplifying maintenance and replacement in residential, commercial, and light industrial settings. Integrated with AmpState inventory, it’s ready to ship to keep your panels dependable and compliant.