Siemens QJ23B080 - 80 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens QJ23B080—a robust 3-pole bolt-on molded case circuit breaker designed to shield your electrical system from overcurrent and short-circuit risks. With an 80 A rating and 240 V capacity, this unit is engineered for dependable protection in panelboards and loadcenters across residential, commercial, and light industrial environments.

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, reducing the chance of loosened terminations in busy, demanding installations.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding precisely to overload and short-circuit conditions, helping to minimize nuisance trips while preserving circuit safety.
• 3-pole design protects all three hot conductors in 3-phase systems, ensuring synchronized interruption and enhanced protection for multi-phase loads.
• OEM-compatible designed to pair with matching Siemens OEM load centers and panelboards for straightforward replacements and streamlined maintenance.
• Versatile across sectors ideal for residential panelboards, commercial service entrances, and light industrial electrical distributions where reliable branch-circuit protection is essential.

Technical snapshot

• Manufacturer: Siemens
• Part number: QJ23B080
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 80 A
• Voltage rating: 240 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the Siemens QJ23B080? electricians and electrical contractors seeking a reliable, industry-standard solution for controlling and protecting distributed loads in panels. Building managers upgrading or expanding panelboards will appreciate the compatibility, consistent trip characteristics, and ease of installation that this unit offers. If you require a trusted, purpose-built breaker that aligns with Siemens OEM equipment and delivers dependable protection for 3-phase and single-phase branch circuits, the QJ23B080 is a practical, proven choice.

Tip for installation and use: verify your panelboard compatibility with the QJ series bolt-on breakers and ensure torque specifications and mounting clearances meet your local electrical code requirements. With AmpState stocking Siemens QJ23B080, you’ll have timely access to a breaker that pairs performance with long-term reliability for everyday electrical protection.