Siemens | QJH23B080 | Circuit Breaker | 80A | 3-Pole | 240V | 22kA | Bolt-On

Siemens QJH23B080 Circuit Breaker — a heavy-duty 80 A, 3-Pole, 240 V bolt-on protection device designed for reliability in commercial and industrial electrical panels. Engineered for maintenance, retrofit, and replacement projects, this unit is identified by the part number QJH23B080, the most dependable reference when confirming compatibility with Siemens enclosures or other compatible panels.

• Amperage: 80 A
• Poles: 3-Pole
• Voltage: 240 V
• Interrupting Rating: 22 kA
• Mounting: Bolt-On

Designed for real-world panel work

This Siemens circuit breaker is purpose-built for scenarios where a secure, stable protection device is required during panel upgrades, retrofits, or direct replacements. The bolt-on design ensures a solid mechanical connection to compatible panels, making installation and future maintenance straightforward, even in busy electrical rooms.

Who needs this model

• Maintenance technicians performing scheduled service on Siemens or compatible enclosures
• Retrofit projects upgrading existing panels to meet new load requirements
• Replacement tasks where exact specs (80 A, 3-Pole, 240 V, 22 kA) are mandatory

Why the QJH23B080 matters for your protection plan

Having the exact part number—QJH23B080—ensures you’re selecting a breaker that matches the panel’s interrupting capacity and physical fit. The 22 kA interrupting rating provides robust short-circuit protection for demanding applications, while the 3-Pole configuration supports three-phase systems commonly found in commercial infrastructure. The 240 V rating aligns with standard European and North American 3-phase distributions, making this unit a versatile choice for compatible installations.

Practical guidance for ordering and installation

• Always confirm fit and ratings with the panel manufacturer or catalog using the QJH23B080 part number before ordering.
• Ensure your panel accepts a Bolt-On breaker of the specified 3-Pole, 240 V, 80 A configuration.
• Prepare for straightforward replacement by inspecting mounting hardware and enclosure clearance prior to installation.

When you need a dependable 3-pole protection solution that aligns with Siemens specifications and supports retrofit or replacement workflows, the Siemens QJH23B080 circuit breaker delivers precise performance and reliable protection for your electrical system.