Siemens | QJ2B080H | Circuit Breaker | 80A | 2-Pole | 240V

Meet the Siemens QJ2B080H Circuit Breaker—a dependable, purpose-built protection device designed for precise Siemens system compatibility. With its 2-pole configuration, 80-amp capacity, and 240-volt rating, it’s engineered for reliability in maintenance, retrofit, and replacement projects where exact part alignment matters.

Key specifications

• Amperage: 80 A
• Poles: 2-Pole
• Voltage: 240 V
• Compatibility note: Use the exact part number QJ2B080H to verify fit; cross-reference with your panel listing to ensure compatibility.

Why choose the Siemens QJ2B080H

• Precise compatibility: This breaker is specifically identified by the part number QJ2B080H, reducing guesswork during replacements and retrofits.
• Reliable two-pole protection: The 2-pole design ensures simultaneous disconnect and protection for both live conductors on 240V circuits, supporting safe multi-wire branch circuits.
• Clear upgrade path: Ideal for upgrading or refreshing existing Siemens panels that require the QJ2B080H specification, helping maintain system integrity and coordinated protection across the panel.

Use cases and practical applications

• Maintenance: Replace aging or failing breakers in Siemens panels with a component that matches the exact spec for dependable operation.
• Retrofit: Update circuits in retrofit projects where a precise 80A, 240V, 2-pole breaker is required to support new equipment or loads.
• Replacement: Use when the panel’s listings indicate QJ2B080H as the compatible part number to maintain listing compliance and electrical safety.

Important note: Before ordering, confirm fit and ratings for your specific installation. The part number is the best reference for compatibility, ensuring your protection system remains aligned with the manufacturer’s design and your panel’s listing.