Siemens | QJ3B080HL | Circuit Breaker | 80A | 3-Pole | 240V

The Siemens QJ3B080HL circuit breaker is a robust, three-pole protection device designed for 240V systems. With an 80A rating, it provides reliable overcurrent protection in maintenance, retrofit, and replacement projects where exact specifications matter. Built to align with Siemens panel architectures, this unit is the precise match you need when continuity and safety are non-negotiable.

Key specifications

• Amperage: 80A
• Poles: 3-Pole
• Voltage rating: 240V
• Part number: QJ3B080HL
• Reference for compatibility: The part number is the best reference to ensure a correct fit.

Why this Siemens breaker stands out

Choosing the QJ3B080HL means prioritizing compatibility and reliability in three‑phase distribution environments. Designed to integrate seamlessly with Siemens panels and upstream equipment, it helps you maintain consistent electrical protection across your system. Rather than generic substitutes, this unit preserves the protective characteristics and coordination you expect from the Siemens QJ3B family—minimizing rework and ensuring predictable performance under fault conditions.

Ideal use cases

• Maintenance tasks on existing Siemens installations that require a precise 3‑pole, 80A, 240V replacement.
• Retrofit projects where upgrading to a modern protection device calls for an exact Siemens-compatible part number.
• Three‑phase distribution panels in industrial or commercial settings needing reliable circuit protection for high‑load circuits.

Installation and compatibility tips

• Always confirm fit and ratings before ordering — use the part number QJ3B080HL as the primary compatibility reference.
• Check that your panel labeling supports 3‑pole 240V protection and that the breaker is intended for Siemens QJ3B series applications.
• During installation, follow proper lockout/tagout procedures and ensure the circuit is de-energized before handling the device.

What to expect in performance and safety

When installed correctly, the Siemens QJ3B080HL provides dependable overcurrent protection for three concurrent conductors, helping prevent equipment damage and unplanned downtime. Its design supports consistent trip characteristics and coordination with upstream protection schemes, giving you peace of mind in daily operation and during fault events.