Siemens | QJ3B080H | Circuit Breaker | 80A | 3-Pole | 240V | Bolt-On

Siemens QJ3B080H Circuit Breaker — 80A, 3-Pole, 240V, Bolt-On

Engineered for reliability in maintenance, retrofit, and replacement projects, this Siemens circuit breaker delivers precise protection where exact specifications matter. The QJ3B080H is a purpose-built solution designed to align with compatible Siemens panels and components, helping you keep electrical systems safe and compliant.

Key specifications

• Amperage: 80 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part reference: QJ3B080H (best compatibility reference)

Why this matters

The 3-pole, 240-volt configuration is designed to protect three-phase circuits or substantial 240V loads with dependable interruption. An 80A rating provides robust protection for wiring, motor controllers, and downstream equipment, helping to prevent damage from overloads and faults.

Ideal use cases

• Maintenance and service on Siemens panels requiring QJ-series bolt-on breakers
• Retrofit projects where exact amp rating and panel compatibility are essential
• Replacement for failed 3-pole 240V breakers in commercial or industrial electrical systems

Installation and compatibility notes

Bolt-on mounting offers a secure, vibration-resistant connection suitable for demanding environments. Before ordering, confirm fit and ratings match your panel and load requirements. The part number QJ3B080H is the most reliable reference to ensure compatibility with your system.

Why choose Siemens

Siemens breakers are known for precise tripping characteristics, sturdy construction, and long-term reliability. The QJ3B080H is designed to drop into compatible Siemens panels with the correct bus configuration, delivering predictable protection and straightforward integration into existing electrical architectures.