Siemens CFD63B080 - 80 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Siemens CFD63B080 is a reliable 3-pole bolt-on molded case circuit breaker designed to protect your electrical system with precision. Rated at 80A and 600V, it provides dependable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters in both new configurations and retrofit projects.

• Secure bolt-on mounting: Creates a rigid, vibration-resistant bus connection that stays dependable even in environments with movement or vibration.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by combining a thermal element for sustained overloads with a magnetic element for fast response to short circuits.
• 3-pole configuration: Suitable for three-phase circuits and common-trip protection across all poles, helping to safeguard multi-wire systems and three-phase loads.
• OEM-compatible design: Engineered to work with matching Siemens OEM load centers and panelboards, making replacements and upgrades straightforward and reliable.
• Versatile application: Ideal for residential, commercial, and light industrial electrical protection, delivering consistent performance across a range of settings.
• Robust molded-case construction: Provides compact, durable protection that fits neatly into standard panelboard footprints while maintaining safety and reliability.

Technical snapshot

• Amperage rating: 80 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Part number: CFD63B080

Key use cases include upgrading aging panelboards, adding reliable protection for new three-phase distribution in commercial spaces, or serving as a ready replacement for compatible Siemens panels. When selecting this breaker, ensure compatibility with your OEM load center and follow the panel manufacturer’s torque and installation guidelines for a secure, long-lasting fit. If you’re aiming for dependable, trip-on-demand protection with solid mechanical stability, the Siemens CFD63B080 delivers a precise, purpose-built solution for your electrical system.