Siemens HFXD63B070L - 70 A, 600 V, 3-Pole Circuit Breaker | AmpState

Siemens HFXD63B070L is a 70A, 600V, 3-pole molded case circuit breaker crafted to deliver dependable branch circuit protection in panelboards and load centers. Designed for residential, commercial, and light industrial applications, this compact unit combines space-saving design with robust safeguarding for your electrical distribution system.

• Compact molded-case design minimizes panel footprint while maintaining reliable protection, helping you maximize space in crowded panels without sacrificing performance.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining a thermal overload element with a magnetic short-circuit trip for fast, decisive response when faults occur.
• 3-pole configuration protects three-phase circuits and ensures synchronized tripping across all conductors, reducing the risk of phase imbalance and equipment damage.
• 600V maximum voltage rating suited for a wide range of commercial and light industrial distribution environments, providing dependable performance in standard panelboard setups.
• OEM-compatible engineered to pair with matching Siemens load centers and panelboards, simplifying replacements, upgrades, and system coordination.

Technical specifications

• Amperage rating: 70A
• Voltage rating: 600V
• Number of poles: 3
• Breaker type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and settings

This breaker is a strong fit for upgrading or expanding panels in both new installations and existing systems. It shines in settings where three-phase feeders drive motors, HVAC controls, or lighting and power circuits in small to mid-size facilities. Because of its compact form and Siemens OEM compatibility, it’s an especially smart choice for panelboard refresh projects, subpanel installations, and practical replacements that require coordinated protection across multiple poles.

Compared to generic alternatives, the HFXD63B070L delivers precise, coordinated protection with a robust, space-efficient design that aligns with Siemens load centers and panelboards. Its thermal-magnetic trip mechanism provides consistent performance across varying loads and ambient conditions, helping prevent nuisance trips while maintaining swift response to genuine faults.

Ready to upgrade your distribution panel with trusted Siemens protection? The Siemens HFXD63B070L from AmpState offers genuine performance, straightforward compatibility, and a clear path to safer, more reliable electrical distribution.