Siemens HNXD63B100L - 100 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens HNXD63B100L, a rugged 100A, 600V, 3-pole bolt-on molded-case circuit breaker engineered for dependable branch-circuit protection in panelboards and load centers. Designed to endure demanding environments, this device delivers consistent protection for residential, commercial, and light-industrial electrical systems.

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays tight even in dynamic installations.
• Thermal-magnetic trip unit provides stable, repeatable protection against overloads and short circuits across varying temperatures and supply conditions.
• 3-pole design ideal for three-phase distribution, enabling reliable protection of multi-phase circuits.
• OEM-compatible with matching Siemens panelboards and load centers, simplifying replacement and refurbishment scenarios.
• Rated 100 A at up to 600 V for branch-circuit overcurrent and short-circuit protection in a wide range of applications.
• Type: thermal-magnetic molded case circuit breaker delivering a balanced blend of fast response and long-term stability.

Technical snapshot

• Part Number: HNXD63B100L
• Amperage Rating: 100 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the Siemens HNXD63B100L? Because it combines solid mechanical integrity with precise electrical protection. The bolt-on design reduces the risk of loose connections in environments subject to vibration, while the thermal-magnetic trip mechanism delivers reliable trips that you can count on when it matters most. This breaker is built to work in harmony with Siemens OEM load centers and panelboards, ensuring compatibility and straightforward installations during upgrades, maintenance, or new builds.

Ideal use scenarios

• Upgrading or replacing a failed 3-pole breaker in Siemens panelboards and load centers.
• Protecting three-phase distribution circuits in light commercial or industrial settings.
• Applications requiring a robust, vibration-resistant bolt-on solution for reliable long-term performance.

In short, the Siemens HNXD63B100L is a purpose-built, high-reliability 3-pole bolt-on MCCB that delivers dependable branch-circuit protection for a range of residential, commercial, and light-industrial applications. Its secure mounting, stable thermal-magnetic protection, and OEM compatibility help you protect assets, reduce downtime, and simplify panel maintenance.