Siemens HED42B100 100A 2P 480V Circuit Breaker, Bolt-On | AmpState

The Siemens HED42B100 is a purpose-built, 100 A, 2-pole circuit breaker designed to deliver reliable overcurrent protection in panelboards, load centers, and electrical distribution systems. With bolt-on mounting, installation and field replacement are straightforward, minimizing downtime and simplifying panel upgrades for technicians and installers.

• Part number: HED42B100
• Amperage: 100 A
• Poles: 2
• Voltage rating: 480 V
• Mounting style: Bolt-On
• Applications: Panelboards, load centers, and electrical distribution setups

Why this matters in real-world setups:

• Exact part-number match ensures compatibility with Siemens panels and existing distribution hardware, reducing guesswork during replacements or upgrades.
• Bolt-On design speeds up installation and service, making it a practical choice for maintenance teams and panel builders who value time-saving, secure mounting.
• Rated for 480 V systems, it provides robust protection for mid- to large-scale electrical installations—industrial, commercial, and facilities environments alike.
• Compact 2-pole configuration delivers focused protection where two conductors require coordinated disconnection, helping protect equipment and wiring from overcurrent conditions.

Ideal for:

• Maintenance teams performing routine replacements or stocking spare inventory with exact-part requirements
• Panel builders assembling or refurbishing distribution panels that rely on direct part-number compatibility
• Facilities managers overseeing electrical distribution where consistent, reliable breakers are essential

Practical considerations and tips:

• Confirm that your distribution panel or load center specifies the HED42B100 as the correct bolt-on 2-pole 100 A, 480 V option to avoid mismatches during commissioning.
• Keep a few spare HED42B100 units in inventory to streamline replacements and minimize downtime during outages or maintenance windows.
• If you’re unsure about fit or compatibility, AmpState offers assistance to verify part-number accuracy and fitment against your equipment—the team can help confirm compatibility and provide confirmation of a direct match.

Designed for durability and dependable protection, the Siemens HED42B100 helps you maintain safe, efficient electrical distribution across panelboards and load centers. Ready to empower your electrical infrastructure with a trusted Siemens solution? AmpState has you covered with available stock and expert compatibility support.