Siemens HED42B030 - 30 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens HED42B030 - 30A, 480V, 2-pole bolt-on molded case circuit breaker is engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliability across residential, commercial, and light industrial applications, it provides consistent protection where uptime matters.

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays reliable even in harsh environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance, responding quickly to both sustained overloads and short circuits.
• OEM compatibility designed to work with matching Siemens loadcenters and panelboards for a seamless fit and streamlined replacement.
• 2-pole, 30A, 480V configuration provides targeted protection for 480V circuits while maintaining clean, organized panel layouts.

This bolt-on molded case breaker is ideal for electricians performing panel upgrades, service panel maintenance, or new installations where secure mounting and precise protection curves are essential. The HED42B030 helps minimize nuisance trips in normal operation and ensures rapid interruption when a fault occurs, safeguarding wiring, devices, and downstream equipment.

Key specifications

• Manufacturer: Siemens
• Part number: HED42B030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 30A
• Voltage rating: 480V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

With its robust bolt-on design and Siemens engineering, this breaker is a practical choice for any panelboard or loadcenter update that requires dependable protection at 480V. It’s a targeted, efficient solution for ensuring electrical safety and system reliability in both new builds and upgrades.