Siemens HED42B070L - 70 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens HED42B070L is a 70A, 480V, 2-pole bolt-on molded case circuit breaker designed to safeguard your electrical distribution with precision. Built for dependable branch-circuit overcurrent and short-circuit protection, it fits seamlessly in panelboards and load centers, delivering reliable performance where it matters most.

• Bolt-on mounting for a secure, vibration-resistant connection: the bolt-on design ensures a rigid bus connection that stays tight in environments prone to vibration or mechanical movement.
• Thermal-magnetic trip unit for stable protection: delivers repeatable protection characteristics, combining fast short-circuit response with dependable thermal protection to minimize nuisance trips.
• Siemens compatibility: specifically engineered to be compatible with matching OEM load centers and panelboards, simplifying replacements and upgrades without compatibility concerns.
• Performance tailored to real-world circuits: 70A rating at 480V, 2-pole configuration makes it an ideal choice for feeders and branch circuits in commercial, residential, and light industrial settings.
• Versatile application range: suitable for a wide array of installations—from equipment feeds in commercial spaces to protection for electrical distribution in light industrial environments.

Ideal for electricians, facility managers, and maintenance teams seeking a reliable, code-compliant breaker that integrates smoothly with existing Siemens gear and stands up to the demands of everyday operation.

Use cases and scenarios include protecting motor feeders, lighting circuits, HVAC controls, and other branch circuits where a precise 70A, 480V, 2-pole solution is needed. The bolt-on design simplifies retrofit projects in older panelboards or when upgrading to higher amperage protection without replacing the entire enclosure.

• a robust, vibration-resistant connection, predictable thermal-magnetic protection, and explicit compatibility with Siemens OEM panels—delivering a cohesive, reliable protection solution.

• Manufacturer: Siemens
• Part Number: HED42B070L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70 A
• Voltage Rating: 480 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection