Siemens HED42B035 - 35 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens HED42B035, a 35A, 480V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for tough environments, it offers a secure, vibration-resistant connection and precise protection where it matters most.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays tight in demanding installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance, with fast magnetic response for high fault currents and reliable thermal protection for continuous loading.
• Designed for compatibility with matching OEM loadcenters and panelboards, ensuring a seamless fit and consistent protection across your system.
• Versatile application suitable for residential, commercial, and light industrial environments, offering robust protection for a variety of circuits.

Key specifications at a glance

• Manufacturer: Siemens
• Part number: HED42B035
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 35 A
• Voltage rating: 480 V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical scenarios

Use the HED42B035 to protect branch circuits in Siemens-load centers or compatible OEM panelboards where 480V systems and 35A circuits are common. It's a solid choice for:

• Commercial lighting and receptacle circuits in offices, retail spaces, and service rooms
• HVAC control and equipment feeders in small to mid-size installations
• Light industrial equipment feeders where reliable short-circuit protection is essential

How it helps your electrical distribution

With a bolt-on connection, this breaker reduces the risk of loose bus bar connections that can occur with less-secure mounting methods. The thermal-magnetic protection curve provides predictable trips under varying loads, simplifying panel design and maintenance while helping you meet code-based protection requirements.

In short, the Siemens HED42B035 is a purpose-built solution for dependable, code-compliant protection in panelboards and loadcenters that demand a robust, bolt-on 2-pole breaker at 480V and 35A. It’s engineered to integrate smoothly with your existing Siemens infrastructure and compatible OEM systems, delivering clarity of protection and peace of mind for a wide range of residential, commercial, and light industrial applications.