Siemens ED43B035 - 35 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens ED43B035 — 35A, 480V, 3-Pole Bolt-On Molded Case Circuit Breaker

The Siemens ED43B035 is a rugged 3-pole, 35A molded case circuit breaker engineered for reliable branch circuit protection in panelboards and load centers. Designed for commercial, residential, and light industrial applications, this bolt-on unit delivers steadfast safety and performance where it matters most.

Key benefits that set ED43B035 apart

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus, reducing movement and arcing risk in demanding environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection by reacting to both overcurrent and short-circuit conditions, with characteristic behavior that adapts to varying temperatures and fault currents.
• Three-pole, 480V rating ideal for three-phase distribution in commercial facilities and light industrial settings, ensuring appropriate protection for higher voltage systems.
• OEM-compatible designed to pair with matching Siemens OEM load centers and panelboards for seamless integration and reliable performance.
• Targeted protection specifically addressing branch circuit overcurrent and short-circuit scenarios, helping to minimize damage and downtime.

Technical specifications at a glance

• Manufacturer: Siemens
• Part Number: ED43B035
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 35A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and installation scenarios

Use the ED43B035 as the dedicated protection device for three-phase feeders in commercial offices, retail spaces, data centers, and light industrial equipment rooms. Its bolt-on design makes it a robust choice for panelboards and load centers where vibration, temperature fluctuations, or frequent panel maintenance are considerations. Whether upgrading an existing system or assembling a new distribution panel, this breaker provides precise trip characteristics and dependable performance.

Why choose this Siemens 3‑pole breaker

• Reliability in motion-prone environments thanks to secure bolt-on mounting that maintains a solid electrical connection even under vibrations.
• Predictable protection through a thermal-magnetic trip that responds quickly to faults while avoiding nuisance trips from normal transient currents.
• Seamless compatibility with Siemens OEM panelboards and load centers, streamlining installation and serviceability.

Who is this breaker for?

• Electrical contractors and panel builders seeking a dependable, high-visibility 3-pole breaker for 480V systems.
• Facility managers overseeing commercial or light industrial electrical distribution who need robust branch circuit protection.
• Renovation or retrofit projects where bolt-on stability and compatibility with existing Siemens equipment are priorities.