Siemens ED41B090 - 90 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens ED41B090, a 90A, 120V, 1-pole bolt-on molded case circuit breaker designed to safeguard every branch circuit with precision. Engineered for reliability in panelboards and load centers, this breaker delivers consistent overcurrent and short-circuit protection across residential, commercial, and light-industrial environments. When installation clarity and dependable performance matter, the ED41B090 stands up to the task.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping prevent loose contacts and arcing in demanding panels.
• Thermal-magnetic trip unit combines stable overload protection with instantaneous short-circuit disconnection, delivering predictable, repeatable protection across varying loads.
• Compatibility with OEM panels ensures straightforward replacement in matched load centers and panelboards, reducing install time and preserving system integrity.
• Versatile, single-pole design suits a wide range of branch circuits in homes, offices, retail spaces, and light-industrial applications that require solid 90A protection at 120V.

Technical snapshot

• Manufacturer: Siemens
• Part number: ED41B090
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 90A
• Voltage rating: 120V
• Poles: 1
• Mounting style: Bolt-on
• Applications: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• New installations or panel upgrades in single-phase residential panels where a robust 90A protection point is needed.
• Repairs or replacements in commercial load centers that require a dependable bolt-on connection for long-term stability.
• Light-industrial circuits where consistent thermal-magnetic protection minimizes nuisance trips and enhances safety.
• Retrofits in existing Siemens-based systems that emphasize OEM compatibility and seamless integration.

Practical guidance for maximum value

• Leverage the bolt-on design when panel vibrations or structural movement are a concern, as it provides a more secure connection than snap-in alternatives.
• Pair this breaker with matching Siemens load centers to maintain coordinated protection and simplify maintenance checks.
• Use in applications where predictable trip behavior at 90A helps protect sensitive equipment and reduces downtime due to unexpected outages.

Choose the Siemens ED41B090 for a dependable, precisely engineered solution that blends robust hardware with thoughtful compatibility. It’s an ideal choice for professionals and informed DIYers who value long-term reliability, straightforward installation, and protection you can trust across a range of electrical environments.