Siemens ED41B040L - 40 A, 120 V, 1-Pole Circuit Breaker | AmpState

Engineered for dependable protection in electrical panels, the Siemens ED41B040L is a 40A, 120V, 1-pole molded-case circuit breaker designed to guard branch circuits from overloads and short circuits with precision. This compact unit is purpose-built to fit seamlessly in panelboards and load centers, delivering reliable performance where space and safety matter most.

• 40A at 120V, 1-pole molded case — specifically rated to protect single-circuit branch connections without compromising space in your panel.
• Compact molded case design — minimizes footprint while maximizing usable panel space, making it well-suited for tight electrical enclosures.
• Thermal-magnetic trip unit — combines stable overload protection (thermal) with rapid magnetic response for short-circuit events, delivering repeatable, predictable protection every time.
• OEM panel compatibility — designed to work with matching Siemens OEM load centers and panelboards, ensuring smooth installation and dependable integration with existing systems.
• Versatile application — ideal for residential, commercial, and light industrial circuits that require reliable, branch-circuit overcurrent protection.

The ED41B040L goes beyond a basic breaker by offering a protection solution tailored to practical, real-world electrical layouts. Whether you're upgrading an aging panel, wiring a new office space, or configuring a small workshop, this unit delivers consistent protection for circuits that demand reliability and precise coordination with your overall electrical design.

Why choose the ED41B040L for your panel?

• Predictable protection under load — the thermal-magnetic mechanism ensures the breaker responds appropriately to both overloads and short circuits, reducing downtime and protecting sensitive equipment.
• Space-efficient, easy installation — its compact form factor simplifies panel planning and facilitates cleaner, more organized electrical layouts.
• Clear engineering fit — purpose-made for Siemens panel ecosystems, helping maintain system integrity and straightforward maintenance.

Ideal use scenarios include powering lighting and receptacle circuits in small offices, protecting outlets and equipment in residential basements or workshops, and supporting light commercial installations where dependable circuit protection is essential. With the Siemens ED41B040L, you get a proven, purpose-built solution that delivers clear benefits: reliable trip performance, straightforward integration, and efficient use of panel space. Part number ED41B040L ensures you’re choosing a tested, compatible option for your Siemens-based electrical infrastructure.