Siemens | ED42B040L | Circuit Breaker | 40A | 2-Pole | 480V

Meet the Siemens ED42B040L—an exact-fit circuit breaker designed for robust protection in 480V, 40A, 2-pole configurations. Whether you’re performing routine maintenance, retrofits, or replacement in industrial electrical panels, this ED-series breaker keeps your system aligned with Siemens specifications and predictable performance.

• Amperage: 40A
• Poles: 2-Pole
• Voltage: 480V
• Reference: Part number ED42B040L for precise compatibility in Siemens equipment

Why choose the ED42B040L for your project?

• Using the exact part number ED42B040L minimizes guesswork and reduces the risk of mismatched ratings in your panel, ensuring dependable protection without surprises.
• The 40A, two-pole design is tailored for higher voltage installations, providing simultaneous disconnection of both live conductors to improve safety during service life.
• This model is intended for straightforward maintenance, retrofit, and replacement tasks, allowing technicians to swap in available Siemens components without bespoke fabrication.
• Ideal for industrial control panels, commercial electrical rooms, and equipment layouts that operate at 480V and require reliable, code-aligned protection.

Use-case scenarios and benefits

• When upgrading older panels to maintain consistent Siemens protection, ED42B040L provides a direct, drop-in replacement that preserves system behavior and protection curves.
• Regular inspections benefit from staying with the exact ED-series family, reducing compatibility concerns during service windows.
• For new builds or panel refurbishments that require a 480V, 40A, 2-pole solution, this breaker offers a reliable, industry-standard option within Siemens ecosystems.
• Two-pole design ensures both hot legs can be isolated together, enhancing maintenance safety and minimizing arc-flash exposure during servicing.

Important note: Confirm fit and ratings before ordering. The part number is your best reference for compatibility, so verify ED42B040L against your Siemens panel model and electrical specifications before purchase.