Siemens ED43B030 30A 3P 480V Circuit Breaker | AmpState

Siemens ED43B030 is a 30A, 3-pole, 480V circuit breaker crafted for dependable overcurrent protection in panelboards, load centers, and broader electrical distribution setups. When protection must be precise and parts must remain true to the original design, this OEM-grade breaker delivers the reliability your systems depend on.

Ideal for replacement projects and spare stocking, the ED43B030 helps keep your bill of materials (BOM) aligned with the original Siemens part number. By matching the exact specifications, you reduce the risk of incompatibility and downtime, ensuring a seamless swap in critical infrastructure without surprises during commissioning.

Why this Siemens ED43B030 stands out

• OEM fidelity – Directly aligns with the Siemens BOM, preserving original protection schemes and compatibility across your panelboards and distribution networks.
• Three-pole, 480V design – Suited to three-phase industrial or commercial systems, delivering coordinated protection in every phase.
• 30 ampere rating – Precisely sized to guard branch circuits while allowing intended loads to operate safely.
• Reliable replacement option – A practical, drop-in choice for maintenance teams needing quick, hassle-free swaps that maintain system integrity.
• Stocked by AmpState with support

Who benefits most

This part is ideal for facilities engineers, maintenance technicians, and procurement teams overseeing industrial panels, data centers, manufacturing lines, and commercial electrical distributions where uptime and BOM consistency matter. It’s especially valuable when you’re refreshing legacy installations or building spare inventories to avert unexpected outages.

Practical considerations and usage tips

• Use when your panel labeling specifies Siemens ED43B030 or when you need a direct OEM replacement that preserves original protection logic.
• Confirm compatibility by matching the part number (ED43B030), amperage (30 A), poles (3), and voltage rating (480V) with your existing equipment and documentation.
• For complex or mixed-voltage environments, consult your panel’s engineering notes to ensure three-phase protection aligns with the overall system design.
• If you’re unsure about fit, AmpState offers compatibility guidance and can help verify whether this exact part matches your installation requirements—just reach out and ask.

Secure the Siemens ED43B030 for dependable circuit protection that keeps systems running smoothly. Availability through AmpState makes it straightforward to source the exact part you need, keep your BOM intact, and minimize downtime when replacements are necessary.