Siemens ED43M025 25A 3P 480V Circuit Breaker | AmpState

The Siemens ED43M025 is a 25A, 3-pole, 480V circuit breaker designed to protect panelboards, load centers, and electrical distribution systems. Engineered for reliability in demanding industrial and commercial environments, this device interrupts overcurrent events across all three phases, helping prevent damage to equipment and downtime.

Key benefits go beyond basic protection. The ED43M025 is an ideal choice for replacement projects and spare stocking because it aligns precisely with the original part number, keeping your bill of materials (BOM) accurate and your maintenance plans straightforward. When you need a dependable substitute that won’t disrupt your electrical infrastructure, this Siemens breaker delivers consistent performance.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: ED43M025
• Product Type: Circuit Breaker
• Amperage: 25 A
• Poles: 3
• Voltage: 480V

Why choose this ED43M025 for your system

• Precise BOM alignment: Matches the original Siemens specification to maintain compatibility with existing panelboards and schematics.
• Seamless replacement: Designed to fit standard 3P 480V installations, reducing downtime during maintenance or retrofits.
• Reliable 3-phase protection: Ideal for constant-duty environments where balanced protection across all phases is critical.
• Stocking-ready: A dependable spare that supports proactive maintenance strategies and service continuity.

Who is this for?

Maintenance teams, electrical distributors, and facility engineers responsible for industrial and commercial distribution gear will find the Siemens ED43M025 a practical choice for replacements, repairs, and long-term spare inventory. It’s particularly well-suited for panelboards and load centers operating in 3-phase, 480V environments where precise part compatibility matters.

Need help with compatibility?

AmpState offers this part and can assist in confirming fit with your specific panel or BOM. If you’re unsure about the exact match, send us a message and we’ll help verify whether ED43M025 is the right replacement for your Siemens installation.