Siemens E23B100 100A 3P 240V Circuit Breaker, Bolt-On | AmpState

The Siemens E23B100 is a bolt-on, three-pole circuit breaker engineered to deliver dependable overcurrent protection in panelboards, load centers, and electrical distribution networks. Designed as an exact OEM replacement, it helps you preserve your BOM integrity and keeps stocking aligned with the original part number, making maintenance and upgrades smoother for professionals and facilities teams.

• Amperage: 100 A
• Poles: 3
• Voltage: 240 V
• Mounting: Bolt-On
• Manufacturer: Siemens
• Part Number: E23B100

Why this matters in real-world scenarios: when a circuit breaker on a critical feed or distribution circuit fails, you need a reliable, plug‑and‑play replacement that fits your existing panel without modification. The E23B100 is purpose-built for that need—delivering secure mounting, consistent performance, and compatibility with Siemens panelboard ecosystems. It’s also a smart choice for stock rooms and maintenance shops that aim to keep the original BOM intact, reducing confusion and paperwork during repairs or upgrades.

Ideal for: electrical contractors, facilities managers, and maintenance teams who value accuracy and efficiency in replacement parts. It’s particularly useful when refurbishing or expanding panelboards and load centers that rely on Siemens’ E23B-series components, ensuring that your protection scheme remains intact and traceable in documentation.

Practical considerations and tips: verify that the panel you’re servicing requires a 100 A, 3-pole, 240 V bolt-on breaker and that the exact part number (E23B100) matches the original specification. When stocking spare breakers, align your BOM records to the original part numbers to simplify future maintenance. If you’re unsure about fit, the AmpState support team is available to help confirm compatibility with your exact panel model and configurations.

Availability and support: this part is available from AmpState. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit, so you can buy with confidence and keep your electrical system protected without delay.