{"product_id":"siemens-e23s100a-circuit-breaker","title":"Siemens | E23S100A | Circuit Breaker | 100A | 3-Pole | 240V","description":"\u003cdiv\u003eSiemens E23S100A Circuit Breaker — a precise, reliable solution for safeguarding your 3-phase electrical system. Engineered for maintenance, retrofit, and replacement projects that demand exact specifications, this 100A, 3-pole breaker is built to perform where it matters most: protecting equipment, reducing downtime, and keeping your panel running smoothly. Key specifications at a glance\n- Amperage: 100A\n- Poles: 3-Pole\n- Voltage: 240V\n- Part number: E23S100A\n- Brand: Siemens Why this model stands out\n- Precision fit for 3-phase, 240V applications: This breaker is purpose-built for commercial and industrial environments where three-conductor, 240-volt distribution is the norm, delivering dependable overcurrent protection across all three phases.\n- Clear compatibility guidance baked in: The part number E23S100A is your best reference for matching against existing panels and assemblies. When you’re replacing or retrofitting, this exact model minimizes guesswork and streamlines procurement.\n- Robust Siemens engineering: Designed to integrate with Siemens electrical systems, it complements the reliability and consistency you expect from a trusted brand, helping to reduce nuisance trips and maintenance cycles. Practical use cases\n- Retrofit projects: Upgrade aging protection in a 3-phase 240V distribution panel to restore dependable protection without reconfiguring the panel.\n- Maintenance replacements: Swap in a like-for-like 100A, 3-pole 240V breaker to keep critical loads protected and minimize system downtime.\n- New installations in compatible Siemens systems: Use where specifications align with Siemens E23-series breakers to ensure seamless operation and predictable tripping behavior. How to verify fit and ensure safe installation\n- Confirm fit and ratings before ordering: Match this model to your panel’s labeling and existing breakers to prevent incompatibility risks.\n- Reference the part number: Use E23S100A as the definitive compatibility check, ensuring the breaker matches your panel’s design and bus configuration.\n- Prepare for proper installation: Disconnect power, follow standard electrical safety procedures, and plan for correct torque and mounting to maintain reliable protection across all three poles. Who should consider Siemens E23S100A\n- Electrical contractors and facilities teams working with Siemens panels or systems that require precise 100A, 3-pole, 240V protection.\n- Maintenance engineers performing routine replacements or upgrades to maintain consistent protection across 3-phase equipment.\n- Any project where exact 3-pole, 240V compatibility and a trusted Siemens component are key decision factors. In short, the Siemens E23S100A is a purpose-driven solution for dependable three-phase protection at 240V, with clear compatibility cues centered on the exact part number. When your goal is reliable, straightforward replacement or retrofit within Siemens-compatible panels, this 100A, 3-pole breaker delivers the right balance of performance, compatibility, and peace of mind.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427284996258,"sku":"E23S100A","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-e23s100a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}