{"product_id":"siemens-ee3b045-circuit-breaker","title":"Siemens | EE3B045 | Circuit Breaker | 45A | 3-Pole | 240V","description":"\u003cdiv\u003eSiemens EE3B045 Circuit Breaker — a precise, OEM solution for 3-phase protection at 240V This Siemens EE3B045 3-pole circuit breaker delivers dependable protection for 3-phase electrical setups and 240V circuits. Designed for maintenance, retrofit, and replacement projects, it gives you a like-for-like replacement that keeps your panel performing exactly as intended. Key specifications\n- Amperage: 45A\n- Poles: 3-Pole\n- Voltage: 240V\n- Part reference: EE3B045 Why choose this Siemens breaker\n- OEM compatibility you can trust: The EE3B045 is the best reference for matching fit, mounting footprint, and electrical characteristics with Siemens panels and approved enclosures.\n- Built for 3-phase protection: A 3-pole design supports multi-wire or three-phase circuits, making it suitable for motors, compressors, HVAC equipment, and other 3-phase loads in commercial or light-industrial settings.\n- Durable, ready-to-install replacement: When the goal is a straightforward swap, using the exact part number minimizes guesswork and reduces downtime. Ideal use cases\n- Retrofit projects where older breakers need upgrading to contemporary Siemens specifications without changing panel infrastructure.\n- Replacement on panels that require a 3-pole, 45A, 240V protection device to safeguard 3-phase equipment.\n- Maintenance of equipment that relies on reliable, repeatable circuit protection in everyday operations. How to verify compatibility and install with confidence\n- Always confirm fit and ratings before ordering. The best reference for compatibility is the EE3B045 part number.\n- Check your panel label or service manual to ensure the bus, mounting style, and trip characteristics align with this unit.\n- Follow standard safety practices: disconnect power, use lockout\/tagout procedures, and consult a licensed electrician if you’re unsure about panel compatibility or installation. Practical considerations\n- Because this is a genuine Siemens replacement, it’s engineered to align with Siemens’ design and performance expectations, helping maintain consistent protection across your electrical system.\n- If you’re upgrading or replacing, pair this with other Siemens-certified components to maintain cohesive performance and warranty coverage. In short, the Siemens EE3B045 is a purpose-built, OEM three-pole 45A 240V circuit breaker ideal for reliable maintenance, retrofit, and replacement tasks that demand exact specifications and dependable protection.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427523907746,"sku":"EE3B045","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-ee3b045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}