{"product_id":"siemens-he2a045-circuit-breaker","title":"Siemens | HE2A045 | Circuit Breaker | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003eSiemens HE2A045 is a robust 2-Pole, 240V bolt-on circuit breaker designed for reliable protection in compatible Siemens panels. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this unit helps restore safe, code-compliant operation quickly and with confidence. Key specifications at a glance\n- Poles: 2-Pole\n- Voltage rating: 240V\n- Mounting style: Bolt-On\n- Part reference: HE2A045 Why this model stands out\n- Secure bolt-on mounting: The bolt-on design delivers a solid mechanical connection in compatible panels, reducing the risk of loosening in dynamic electrical environments.\n- 240V protection for two-pole circuits: Ideal for 240V service requirements, providing coordinated protection for circuits that span two hot lines.\n- Ready-made compatibility reference: The HE2A045 part number is the clearest guide for matching with the right Siemens panel and associated equipment.\n- Professional reliability: Engineered to meet Siemens’ performance standards, so you can trust consistent operation in service, retrofit, or replacement scenarios. Who this is for\n- Technicians and electricians performing maintenance, retrofit, or replacement in Siemens-based electrical systems.\n- Facilities managers overseeing 240V circuits that require dependable two-pole protection.\n- Projects where exact part matching is critical to maintaining code compliance and panel integrity. Use cases and practical considerations\n- Replacement in existing Siemens installations: When you need a precise 2-Pole, 240V bolt-on breaker that matches the original specifications.\n- Retrofit for 240V circuits: Upgrading or reconfiguring panels to enable secure bolt-on breakers without compromising safety or panel compatibility.\n- Maintenance planning: Use the HE2A045 as a known-compatible reference part to minimize downtime during service windows. Installation and compatibility tips\n- Always confirm fit and ratings before ordering; the HE2A045 part number is your best compatibility reference.\n- Before installation, de-energize the panel and follow proper lockout\/tagout procedures.\n- Ensure the panel you’re servicing supports bolt-on breakers of this type and voltage rating.\n- Torque mounting hardware to the panel manufacturer's specifications to maintain a secure connection and reliable performance. This Siemens HE2A045 2-Pole, 240V bolt-on breaker is crafted for precise compatibility and dependable protection in appropriate Siemens panels. If you’re aligning replacement parts with existing equipment, rely on the exact part reference to ensure a seamless, code-compliant fit.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427520401570,"sku":"HE2A045","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-he2a045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}