Siemens | HE2A045 | Circuit Breaker | 2-Pole | 240V | Bolt-On

Siemens 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 - Poles: 2-Pole - Voltage rating: 240V - Mounting style: Bolt-On - Part reference: HE2A045 Why this model stands out - 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. - 240V protection for two-pole circuits: Ideal for 240V service requirements, providing coordinated protection for circuits that span two hot lines. - Ready-made compatibility reference: The HE2A045 part number is the clearest guide for matching with the right Siemens panel and associated equipment. - Professional reliability: Engineered to meet Siemens’ performance standards, so you can trust consistent operation in service, retrofit, or replacement scenarios. Who this is for - Technicians and electricians performing maintenance, retrofit, or replacement in Siemens-based electrical systems. - Facilities managers overseeing 240V circuits that require dependable two-pole protection. - Projects where exact part matching is critical to maintaining code compliance and panel integrity. Use cases and practical considerations - Replacement in existing Siemens installations: When you need a precise 2-Pole, 240V bolt-on breaker that matches the original specifications. - Retrofit for 240V circuits: Upgrading or reconfiguring panels to enable secure bolt-on breakers without compromising safety or panel compatibility. - Maintenance planning: Use the HE2A045 as a known-compatible reference part to minimize downtime during service windows. Installation and compatibility tips - Always confirm fit and ratings before ordering; the HE2A045 part number is your best compatibility reference. - Before installation, de-energize the panel and follow proper lockout/tagout procedures. - Ensure the panel you’re servicing supports bolt-on breakers of this type and voltage rating. - 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.