Meet the Siemens E42B090 Circuit Breaker — a reliable, two-pole bolt-on solution tailored for maintenance, retrofit, and replacement tasks that demand exact spec matching. This unit is built to integrate seamlessly where a like-for-like Siemens replacement is required, keeping your panel performance consistent and dependable. Why this 2-Pole Bolt-On breaker stands out Secure bolt-on mounting provides a solid, vibration-resistant connection that simplifies installation and enhances long-term reliability. 2-Pole design protects both hot legs of a circuit, making it ideal for shared-neutral or multi-wire branch circuits found in many Siemens panel configurations. Exact compatibility identified by the part number E42B090 — the most precise reference when sourcing a replacement or performing a retrofit. Versatile use cases suitable for routine maintenance, panel retrofits, and straightforward replacements where matching specs are essential. Fit-and-ratings caution always confirm fit and ratings before ordering to ensure you’re pairing the right breaker with your specific panel setup. Specifications Poles: 2-Pole Mounting: Bolt-On Part Number: E42B090 How to verify compatibility quickly Ensure your Siemens panel accepts bolt-on, 2-pole breakers and that E42B090 is an appropriate reference for your model. Compare your circuit’s intended voltage and protection needs with the existing breaker to confirm the replacement aligns with system requirements (without assuming capabilities beyond what your panel supports). Use the part number as the primary compatibility reference to minimize downtime and avoid mismatches. Designed for professionals who value precise spec alignment and straightforward installation, the Siemens E42B090 2-Pole Bolt-On Circuit Breaker is the practical choice when maintenance, retrofit, or replacement calls for a dependable, OEM-referenced solution.
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