Siemens | E42B090 | Circuit Breaker | 2-Pole | Bolt-On

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.