Siemens HEB2B090B - 90 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Trust Siemens engineering for dependable branch protection with the HEB2B090B. This 2-pole, 90A bolt-on molded case circuit breaker is built to live in panelboards and load centers, delivering reliable overcurrent and short-circuit protection where it matters most—across residential, commercial, and light industrial applications. With a robust 600V rating, it’s designed to safeguard higher-voltage distribution while staying compact enough for modern electrical spaces.

• Bolt-on mounting – Secure bolt-on installation creates a rigid, vibration-resistant bus connection, reducing the chance of loosened contacts in dynamic panel environments and simplifying field service when maintenance is required.
• Thermal-magnetic trip unit – A combined thermal and magnetic tripping mechanism delivers stable, repeatable protection. It responds to gradual overloads and instantaneous short circuits, helping prevent damage to wiring and connected equipment even as loads shift.
• OEM-compatible design – Engineered to pair seamlessly with matching Siemens OEM load centers and panelboards, ensuring consistent fit, trip characteristics, and dependable electrical contact across systems built to work together.
• Versatile protection – Specifically suited for branch circuit protection in 600V systems, while remaining an ideal upgrade or replacement option for Siemens-based installations in homes, offices, retail spaces, and light industrial environments.
• Durable molded-case construction – Crafted for long service life in demanding environments, delivering reliable performance under everyday electrical load and occasional surges.

Key specifications at a glance: Siemens HEB2B090B, 90A rating, 600V maximum, 2-pole configuration, bolt-on mounting, molded case, thermal-magnetic protective action. This breaker is purpose-built for users who value precise protection, straightforward replacement, and compatibility with established Siemens panel ecosystems.

Ideal scenarios include upgrading aging panels, replacing a failed 2-pole breaker without compromising panel alignment, or equipping new Siemens-compatible installations that require sturdy mechanical mounting and precise trip behavior. If you manage electrical infrastructure across a facility or maintenance program, the HEB2B090B offers a dependable, field-proven solution that aligns with Siemens’ panelboard ecosystems and supports clear, predictable protection for your critical circuits.