Siemens BQ1B030 30A 1P 120V Circuit Breaker, Bolt-On | AmpState

Introducing the Siemens BQ1B030 — a reliable, single-pole circuit breaker designed for 120V electrical distribution. With a 30-amp rating and bolt-on mounting, this unit is purpose-built for panelboards and load centers where retrofit work and maintenance demand consistent part numbers for easy inventory management.

Key features and applications

• Amperage: 30 A
• Poles: 1
• Voltage: 120 V
• Mounting: Bolt-On for straightforward installation in compatible enclosures
• Manufacturer: Siemens
• Part Number: BQ1B030
• Product Type: Circuit Breaker
• Typical Uses: Panelboards, load centers, and electrical distribution setups

Why this breaker stands out

• : The bolt-on design and fixed part number (BQ1B030) simplify maintenance planning and upgrades, reducing paperwork and installation guesswork.
• : Ideal for projects where staying with the same part number matters for documentation and long-term serviceability.
• : Siemens engineering delivers dependable protection for your electrical circuits, backed by a long-standing reputation in distribution systems.
• : A sensible choice for electricians, property managers, and facilities teams working with Siemens panelboards and load centers that support bolt-on 1P breakers.

Who should consider the Siemens BQ1B030?

• Electricians performing panel upgrades or retrofits that require a 30 A, 1-pole, 120 V protection device.
• Maintenance planners who need dependable stock with consistent part numbers to streamline ordering and inventory.
• Facilities and building managers maintaining Siemens distribution systems and seeking reliable, compatible replacements.

Availability note: this Siemens BQ1B030 circuit breaker is available from AmpState. If you’re unsure about fit or compatibility with your specific panel model, send us a message — we’re ready to help confirm the correct part and ensure a seamless match for your electrical distribution needs.