Siemens BQ2B03000S01 - 30 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens BQ2B03000S01—a 30A, 240V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built to shield electrical circuits from overcurrent and short-circuit events, this breaker stays quietly reliable under demanding everyday use.

• Secure bolt-on mounting—provides a rigid, vibration-resistant bus connection that stays tight even in environments with movement or vibration.
• Thermal-magnetic trip unit—delivers stable, repeatable protection by automatically responding to both overloads and short circuits, reducing nuisance trips and protecting your wiring.
• Compatibility you can trust—designed to pair with matching OEM load centers and panelboards, ensuring proper fit, performance, and labeling compliance.
• Versatile application—excellent for residential, commercial, and light industrial circuits where 240V, 30A protection is required.

Typical use cases include protecting 240V branch circuits such as HVAC equipment, electric heating elements, water heaters, or other high-load appliances in a residential subpanel or light commercial panelboard. When you need a reliable, easy-to-install solution that aligns with Siemens panel families and bolt-on designs, the BQ2B03000S01 delivers consistent protection where it matters most.

Key specifications at a glance

• Manufacturer: Siemens
• Part Number: BQ2B03000S01
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why choose this breaker over other options? The bolt-on design simplifies installation in compatible panels, offering a robust, vibration-resistant connection that remains secure over time. The integrated thermal-magnetic trip ensures dependable protection across a wide range of operating conditions, helping you maintain safe, compliant electrical systems with fewer interruptions. For a 30A, 240V solution that aligns with Siemens panel ecosystems and delivers durable performance in residential, commercial, and light industrial settings, the Siemens BQ2B03000S01 is a practical, dependable choice.