Siemens BQ2B015H - 15 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens BQ2B015H—a reliable 15A, 240V, 2-pole bolt-on molded case circuit breaker designed to safeguard your electrical system with precision and ease. From AmpState, this unit is built to anchor dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers, delivering consistent performance where it matters most.

Why this Siemens breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus bars in panelboards and load centers, reducing movement and enhancing longevity.
• Thermal-magnetic trip unit delivers stable, repeatable protection—the thermal element handles gradual overheating, while the magnetic element responds instantly to dangerous short circuits.
• 2-pole design ensures simultaneous disconnection of both live conductors, which is essential for 240V circuits and safer, balanced protection.
• OEM compatibility is built in—specifically designed to harmonize with matching Siemens load centers and panelboards for straightforward installation and reliable electrical characteristics.
• Versatile application with molded-case construction makes it suitable for residential, commercial, and light industrial environments where compact, dependable protection is required.

Technical snapshot

Type: Thermal-magnetic molded case circuit breaker

Amperage rating: 15A

Voltage rating: 240V

Poles: 2

Mounting style: Bolt-on

Part number: BQ2B015H

Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential service panels needing reliable 240V branch-circuit protection.
• Commercial electrical rooms with equipment fed from 240V systems requiring robust short-circuit interruption.
• Light industrial control panels where vibration resistance and secure mounting contribute to long-term reliability.
• Upgrading or stocking OEM-compatible breakers to ensure seamless integration with Siemens panelboards and load centers.

Practical considerations and tips

• Ensure proper torque when securing the bolt-on mounting to maintain a solid bus connection and minimize voltage drop at the connection point.
• Pair this breaker with compatible Siemens OEM load centers to preserve trip curves and protection coordination across the panel.
• Use in applications where balanced protection and quick interruption are critical—240V circuits, multi-wire setups, and equipment with sensitive loads benefit from the dual-pole design.
• Consider the thermal-magnetic trip characteristics for environments with fluctuating loads to avoid nuisance trips while maintaining protection integrity.

Designed to deliver consistent protection, straightforward installation, and compatibility with Siemens panel ecosystems, the BQ2B015H is a dependable choice for safeguarding electrical systems in homes, businesses, and light industrial settings. Trust Siemens’ engineering to keep circuits protected, connections solid, and uptime high.