Siemens BG3B015 - 15 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Siemens BG3B015 is a 15A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for installations where a robust, secure connection matters, this unit combines precise protection with installer-friendly features that keep panels running smoothly in demanding environments.

Why the BG3B015 stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus—minimizing movement and connection wear in environments subject to vibration or 움직임.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance. The thermal element handles normal overloads gently, while the magnetic element rapidly interrupts high fault currents for quick safety braking.
• OEM-compatible design works seamlessly with matching Siemens load centers and panelboards, helping simplify replacement, upgrade, or expansion projects.
• Versatile for various settings suitable for residential, commercial, and light industrial applications where reliable 3-pole protection is required.

Key features and benefits

• Amperage and voltage — 15A at 240V, providing appropriate protection for branch circuits in many standard electrical setups.
• 3-pole configuration — designed for 3-phase systems, ensuring balanced protection across all conductors in panelboards and load centers.
• Bolt-on construction — enables a solid, serviceable installation that resists loosening over time, reducing maintenance needs.
• Molded case design — compact yet robust, suitable for compact spaces inside modern electrical panels.

Ideal use cases

Use the BG3B015 in residential subpanels, commercial electrical rooms, and light industrial panels where a reliable 3-pole protection device is required. It’s particularly well-suited for circuits that demand quick fault clearance and steady performance in environments with potential vibration or movement.

Performance and compatibility

As part of Siemens’ trusted protection lineup, this unit is engineered to integrate smoothly with compatible Siemens OEM load centers and panelboards. It provides dependable branch circuit protection and short-circuit interruption, helping maintain system safety and uptime without unnecessary nuisance tripping.

Practical installation tips

Plan for a secure bolt-on mount to maximize the bus connection’s rigidity. Verify the panel compatibility with the BG3B015’s 3-pole, 240V design and ensure the 15A rating matches the protected circuit’s load calculations. In service or upgrade projects, this breaker offers a straightforward path to expand or modernize panel capacity while preserving protection integrity.

Choose the Siemens BG3B015 for a precise, durable, and compatible 3-pole bolt-on solution that shields your electrical system from overcurrent and short-circuit risks, while staying aligned with Siemens’ OEM panelboard ecosystems.