Siemens BQD6115 - 15 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Powerful yet compact, the Siemens BQD6115 is a 15A, 347V, 1‑pole bolt‑on molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Built for reliability in residential, commercial, and light industrial installations, it delivers consistent overcurrent and short‑circuit protection where it matters most.

• Secure bolt‑on mounting: ensures a rigid, vibration‑resistant bus connection that reduces loosening from equipment start‑ups and building vibrations.
• Thermal‑magnetic trip unit: combines thermal delay with magnetic trip action for stable, repeatable protection across temperature and load variations.
• Panelboard and load center compatibility: designed to match OEM panelboards and load centers for straightforward installation and reliable performance.
• Versatile application: suited for residential, commercial, and light industrial branch circuits that require dependable 15A protection at up to 347V.

Specifications

• Manufacturer: Siemens
• Part number: BQD6115
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 15 A
• Voltage rating: 347 V
• Number of poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short‑circuit protection

Why this matters: with a dedicated 1‑pole design, you can protect individual circuits with precise trip characteristics. The 347V rating makes it suitable for commercial power distribution systems, while the bolt‑on style simplifies panel integration and minimizes service interruptions during maintenance.

Use cases

• New construction or panel refurbishment in small commercial spaces where 347V availability and reliable 15A protection are required.
• Dedicated lighting or receptacle branches in light industrial settings.
• Retrofits in existing OEM panelboards that require a compatible BQD6115 replacement.

Available from AmpState, this Siemens breaker is built to deliver consistent performance and long service life when properly installed in compatible panelboards and load centers.