Siemens BQD6170 - 70 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Siemens BQD6170 is a rugged, 70A, 347V, 1-pole bolt-on molded case circuit breaker designed to protect branch circuits and prevent costly downtime in panelboards and load centers. Built for dependable overcurrent and short-circuit protection, this unit is a durable solution for residential, commercial, and light industrial applications.

• Bolt-on mounting delivers a secure, rigid bus connection with excellent vibration resistance, reducing the risk of loose connections in demanding environments.
• Thermal-magnetic trip unit provides stable, repeatable protection across varying temperatures and fault conditions, helping to prevent nuisance trips and safeguarded equipment.
• Single-pole design is ideal for dedicated branch circuits where a compact, straightforward protection device is needed.
• 347V rating makes it well-suited for commercial and light industrial distribution panels, where higher line voltage protection is required.
• Compatibility with matching OEM load centers and panelboards ensures proper fit, wiring configuration, and coordinated protection within Siemens systems.
• Rugged molded case construction supports reliable performance in everyday electrical installations, delivering long-term protection with minimal maintenance.
• Application provides effective branch circuit overcurrent and short-circuit protection, helping electricians meet code requirements and protect electrical infrastructure.

This breaker is particularly advantageous for electricians and facilities professionals who work with Siemens panelboards and load centers in commercial settings, or for residential builders upgrading to a more robust protection solution. Use cases include protecting lighting runs, receptacle circuits, and other critical single-phase branches where a dependable bolt-on breaker is the preferred mounting style.

Key specifications:

• Manufacturer: Siemens
• Part Number: BQD6170
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70A
• Voltage Rating: 347V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection