Siemens BQD6315 - 15 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens BQD6315—a 15A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliability in demanding environments, this device secures a solid bus connection with a robust bolt-on mounting that resists vibration and movement over time.

Why this breaker stands out

• Secure bolt-on mounting: Provides a rigid, vibration-resistant bus connection to maintain stable electrical contact and protection performance in busy or retrofit panel installations.
• Thermal-magnetic trip unit: Combines thermal protection for gradual overloads with instantaneous magnetic protection for short circuits, delivering stable, repeatable response across varying loads.
• OEM-compatible: Engineered to be compatible with matching OEM load centers and panelboards, ensuring a clean fit and straightforward replacement without unnecessary modifications.
• Versatile for multiple sectors: Suitable for residential, commercial, and light industrial applications where reliable three-phase protection is required.

Practical applications and scenarios

Ideal for three-phase panelboards in small to mid-sized commercial spaces and light industrial environments. Use this breaker when upgrading or servicing panels that demand confirmed OEM compatibility and a dependable 3-pole solution for protecting three hot conductors in 600V systems. Its bolt-on design makes field installation and maintenance efficient, reducing downtime during panel servicing.

Technical snapshot

• Manufacturer: Siemens
• Part Number: BQD6315
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Installation and compatibility tips

Ensure you’re pairing the BQD6315 with a compatible OEM load center or panelboard designed for 600V, three-pole protection. Follow standard electrical practices for bolt-on breakers, and verify that the panel’s ratings align with the 15A, 600V specification to maintain optimal protection performance.

Available through AmpState, the Siemens BQD6315 15A, 600V, 3-pole bolt-on circuit breaker offers a precise, reliable solution for protecting critical branch circuits across residential, commercial, and light industrial deployments.