Eaton GDB3015D - 15 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton GDB3015D is a purpose-built 3-pole molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a 15 A rating at a robust 480 V, this bolt-on unit provides a secure, vibration-resistant connection that keeps critical electrical systems protected even in demanding environments.

• Bolt-on mounting: engineered for a rigid bus connection that minimizes movement and arcing risks, reducing nuisance trips and downtime in busy electrical rooms.
• Thermal-magnetic trip unit: combines thermal slow-blow protection with magnetic instantaneous tripping for fast, selective response to faults while tolerating normal inrush currents.
• Three-pole design: ideal for three-phase distribution, delivering synchronized protection across all conductors in 480 V panel setups.
• Molded case construction: durable housing provides excellent insulation, heat resistance, and long-term reliability in industrial and commercial installations.
• OEM compatibility: engineered to fit with matching OEM load centers and panelboards, ensuring seamless integration and guaranteed fitment.
• Versatile applications: suitable for residential, commercial, and light industrial environments needing dependable branch circuit protection at 480 V.

Technical snapshot

• Manufacturer: Eaton
• Part Number: GDB3015D
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15 A
• Voltage Rating: 480 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out

In panel installations where reliability and consistent protection are non-negotiable, the GDB3015D’s bolt-on design reduces installation variability, delivering a solid, vibration-resistant connection that stands up to demanding service conditions. The thermal-magnetic trip mechanism provides predictable, repeatable protection—quickly clearing faults on short circuits while staying insensitive to normal inrush currents common in motors and transformers. This means less downtime, fewer false trips, and safer, more predictable electrical performance.

Ideal use cases

• New or retrofit projects in panelboards and load centers requiring three-phase, 480 V protection
• Environments with vibration or movement where secure bus connections are critical
• Residential, commercial, and light industrial applications that demand reliable branch-circuit protection
• Situations where OEM compatibility ensures straightforward replacement and maintenance

Choosing the Eaton GDB3015D means prioritizing dependable protection, installer-friendly mounting, and OEM-ready compatibility. If you’re upgrading or stocking spare breakers for 480 V, three-pole panel systems, this bolt-on molded case breaker offers a precise, durable solution backed by Eaton’s safety and performance heritage.