Eaton | GDB3020 | Circuit Breaker | 20A | 3-Pole | 480V | Bolt-On

The Eaton GDB3020 circuit breaker is a purpose-built bolt-on protective device designed for demanding 3-phase environments. With a 20A rating and 3-pole configuration, it delivers precise overcurrent protection for 480V systems, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 20 A
• Poles: 3-Pole
• Voltage: 480 V
• Mounting: Bolt-On
• Part reference: GDB3020

What makes this breaker stand out

Designed to align with Eaton’s bolt-on family, the GDB3020 ensures a reliable, mechanical fit and electrical compatibility in panels that require a 3-pole, 480V protection device. The bolt-on mounting simplifies installation and service in rugged industrial environments, reducing downtime during replacements and upgrades. Because it is built to the GDB specifications, you gain consistent trip performance and predictable behavior across your protection scheme, helping you coordinate with other protective devices in your 3-phase system.

Ideal use cases

• Retrofit projects in commercial or industrial control panels that require a precise 20A, 3-Pole, 480V bolt-on breaker
• Replacement for aging or failed 3-phase breakers in service panels and motor control centers
• New installations in compatible Eaton panels where a bolt-on 20 A protection device is specified

Compatibility and installation tips

• Always confirm fit and ratings before ordering. The part number, GDB3020, is the most reliable reference for compatibility.
• Ensure your panel is rated for 480 V three-phase operation and supports bolt-on mounting.
• Follow standard electrical safety practices and the panel manufacturer's torque and mounting guidelines during installation.
• Label and document the upgrade to maintain clear protection coordination across the circuit.

Why choose Eaton for your protection needs

Eaton is a trusted name in power distribution, delivering consistent performance and long-term reliability in industrial environments. The GDB3020 offers a focused, exact-match solution for panels requiring a 20A, 3-pole, 480V bolt-on breaker, helping you minimize downtime and maximize protection coverage across your 3-phase systems.

Ready to secure dependable three-phase protection? The Eaton GDB3020 is purpose-built for retrofit, replacement, and new installations in compatible bolt-on panels—add it to your order and ensure precise, reliable performance where it matters most.