GDB3030D | Circuit Breaker | 30A | 3-Pole | 480V | Bolt-On

The GDB3030D Circuit Breaker is a purpose-built solution for protecting industrial 480V three‑phase systems. With a 30A rating, a 3‑pole configuration, and bolt‑on mounting, this unit is ready for reliable maintenance, retrofit, and replacement projects where exact specifications matter. Designed to withstand demanding environments, it delivers consistent fault protection while simplifying field installation.

• Amperage: 30A
• Poles: 3‑Pole
• Voltage: 480V
• Mounting: Bolt‑On
• Part number: GDB3030D
• Application: Industrial protection, suitable for maintenance, retrofit, and replacement where specs align

Key advantages of the GDB3030D include secure bolt‑on mounting that supports faster, more reliable field installation and a 3‑pole design that delivers balanced protection across all three phases. This makes it an ideal fit for panel upgrades, motor control centers, and distribution panels that require a precise 30A, 480V, three‑phase breaker.

Why choose this breaker for your project

• Exact fit and compatibility: The part number is the best reference to ensure proper alignment with existing panels and bus configurations. Always confirm fit and ratings before ordering.
• Streamlined retrofit and replacement: Bolt‑on design minimizes downtime and simplifies installation in legacy or modular switchgear setups.
• Reliable protection for 3‑phase systems: 480V operation with 3 poles provides comprehensive protection across all phases, helping prevent equipment damage and unscheduled downtime.

Ideal use cases

• Upgrading or replacing aging breakers in 480V, three‑phase distribution panels
• Retrofit projects in manufacturing lines, conveyors, and metalworking equipment that run on 480V
• Motor control centers and industrial control panels requiring precise 30A, three‑pole protection

Practical notes for procurement and installation

• Always verify that the panel, bus arrangement, and labeling support a 480V, 3‑pole bolt‑on breaker with the GDB3030D part number.
• Use proper torque and mounting procedures recommended for bolt‑on breakers to ensure secure electrical and mechanical connections.
• Store and handle with standard electrical safety practices to maintain continuity and performance over time.

With its precise specifications, reinforced mounting, and focus on reliable protection, the GDB3030D stands out as a targeted, durable choice for professional industrial installations seeking a compatible, long‑lasting 30A, 3‑pole, 480V bolt‑on circuit breaker.