Eaton | LDB3300W | Circuit Breaker | 300A | 3-Pole | 600V

Meet the Eaton LDB3300W circuit breaker—a formidable three-pole protector rated at 300 A and designed for installations up to 600 V. This model is purpose-built for maintenance, retrofit, and replacement projects where precise compatibility matters, making it a reliable choice for three-phase power systems.

• Amperage: 300 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Part reference: LDB3300W (best reference for matching equipment)
• Applications: maintenance, retrofit, and replacement in Eaton-compatible panels and distributions

Why this Eaton circuit breaker stands out

The LDB3300W is purpose-built for reliable protection in three-phase environments. With a dedicated Eaton part number, it integrates smoothly with existing Eaton panels and systems, reducing the guesswork during upgrades and repairs. The 3-pole design ensures all phases disconnect together, safeguarding motors, drives, and other load types that rely on balanced three-phase protection.

Ideal use cases

• Upgrading or replacing breakers in service panels, distribution panels, and switchgear that require 300 A, 3-pole, 600 V protection
• Retrofits where existing equipment calls for the LDB3300W or compatible Eaton parts
• New installations in industrial settings that demand robust three-phase overcurrent protection

Compatibility and ordering tips

To ensure seamless fit and performance, use the part number LDB3300W as the primary reference. Confirm the breaker’s amperage, pole count, and voltage rating align with your panel or switchgear before ordering. If you’re replacing an older Eaton unit, matching the exact part number minimizes surprises and downtime.

Installation notes

For safe, reliable operation, follow standard electrical practices and the manufacturer’s installation guidelines. This includes proper wiring, secure terminations, and adherence to local electrical codes. If you’re unsure about torque specs or mounting details, consult the Eaton installation manual or a qualified electrician.

A practical choice for engineers and technicians

Whether you’re maintaining a live facility, retrofitting legacy equipment, or planning a panel upgrade, the Eaton LDB3300W 300A 3-Pole 600V circuit breaker delivers dependable protection with a straightforward fit‑and‑replace path. It’s a deliberate, compatible choice for systems that rely on precise, reliable three-phase overcurrent protection.