Verified
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Circuit Breaker
Eaton | HLDB3300X | Circuit Breaker | 300A | 3-Pole | 600V
| Part Number | HLDB3300X |
| Amperes | 300 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$2,010.00
Sale price
$2,010.00
Regular price
Unit price
Save
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Eaton | HLDB3300X | Circuit Breaker | 300A | 3-Pole | 600V
Regular price
$2,010.00
Sale price
$2,010.00
Regular price
Unit price
Product description
Shipping
Meet the Eaton HLDB3300X circuit breaker—a precise, high-demand protective device designed for 3-pole, 600V systems with a 300A rating. Built for maintenance, retrofit, and replacement projects, it keeps critical circuits safe and online with minimal downtime.
Why choose HLDB3300X
- Exact-spec compatibility: Use HLDB3300X as the primary reference to match your panel’s requirements; it’s specifically identified for matching high-current, 3-pole, 600V configurations.
- High-current protection: 300A capacity protects large loads and feeders from overloads without compromising system integrity.
- Three-pole design for balanced protection: Ideal for three-phase systems, ensuring equal protection across all phases.
- Versatile application: Suitable for new installations, panel retrofits, or replacement of a failed device in existing Eaton-based systems.
- Clear part identification: Part number HLDB3300X simplifies sourcing and reduces ordering errors.
Key specifications and checklists
- Amperage: 300A
- Poles: 3-Pole
- Voltage rating: 600V
- Part number: HLDB3300X
- Fitment note: Confirm fit and ratings before ordering; the HLDB3300X is the best reference for compatibility.
Who should consider this breaker?
Facility maintenance teams, electrical contractors, and panel designers who require dependable protection for high-current, three-phase circuits will find this Eaton breaker ideal. If your project involves updating an existing Eaton system, upgrading to a 600V service, or replacing a failed 300A, 3-pole component, HLDB3300X ensures a reliable, compatible fit.
Practical tips for installation and performance
- Before purchasing, verify your panel’s electrical rating and the exact pole configuration to ensure seamless replacement.
- Keep a spare HLDB3300X on hand for proactive maintenance to minimize downtime during service windows.
- Consult a qualified electrician to validate all connections, torque specs, and safety compliance for your installation environment.
Contact sales@ampstate.com
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase.
What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Verified
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving
