Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
| Amperes | 400 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | 400A |
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Meet the LAB3400SW Industrial Circuit Breaker—an essential safety and protection device designed for demanding electrical panels. With a 400A rating, 3-pole configuration, and a 600V rating, this breaker is tailored for robust three-phase applications where reliable protection matters most.
Designed for maintenance, retrofit, and replacement projects that require exact specifications, the LAB3400SW model provides a clear reference point for compatibility in your panel upgrades. When precision matters, this part number is the best reference to ensure you get the right fit.
Why this model stands out
Summary: The LAB3400SW Circuit Breaker is your spec-matched, industry-grade solution for protecting three-phase circuits at 600V with a 400A capacity. Its clear part-number reference streamlines procurement, while its targeted use cases make it a practical choice for technicians and panel manufacturers seeking reliable, compatible protection.
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving