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circuit-breaker
Eaton Cutler-Hammer A4KS400T1 400A Circuit Breaker | AmpState
★★★★★
| Part Number | A4KS400T1 |
| Amperes | 400 |
| Product Type | circuit-breaker |
Regular price
$451.00
Sale price
$451.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Eaton Cutler-Hammer A4KS400T1 400A Circuit Breaker | AmpState
Regular price
$451.00
Sale price
$451.00
Regular price
Unit price
Product description
Shipping
Meet the Eaton Cutler-Hammer A4KS400T1 400A circuit breaker — a rugged, reliable solution built for everyday electrical work. Designed for circuit protection in panelboards, load centers, and electrical distribution systems, this breaker helps keep your projects safe, efficient, and compliant with your original installation.
Why choose the A4KS400T1 for replacement or spare stock? It’s tailored to align with your BOM and original part numbers, making procurement smoother and system reassembly faster. Keeping genuine Eaton components on hand reduces guesswork on compatibility and minimizes downtime when servicing critical distribution panels.
- 400 A amperage rating provides robust protection for your high-demand circuits without overloading downstream equipment.
- Original equipment alignment ensures you can replace or stock the exact part referenced in your bills of materials, preserving configuration and paperwork accuracy.
- Availability from AmpState means genuine Eaton parts are ready when you need them for maintenance, upgrades, or emergency replacements.
- Compatibility support: Need help confirming fit? Message us and we’ll help verify whether A4KS400T1 matches your panel model and BOM.
- Trusted brand — Eaton Cutler-Hammer is known for dependable performance and long service life in commercial and industrial settings.
This breaker is ideal for:
- Replacement projects in panelboards and distribution subpanels where a precise OEM part is required
- Stocking spares for field service crews to reduce downtime during outages
- Maintaining BOM integrity when upgrading or maintaining existing electrical distribution infrastructure
Key specifications
- Manufacturer: Eaton Cutler-Hammer
- Part Number: A4KS400T1
- Product Type: Circuit Breaker
- Amperage: 400 A
Leverage this genuine Eaton component to safeguard your electrical distribution network with confidence. If you’re unsure about fit, reach out—we’re ready to help confirm compatibility and ensure you get the exact part you need from AmpState.
Contact sales@ampstate.com
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
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Arrived in good condition and helped keep our project on schedule.
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Exactly what most contractors expect from an industrial supplier.
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