Bussmann 40CBX000S-800 800V DC 40A Battery Storage Fuse (NH000)
● LT: 4-6wBattery storage fuse 40A 800V DC, NH000 size, 50kA DC.
Rated Current40A
Rated Voltage800V DC
Breaking Capacity50kA DC
PackageNH000
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Part Number40CBX000S-800BrandEaton BussmannRequested Qty
NH000-size battery storage fuse 40A 800V DC. Designed to protect and isolate battery strings and converter systems at DC side. Indicator version available as 40CBX000S-800-IN.
Quick answer, specifications & FAQ
Direct answer
Eaton Bussmann Battery Storage Fuse 40CBX000S-800 is rated 40A, 800V DC, Fast Acting (F), NH000. Breaking capacity 50kA DC, I²t 310 A²s, operating temperature -40°C to +125°C, certifications CE|CCC. Listed applications: Battery storage, BESS, Energy Storage. Standards: GB 13539, IEC 60269-4. Battery storage fuse 40A 800V DC, NH000 size, 50kA DC.
Key specifications
- Part number: 40CBX000S-800
- Brand: Eaton Bussmann
- Rated current: 40A
- Rated voltage: 800V DC
- Breaking capacity: 50kA DC
- Fuse speed: Fast Acting (F)
- Package size: NH000
- Dimensions: NH000 size
- Terminal type: Bolted tag
- Operating temperature: -40°C to +125°C
- Certifications: CE|CCC
- Standards: GB 13539, IEC 60269-4
Frequently asked questions
What are the current and voltage ratings of 40CBX000S-800?
40CBX000S-800 is rated 40A at 800V DC.
What is the breaking capacity of 40CBX000S-800?
40CBX000S-800 has a breaking capacity of 50kA DC. Confirm this covers the available fault current at the installation point.
What package size does 40CBX000S-800 use?
40CBX000S-800 uses NH000 package size.
Which standards and approvals apply to 40CBX000S-800?
40CBX000S-800 is listed under GB 13539, IEC 60269-4 / CE|CCC.
What is 40CBX000S-800 used for?
40CBX000S-800 is listed for Battery storage, BESS, Energy Storage applications. Verify suitability for your circuit before ordering.
What are the ordering terms for 40CBX000S-800?
40CBX000S-800: typical lead time 4–6 weeks, minimum order 10 pcs. Submit a quote request for a firm quotation.
Data sources
- Part number
- 40CBX000S-800
- Brand
- Eaton Bussmann
- Last updated
- 2026-10-10
- Canonical URL
- https://fusestock.com/products/bussmann-40cbx000s-800-800v-dc-40a-battery-storage-fuse-nh000/
Technical Specifications
- Part Number
- 40CBX000S-800
- Manufacturer Part Number
- 40CBX000S-800
- Series
- CBX000S Series
- Fuse Type
- Battery Storage Fuse
- Current Rating
- 40A
- Voltage Rating
- 800V DC
- AC / DC
- DC
- Breaking Capacity
- 50kA DC
- I²t
- 310 A²s
- Pre-arcing I²t
- 100
- Total I²t
- 310
- Operating Temperature
- -40°C to +125°C
- Package / Dimensions
- NH000
- Mounting
- Bolt-Down
- Application
- Battery storage · BESS · Energy Storage
- Standard
- GB 13539 · IEC 60269-4
- Terminal Type
- Bolted tag
- Fuse Speed
- Fast Acting (F)
- Utilization Class
- aR
- Approvals
- CCC · CE
- Certifications
- CE|CCC
- Reference Lead Time
- 4–6 weeks
- Minimum Order
- 10 pcs
- Sample Status
- LT: 4-6w
- Watts Loss @ In
- 13W
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