Bussmann ESS2L-400 1500V DC 400A Battery Storage Fuse (Terminal L, with microswitch indicator)
● LT: 4-6wESS2 battery storage fuse 400A 1500V DC, 250kA DC.
Rated Current400A
Rated Voltage1500V DC
Breaking Capacity250kA DC
PackageESS2
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Part NumberESS2L-400BrandEaton BussmannRequested Qty
ESS2 battery storage fuse 400A 1500V DC with Type K indicator. Small I²t, low operating temperature, breaking capacity 250kA. Terminal tag variant: L.
Quick answer, specifications & FAQ
Direct answer
Eaton Bussmann Battery Storage Fuse ESS2L-400 is rated 400A, 1500V DC, Fast Acting (F), ESS2. Breaking capacity 250kA DC, I²t 236,000 A²s, operating temperature -40°C to +125°C, certifications UL Recognized. Listed applications: Battery systems, DC power supplies, Energy Storage, ESS. Standards: UL 248. ESS2 battery storage fuse 400A 1500V DC, 250kA DC.
Key specifications
- Part number: ESS2L-400
- Brand: Eaton Bussmann
- Rated current: 400A
- Rated voltage: 1500V DC
- Breaking capacity: 250kA DC
- Fuse speed: Fast Acting (F)
- Package size: ESS2
- Dimensions: ESS2 size
- Terminal type: Bolted tag (variant L)
- Operating temperature: -40°C to +125°C
- Certifications: UL Recognized
- Standards: UL 248
Frequently asked questions
What are the current and voltage ratings of ESS2L-400?
ESS2L-400 is rated 400A at 1500V DC.
What is the breaking capacity of ESS2L-400?
ESS2L-400 has a breaking capacity of 250kA DC. Confirm this covers the available fault current at the installation point.
What package size does ESS2L-400 use?
ESS2L-400 uses ESS2 package size.
Which standards and approvals apply to ESS2L-400?
ESS2L-400 is listed under UL 248 / UL Recognized.
What is ESS2L-400 used for?
ESS2L-400 is listed for Battery systems, DC power supplies, Energy Storage, ESS applications. Verify suitability for your circuit before ordering.
What are the ordering terms for ESS2L-400?
ESS2L-400: typical lead time 4–6 weeks, minimum order 10 pcs. Submit a quote request for a firm quotation.
Data sources
- Part number
- ESS2L-400
- Brand
- Eaton Bussmann
- Last updated
- 2026-10-10
- Canonical URL
- https://fusestock.com/products/bussmann-ess2l-400-1500v-dc-400a-battery-storage-fuse-terminal-l-with-microswitch-indicator/
Technical Specifications
- Part Number
- ESS2L-400
- Manufacturer Part Number
- ESS2L-400
- Series
- ESS2 Series
- Fuse Type
- Battery Storage Fuse
- Current Rating
- 400A
- Voltage Rating
- 1500V DC
- AC / DC
- DC
- Breaking Capacity
- 250kA DC
- I²t
- 236,000 A²s
- Pre-arcing I²t
- 79000
- Total I²t
- 236000
- Operating Temperature
- -40°C to +125°C
- Package / Dimensions
- ESS2
- Mounting
- Bolt-Down
- Application
- Battery systems · DC power supplies · Energy Storage · ESS
- Standard
- UL 248
- Terminal Type
- Bolted tag (variant L)
- Fuse Speed
- Fast Acting (F)
- Utilization Class
- aR
- Approvals
- UL Recognized
- Certifications
- UL Recognized
- Reference Lead Time
- 4–6 weeks
- Minimum Order
- 10 pcs
- Sample Status
- LT: 4-6w
- Watts Loss @ In
- 129W
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