Littelfuse

Littelfuse LLSRK400 400 A 600 V AC / 300 V DC Class RK1 Time-Delay Fuse

Name: Littelfuse LLSRK400 400 A 600 V AC / 300 V DC Class RK1 Time-Delay Fuse
Brand: Littelfuse
SKU: LLSRK400

Part Number: LLSRK400

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LLSRK400 is a Littelfuse Class RK1 time-delay fuse rated 400 A for 600 V AC / 300 V DC, intended for general-purpose circuits.

Rated Current400 A

Rated Voltage600 V AC / 300 V DC

Breaking Capacity200 kA AC / 20 kA DC

PackageClass R

Tags

400A 600 V AC / 300 V DC class rk1 Littelfuse LLSRK Series LLSRK400 time-delay

Designed within the Littelfuse LLSRK range, LLSRK400 is a time-delay 400 A fuse for 600 V AC / 300 V DC systems. Its Class RK1 construction supports general-purpose circuits, with an interrupting rating of 200 kA AC / 20 kA DC. Published series specifications reference UL 248-12, Class RK1; Federal Specification WF-1814; approvals include UL E81895; CSA LR29862. Verify coordination, derating and suitability against the current Littelfuse datasheet before design-in.

Technical Specifications

Part Number: LLSRK400
Manufacturer Part Number: LLSRK400
Series: LLSRK Series
Fuse Type: Dual-element current-limiting fuse
Current Rating: 400 A
Voltage Rating: 600 V AC / 300 V DC
AC / DC: AC/DC
Breaking Capacity: 200 kA AC / 20 kA DC
Operating Temperature: Refer to manufacturer datasheet
Package / Dimensions: Class R
Mounting: Cartridge / Clip · Fuse Holder
Application: General purpose circuits · Motor · Safety Upgrades · Transformers
Standard: Federal Specification WF-1814 · UL 248-12
Terminal Type: Ferrule or blade terminals by amp rating
Fuse Speed: Time Delay
Utilization Class: Class RK1
Approvals: CSA · UL
Certifications: UL Listed; CSA Certified; Littelfuse DC self-certified
Sample Status: Contact for sample availability