Littelfuse

Littelfuse LLSRK040 40 A 600 V AC / 300 V DC Class RK1 Time-Delay Fuse

Name: Littelfuse LLSRK040 40 A 600 V AC / 300 V DC Class RK1 Time-Delay Fuse
Brand: Littelfuse
SKU: LLSRK040

Part Number: LLSRK040

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LLSRK040 is a Littelfuse Class RK1 time-delay fuse rated 40 A for 600 V AC / 300 V DC, intended for general-purpose circuits.

Rated Current40 A

Rated Voltage600 V AC / 300 V DC

Breaking Capacity200 kA AC / 20 kA DC

PackageClass R

Tags

40A 600 V AC / 300 V DC class rk1 Littelfuse LLSRK Series LLSRK040 time-delay

The LLSRK040 order code identifies a Littelfuse LLSRK fuse with a 40 A current rating and time-delay response. The Class RK1 format is intended for general-purpose circuits; published interrupting capability is 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: LLSRK040
Manufacturer Part Number: LLSRK040
Series: LLSRK Series
Fuse Type: Dual-element current-limiting fuse
Current Rating: 40 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