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Littelfuse

Littelfuse LLSRK.400ID 0.4A 600V Class RK1 Time-Delay Fuse

Part Number: LLSRK.400ID

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Specified as LLSRK.400ID, this 0.4A Littelfuse device is intended for time-delay, current-limiting Class RK1 protection for general circuits, motors and transformers, supplied as industrial cartridge, non-indicating fractional-amp version.

Rated Current0.4A
Rated Voltage600 V AC / 300 V DC
Breaking Capacity200 kA AC / 20 kA DC
PackageClass R

The Littelfuse LLSRK_ID Series part LLSRK.400ID provides a 0.4A rating for time-delay, current-limiting Class RK1 protection for general circuits, motors and transformers. Rated 600 V AC / 300 V DC with 200 kA AC and 20 kA DC interrupting capability; dual-element POWR-PRO construction. This listing retains the manufacturer-specific configuration: industrial cartridge, non-indicating fractional-amp version. Confirm application conditions and current manufacturer documentation before final selection.

Technical Specifications

Part Number
LLSRK.400ID
Manufacturer Part Number
LLSRK.400ID
Series
LLSRK_ID Series
Fuse Type
Current-Limiting Cartridge Fuse
Current Rating
0.4A
Voltage Rating
600 V AC / 300 V DC
AC / DC
AC/DC
Breaking Capacity
200 kA AC / 20 kA DC
Package / Dimensions
Class R
Mounting
Cartridge / Clip · Fuse Holder
Application
General purpose circuits · Motor · Safety Upgrades · Transformers
Standard
UL 248-12
Terminal Type
Ferrule or blade by ampere rating
Fuse Speed
Time Delay
Utilization Class
Class RK1
Approvals
CSA · UL
Certifications
UL Listed; CSA Certified; Federal QPL

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