Skip to main content

Littelfuse LSRU115 Series

16 variants · Littelfuse

About the Littelfuse LSRU115 Series

The Littelfuse LSRU115 Series series groups 16 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common mounting of Chassis Mount, output signal of Relay and package of Bulk. Variants differ by trip range and delay time, so you can match the exact trip range your application requires using the selection guide below. All listed Littelfuse LSRU115 Series part numbers are active and orderable.

Select a variant by

Trip range
0–10 A AC · 5–25 A AC · 25–100 A AC
Delay time
0.02 Sec to 0.3 Sec · 0.5 Sec to 60 Sec · 0.5 Sec to 300 Sec

Shared specifications

Mounting
Chassis Mount
Output signal
Relay
Package
Bulk
Product type
Current Sensing AC
Supply voltage
115 VAC
Temp operating max
70 °C
Temp operating min
-40 °C

Variant comparison

ParameterLSRU-115-AL-3LSRU-115-OR-2LSRU-115-OT-3LSRU-115-OU-2LSRU-115-UE-2LSRU-115-UR-2
Trip range25–100 A AC5–25 A AC25–100 A AC5–25 A AC5–25 A AC5–25 A AC
Delay time0.5 Sec to 300 Sec0.5 Sec to 60 Sec0.02 Sec to 0.3 Sec0.5 Sec to 300 Sec

Request a quote on any Littelfuse LSRU115 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants