How do the Littelfuse Littelfuse LSRU115 Series variants differ?

Littelfuse LSRU115 Series part numbers differ by trip range and delay time. Use the selection guide above to pick by trip range.

How many Littelfuse Littelfuse LSRU115 Series part numbers are listed?

16 Littelfuse Littelfuse LSRU115 Series part numbers are listed, each with specifications and a datasheet where available.

How do I get pricing and lead time for Littelfuse Littelfuse LSRU115 Series?

Request a quote (RFQ) for any Littelfuse LSRU115 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

Littelfuse LSRU115 Series

16 variants · Littelfuse

About the Littelfuse Littelfuse LSRU115 Series series

The Littelfuse 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, operating temperature of 70 °C and output signal of Relay. 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.

Parameter	LSRU-115-AL-3	LSRU-115-OR-2	LSRU-115-OT-3	LSRU-115-OU-2	LSRU-115-UE-2	LSRU-115-UR-2
Trip range	25–100 A AC	5–25 A AC	25–100 A AC	5–25 A AC	5–25 A AC	5–25 A AC
Delay time	—	0.5 Sec to 300 Sec	0.5 Sec to 60 Sec	—	0.02 Sec to 0.3 Sec	0.5 Sec to 300 Sec

Littelfuse LSRU115 Series

About the Littelfuse Littelfuse LSRU115 Series series

Select a variant by

Variant comparison

Shared specifications

Frequently asked questions

All variants

LSRU-115-AL 1.5

LSRU-115-AL-2

LSRU-115-AL-3

LSRU-115-FC-1.5

LSRU-115-OR-1.5

LSRU-115-OR-2

LSRU-115-OT-1.5

LSRU-115-OT-2

LSRU-115-OT-3

LSRU-115-OU-1.5

LSRU-115-OU-2

LSRU-115-OU-3

LSRU-115-UE-2

LSRU-115-UR-2

LSRU-115-UT-2

LSRU-115-UT-3

LSRU-115-AL 1.5

LSRU-115-AL-2

LSRU-115-AL-3

LSRU-115-FC-1.5

LSRU-115-OR-1.5

LSRU-115-OR-2

LSRU-115-OT-1.5

LSRU-115-OT-2

LSRU-115-OT-3

LSRU-115-OU-1.5

LSRU-115-OU-2

LSRU-115-OU-3

LSRU-115-UE-2

LSRU-115-UR-2

LSRU-115-UT-2

LSRU-115-UT-3