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Littelfuse 7775 Series

4 variants · Littelfuse

About the Littelfuse 7775 Series

The Littelfuse 7775 Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common delay time of 0 to 999 s, mounting of Chassis Mount and package of Bulk. Variants differ by trip range, so you can match the exact trip range your application requires using the selection guide below. All listed Littelfuse 7775 Series part numbers are active and orderable.

Select a variant by

Trip range
1–800 A · 2–100 A · 2–800 A

Shared specifications

Delay time
0 to 999 s
Mounting
Chassis Mount
Package
Bulk
Supply voltage
500 to 600VAC
Temp operating max
70 °C
Temp operating min
-20 °C

Variant comparison

Parameter777-575-HRG-P2777-575-KW/HP-P2777-575-LR-P2777-575-P2
Trip range2–100 A2–800 A1–800 A2–800 A

Request a quote on any Littelfuse 7775 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants