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Littelfuse HRV4 Series

5 variants · Littelfuse

About the Littelfuse HRV4 Series

The Littelfuse HRV4 Series series groups 5 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, package of Bulk and supply voltage of 120 VAC. Variants differ by delay time, so you can match the exact delay time your application requires using the selection guide below. All listed Littelfuse HRV4 Series part numbers are active and orderable.

Select a variant by

Delay time
0.1 Min to 12.7 Min · 1 Sec to 127 Sec · 5 Sec to 635 Sec

Shared specifications

Mounting
Chassis Mount
Package
Bulk
Supply voltage
120 VAC
Timing adjustment method
DIP Switches
Timing initiate method
Input Voltage
Type
Mechanical Relay

Variant comparison

ParameterHRV41AEHRV41SEHRV42SEHRV43AEHRV43AN
Delay time1 Sec to 127 Sec1 Sec to 127 Sec5 Sec to 635 Sec0.1 Min to 12.7 Min0.1 Min to 12.7 Min

Request a quote on any Littelfuse HRV4 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants