How many Littelfuse Littelfuse ERDM Series part numbers are listed?

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

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

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

Littelfuse ERDM Series

Q: How do the Littelfuse Littelfuse ERDM Series variants differ?

Littelfuse ERDM Series part numbers differ by delay time, supply voltage and timing adjustment method. Use the selection guide above to pick by delay time.

10 variants · Littelfuse

About the Littelfuse Littelfuse ERDM Series series

The Littelfuse Littelfuse ERDM Series series groups 10 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting of Chassis Mount, package of Bulk and timing initiate method of Input Voltage. Variants differ by delay time, supply voltage and timing adjustment method, so you can match the exact delay time your application requires using the selection guide below.

Parameter	ERDM123	ERDM126	ERDM128	ERDM4130S	ERDM4210	ERDM422
Delay time	0.1 Sec to 10 Sec	0.6 Sec to 60 Sec	0.1 Min to 10 Min	Fixed, 30 Sec	1 Min to 100 Min	0.1 Sec to 5 Sec
Supply voltage	12 VDC	12 VDC	12 VDC	120 VAC	120 VAC	120 VAC
Timing adjustment method	Hand Dial	Hand Dial	Hand Dial	Fixed	Hand Dial	Hand Dial

Littelfuse ERDM Series

About the Littelfuse Littelfuse ERDM Series series

Select a variant by

Variant comparison

Shared specifications

Frequently asked questions

All variants

ERDM123

ERDM126

ERDM128

ERDM4130S

ERDM4210

ERDM422

ERDM425

ERDM222

ERDM123

ERDM126

ERDM128

ERDM4130S

ERDM4210

ERDM422

ERDM425

ERDM222