How do the Littelfuse Littelfuse ECSH Series variants differ?

Littelfuse ECSH Series part numbers differ by delay time, supply voltage and trip range. Use the selection guide above to pick by delay time.

How many Littelfuse Littelfuse ECSH Series part numbers are listed?

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

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

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

Littelfuse ECSH Series

13 variants · Littelfuse

About the Littelfuse Littelfuse ECSH Series series

The Littelfuse Littelfuse ECSH Series series groups 13 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, operating temperature of 60 °C and output signal of Relay. Variants differ by delay time, supply voltage and trip range, so you can match the exact delay time your application requires using the selection guide below.

Parameter	ECSH30AC	ECSH31F.08D	ECSH40AD	ECSH41AC	ECSH41AD	ECSH41BC
Delay time	0.15 Sec to 7 Sec	Fixed, 0.08 Sec	0.15 Sec to 7 Sec	0.15 Sec to 7 Sec	0.15 Sec to 7 Sec	0.5 Sec to 50 Sec
Supply voltage	24 VDC	24 VDC	120 VAC	120 VAC	120 VAC	120 VAC
Trip range	0.5–5 A AC	2–20 A AC	0.5–5 A AC	2–20 A AC	2–20 A AC	2–20 A AC

Littelfuse ECSH Series

About the Littelfuse Littelfuse ECSH Series series

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Variant comparison

Shared specifications

Frequently asked questions

All variants

ECSH30AC

ECSH31F.08D

ECSH40AD

ECSH41AC

ECSH41AD

ECSH41BC

ECSH4HAD

ECSH4HF.08D

ECSH61AD

ECSH40AC

ECSH30AC

ECSH31F.08D

ECSH40AD

ECSH41AC

ECSH41AD

ECSH41BC

ECSH4HAD

ECSH4HF.08D

ECSH61AD

ECSH40AC