Omron

E3FA-RN21

Limited data — single seller

Market snapshot

Prices updated 9 Oct 2026 · next refresh 9 Nov

$52.97

Low

$104

High

Median $78.35 · 2 sellers · $25.38 below median at the lowest

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$ Compare your quote against 2 current asking prices.

Asking prices for the exact catalog number E3FA-RN21 currently range from $52.97 to $104 across 2 sellers, observed 9 Oct 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

2 SELLERS · SORTED BY PRICE

Seller	Price	vs median	Listing
Axxa Automation	$52.97	-32%	View offer
DigiKey	$103.73	+32%	View offer

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Variants and similar numbers

VERIFY BEFORE ORDERING

Catalog number	Relationship	Sellers	Median	vs this part
E3FA-DN21	one character apart	2	$139	+78%
E3FA-TN21	one character apart	2	$181	+130%

These are different products that read almost identically on a purchase order. Google groups them together; we do not. Confirm the exact suffix against the nameplate before ordering.

Frequently asked

How much does a E3FA-RN21 cost?

As of 9 Oct 2026, the Omron E3FA-RN21 is listed from $52.97 to $104 across 2 sellers. The median asking price is $78.35. Prices are published seller asking prices and are refreshed monthly.

Who sells the E3FA-RN21?

2 sellers currently list the E3FA-RN21, including Axxa Automation, DigiKey. 2 of them are specialist industrial distributors. The lowest current asking price is $52.97 from Axxa Automation.

Why do E3FA-RN21 prices vary so much?

The highest asking price for the E3FA-RN21 is 2.0× the lowest. Industrial parts trade in a market where new surplus, refurbished stock and list-price sellers coexist without a shared price reference, so identical catalog numbers are listed at very different prices.