Siemens

3RV2021-4CA20

Limited data — single seller

Market snapshot

Prices updated 9 Oct 2026 · next refresh 9 Nov

$75.87

Low

$97.00

High

Median $86.44 · 2 sellers · $10.56 below median at the lowest

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$ Compare your quote against 2 current asking prices.

Asking prices for the exact catalog number 3RV2021-4CA20 currently range from $75.87 to $97.00 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
plc-city.com	$75.87	-12%	View offer
PLC-Mall.com	$97.00	+12%	View offer

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Variants and similar numbers

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Catalog number	Relationship	Sellers	Median	vs this part
3RV2021-4DA10	one character apart	16	$114	+32%
3RV2021-4BA10	one character apart	10	$147	+70%
3RV2021-1JA20	one character apart	5	$155	+79%
3RV2021-4FA10	one character apart	5	$297	+244%
3RV2021-4CA10	one character apart	5	$137	+58%
3RV2021-4AA20	one character apart	4	$138	+59%
3RV2021-4CA15	one character apart	4	$202	+133%
3RV2021-4NA10	one character apart	4	$114	+32%

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 3RV2021-4CA20 cost?

As of 9 Oct 2026, the Siemens 3RV2021-4CA20 is listed from $75.87 to $97.00 across 2 sellers. The median asking price is $86.44. Prices are published seller asking prices and are refreshed monthly.

Who sells the 3RV2021-4CA20?

2 sellers currently list the 3RV2021-4CA20, including plc-city.com, PLC-Mall.com. 2 of them are specialist industrial distributors. The lowest current asking price is $75.87 from plc-city.com.