Price of PartsINDUSTRIAL PRICE INDEX
Siemens

3RV2021-4CA20

2 sellers — below our five-seller verification bar

Market snapshot

Prices updated 10 Aug 2026 · next refresh 10 Sep
$71.78
Low
$139
High
PLC-city.com — $71.78PLC Direct — $139PLC-city.comPLC-city.com$71.78 · MEDIANPLC DirectPLC Direct$139

Median $105 · 2 sellers · $33.64 below median at the lowest

$ Compare your quote against 2 current asking prices.

Asking prices for the exact catalog number 3RV2021-4CA20 currently range from $71.78 to $139 across 2 sellers, observed 10 Aug 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

2 SELLERS · SORTED BY PRICE
SellerPricevs medianListing
PLC-city.com $71.78-32% View offer
PLC Direct $139.07+32% View offer

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Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
3RV2021-4CA10one character apart8$190+80%
3RV2021-1CA10one character apart4$217+106%
3RV2021-4EA10one character apart4$149+41%
3RV2021-4BA10one character apart3$134+27%
3RV2021-4FA10one character apart3$266+153%
3RV2021-4BA20one character apart2$105-1%
3RV2021-4EA20one character apart2$145+37%
3RV2021-4CA15one character apart2$148+40%

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 10 Aug 2026, the Siemens 3RV2021-4CA20 is listed from $71.78 to $139 across 2 sellers. The median asking price is $105. 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 Direct. 2 of them are specialist industrial distributors. The lowest current asking price is $71.78 from PLC-city.com.

Why do 3RV2021-4CA20 prices vary so much?

The highest asking price for the 3RV2021-4CA20 is 1.9× 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.