Price of PartsINDUSTRIAL PRICE INDEX
Siemens

6ES5377-0AA21

4 sellers — below our five-seller verification bar

Market snapshot

Prices updated 9 Oct 2026 · next refresh 9 Nov
$181
Low
$358
High
PLC-Mall.com — $181Relectric.com — $2364D Controls — $309vb-steuerungstechnik.de — $358PLC-Mall.comPLC-Mall.com$181Relectric.comRelectric.com$236 · MEDIAN4D Controls4D Controls$309vb-steuerungstechnik.devb-steuerungst…$358

Median $272 · 4 sellers · $91.31 below median at the lowest

$ Compare your quote against 4 current asking prices.

Asking prices for the exact catalog number 6ES5377-0AA21 currently range from $181 to $358 across 4 sellers, observed 9 Oct 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

4 SELLERS · SORTED BY PRICE
SellerPricevs medianListing
PLC-Mall.com $181.00-34% View offer
Relectric.com $235.62-13% View offer
4D Controls $309.00+13% View offer
vb-steuerungstechnik.de $357.88+31% View offer

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Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
6ES5377-0AA11one character apart5$188-31%

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 6ES5377-0AA21 cost?

As of 9 Oct 2026, the Siemens 6ES5377-0AA21 is listed from $181 to $358 across 4 sellers. The median asking price is $272. Prices are published seller asking prices and are refreshed monthly.

Who sells the 6ES5377-0AA21?

4 sellers currently list the 6ES5377-0AA21, including PLC-Mall.com, Relectric.com, 4D Controls. 4 of them are specialist industrial distributors. The lowest current asking price is $181 from PLC-Mall.com.

Why do 6ES5377-0AA21 prices vary so much?

The highest asking price for the 6ES5377-0AA21 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.