Price of PartsINDUSTRIAL PRICE INDEX
Siemens

6ES5521-8MA21

4 sellers — below our five-seller verification bar

Market snapshot

Prices updated 9 Oct 2026 · next refresh 9 Nov
$256
Low
$1,172
High
Radwell.com — $256Chief Automation — $947Well Gain Electronics — $999Superior Lighting — $1,172Radwell.comRadwell.com$256Chief AutomationChief Automati…$947 · MEDIANWell Gain ElectronicsWell Gain Elec…$999Superior LightingSuperior Light…$1,172

Median $973 · 4 sellers · $717 below median at the lowest

$ Compare your quote against 4 current asking prices.

Asking prices for the exact catalog number 6ES5521-8MA21 currently range from $256 to $1,172 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
Radwell.com $255.76-74% View offer
Chief Automation $947.49-3% View offer
Well Gain Electronics $999.00+3% View offer
Superior Lighting $1,172.16+20% View offer

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Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
6ES5521-8MA22one character apart5$308-68%

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 6ES5521-8MA21 cost?

As of 9 Oct 2026, the Siemens 6ES5521-8MA21 is listed from $256 to $1,172 across 4 sellers. The median asking price is $973. Prices are published seller asking prices and are refreshed monthly.

Who sells the 6ES5521-8MA21?

4 sellers currently list the 6ES5521-8MA21, including Radwell.com, Chief Automation, Well Gain Electronics. 4 of them are specialist industrial distributors. The lowest current asking price is $256 from Radwell.com.

Why do 6ES5521-8MA21 prices vary so much?

The highest asking price for the 6ES5521-8MA21 is 4.6× 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.