Price of PartsINDUSTRIAL PRICE INDEX
Siemens

6ES5521-8MA21

2 sellers — below our five-seller verification bar

Market snapshot

Prices updated 10 Aug 2026 · next refresh 10 Sep
$300
Low
$999
High
PLC-Mall.com — $300Well Gain Electronics — $999PLC-Mall.comPLC-Mall.com$300 · MEDIANWell Gain ElectronicsWell Gain Elec…$999

Median $650 · 2 sellers · $350 below median at the lowest

$ Compare your quote against 2 current asking prices.

Asking prices for the exact catalog number 6ES5521-8MA21 currently range from $300 to $999 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-Mall.com $300.00-54% View offer
Well Gain Electronics $999.00+54% View offer

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Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
6ES5521-8MA22one character apart4$257-60%

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 10 Aug 2026, the Siemens 6ES5521-8MA21 is listed from $300 to $999 across 2 sellers. The median asking price is $650. Prices are published seller asking prices and are refreshed monthly.

Who sells the 6ES5521-8MA21?

2 sellers currently list the 6ES5521-8MA21, including PLC-Mall.com, Well Gain Electronics. 2 of them are specialist industrial distributors. The lowest current asking price is $300 from PLC-Mall.com.

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

The highest asking price for the 6ES5521-8MA21 is 3.3× 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.