Price of PartsINDUSTRIAL PRICE INDEX
Siemens

6SE7021-0TA51

Verified market

Market snapshot

Prices updated 20 Sep 2026 · next refresh 21 Oct
$1,800
Low
$3,945
High
SB Industrial Supply — $1,800PLCHardware.com — $1,862Radwell.com — $1,952Shop.adegis.com — $2,850JC-Electronics US — $3,271Automation Warehouse — $3,945SB Industrial SupplySB Industrial …$1,800PLCHardware.comPLCHardware.com$1,862Radwell.comRadwell.com$1,952 · MEDIANShop.adegis.comShop.adegis.com$2,850JC-Electronics USJC-Electronics…$3,271Automation WarehouseAutomation War…$3,945

Median $2,401 · 6 sellers · $601 below median at the lowest

$ Compare your quote against 6 current asking prices.

Asking prices for the exact catalog number 6SE7021-0TA51 currently range from $1,800 to $3,945 across 6 sellers, observed 20 Sep 2026. Distributor product page: mroelectric.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

6 SELLERS · SORTED BY PRICE
SellerConditionPricevs medianListing
SB Industrial SupplyUSED / REFURB $1,800.00-25% View offer
PLCHardware.comnot stated $1,862.00-22% View offer
Radwell.comnot stated $1,951.50-19% View offer
Shop.adegis.comUSED / REFURB $2,850.00+19% View offer
JC-Electronics USUSED / REFURB $3,270.83+36% View offer
Automation WarehouseNEW $3,945.20+64% View offer

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Condition

AS STATED BY SELLERS
New1
Used / refurbished3
Not stated2

Most industrial listings do not state condition — treat unstated as unknown, not as new. Across 666 comparable parts across the index, used and refurbished units are listed at a median 83% of the new price. These are asking prices, not sold prices, and the spread around that median is wide. Ask the seller to state condition in writing before comparing quotes.

Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
6SE7021-0TA61one character apart7$2,571+7%
6SE7021-0TP50one character apart6$1,210-50%
6SE7021-3TB51one character apart3$2,970+24%
6SE7021-0EA61one character apart3$1,790-25%
6SE7021-0EA51one character apart2$3,460+44%
6SE7021-8TB51one character apart2$3,710+55%

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 6SE7021-0TA51 cost?

As of 20 Sep 2026, the Siemens 6SE7021-0TA51 is listed from $1,800 to $3,945 across 6 sellers. The median asking price is $2,401. Prices are published seller asking prices and are refreshed monthly.

Who sells the 6SE7021-0TA51?

6 sellers currently list the 6SE7021-0TA51, including SB Industrial Supply, PLCHardware.com, Radwell.com. 6 of them are specialist industrial distributors. The lowest current asking price is $1,800 from SB Industrial Supply.

Why do 6SE7021-0TA51 prices vary so much?

The highest asking price for the 6SE7021-0TA51 is 2.2× 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.