Price of PartsINDUSTRIAL PRICE INDEX
Allen-Bradley

1747-L20A

Limited data — single seller

Market snapshot

Prices updated 9 Oct 2026 · next refresh 9 Nov
$49.99
Low
$100
High
PLC Machinery, Holland Equipment — $49.99Sigma Surplus — $65.00Industrial Parts R Us, Equipt — $95.00Rockss Automation — $100PLC Machinery, Holland EquipmentPLC Machinery +1$49.99Sigma SurplusSigma Surplus$65.00 · MEDIANIndustrial Parts R Us, EquiptIndustrial Par… +1$95.00Rockss AutomationRockss Automat…$100

Median $80.00 · 6 sellers · $30.01 below median at the lowest

$ Compare your quote against 6 current asking prices.

Asking prices for the exact catalog number 1747-L20A currently range from $49.99 to $100 across 6 sellers, observed 9 Oct 2026. Distributor product page: santaclarasystems.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
PLC Machinerynot stated $49.99-38% View offer
Holland Equipmentnot stated $50.00-38% View offer
Sigma SurplusUSED / REFURB $65.00-19% View offer
Industrial Parts R Usnot stated $95.00+19% View offer
EquiptUSED / REFURB $95.00+19% View offer
Rockss Automationnot stated $100.00+25% View offer

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Condition

AS STATED BY SELLERS
Used / refurbished2
Not stated4

Most industrial listings do not state condition — treat unstated as unknown, not as new. Across 11 comparable parts in SLC 500 CPUs, used and refurbished units are listed at a median 71% 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
1747-L40Cone character apart14$263+229%
1747-L20Cone character apart7$349+337%
1747-L20Bone character apart7$720+800%
1747-L40Bone character apart6$709+787%
1747-L30Bone character apart5$480+500%
1747-L40Aone character apart4$774+868%
1747-L30Aone character apart3$519+549%

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 1747-L20A cost?

As of 9 Oct 2026, the Allen-Bradley 1747-L20A is listed from $49.99 to $100 across 6 sellers. The median asking price is $80.00. Prices are published seller asking prices and are refreshed monthly.

Who sells the 1747-L20A?

6 sellers currently list the 1747-L20A, including PLC Machinery, Holland Equipment, Sigma Surplus. 6 of them are specialist industrial distributors. The lowest current asking price is $49.99 from PLC Machinery.

Why do 1747-L20A prices vary so much?

The highest asking price for the 1747-L20A 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.

Related SLC 500 CPUs parts

10 SHOWN
Catalog numberSellersLowMedianSpread
1747-UICSLC 500 CPUs10$56.05$113+$142
1747-BASLC 500 CPUs1$43.95$43.95+$0.00
1747-CP3SLC 500 CPUs4$19.95$57.00+$49.05
1747-AENTRSLC 500 CPUs5$1,129$2,500+$3,071
1747-L551SLC 500 CPUs16$780$1,527+$1,820
1747-L552SLC 500 CPUs10$755$2,465+$4,624
1747-L553SLC 500 CPUs16$868$2,523+$4,232
1747-SNSLC 500 CPUs3$18.99$19.95+$11.01
1747-L532SLC 500 CPUs17$99.99$189+$380
1747-L541SLC 500 CPUs13$90.00$300+$540