Allen-Bradley

1771-A4B

Name: 1771-A4B
Brand: Allen-Bradley

Verified market

Market snapshot

Prices updated 20 Sep 2026 · next refresh 21 Oct

$81.67

Low

$270

High

Median $148 · 8 sellers · $65.92 below median at the lowest

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$ Compare your quote against 8 current asking prices.

Asking prices for the exact catalog number 1771-A4B currently range from $81.67 to $270 across 8 sellers, observed 20 Sep 2026. Distributor product page: santaclarasystems.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

8 SELLERS · SORTED BY PRICE

Seller	Condition	Price	vs median	Listing
Lenmark.com	USED / REFURB	$81.67	-45%	View offer
Sigma Surplus	not stated	$93.00	-37%	View offer
NRI Industrial Sales	not stated	$93.90	-36%	View offer
kjcontracting.net	not stated	$100.00	-32%	View offer
all4sps	not stated	$195.19	+32%	View offer
Classic Automation	not stated	$199.00	+35%	View offer
Relectric.com	not stated	$255.42	+73%	View offer
Blackstar Assets	not stated	$269.99	+83%	View offer

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Condition

AS STATED BY SELLERS

Used / refurbished	1
Not stated	7

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 number	Relationship	Sellers	Median	vs this part
1771-A3B	one character apart	13	$191	+29%
1771-A1B	one character apart	8	$204	+38%
1771-AM2	one character apart	2	$2,859	+1837%

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 1771-A4B cost?

As of 20 Sep 2026, the Allen-Bradley 1771-A4B is listed from $81.67 to $270 across 8 sellers. The median asking price is $148. Prices are published seller asking prices and are refreshed monthly.

Who sells the 1771-A4B?

8 sellers currently list the 1771-A4B, including Lenmark.com, Sigma Surplus, NRI Industrial Sales. 8 of them are specialist industrial distributors. The lowest current asking price is $81.67 from Lenmark.com.

Why do 1771-A4B prices vary so much?

The highest asking price for the 1771-A4B 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.