Building Filters
About the Allen-Bradley 1771
The Allen-Bradley 1771 is a legacy modular I/O system designed for industrial control and machine automation. Built for reliability in harsh environments, it offers broad I/O module variety and simple integration into older PLC installations, making it a common choice for maintenance, retrofit and spare-parts applications.
- Trusted Seller
ALLEN BRADLEY 1771-0Q16 SERIES B ISOLATED DC OUTPUT MODULE 10-32VDC #L-526
- Manufacturer: Allen-Bradley
- Model: 1771
ALLEN BRADLEY 1771-0Q16 SERIES B ISOLATED DC OUTPUT MODULE 10-32VDC #L-526 30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM CLOSED LOCATIONS AND OTHER TRUSTE...
$50 USDMontgomeryville, PA - Trusted Seller
ALLEN BRADLEY 1771-IAD SERIES D 120V AC/DC INPUT MODULE REV C01 STOCK #1788
- Manufacturer: Allen-Bradley
- Model: 1771
ALLEN BRADLEY 1771-IAD SERIES D 120V AC/DC INPUT MODULE REV C01 STOCK #1788 30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM CLOSED LOCATIONS AND OTHER TRUST...
$30 USDMontgomeryville, PA - Trusted Seller
ALLEN BRADLEY 1771-ASB SER. D
- Manufacturer: Allen-Bradley
- Model: 1771-ASB
Came from working unit 30 day warranty WrG
$199 USDAllendale, MI 
Allen Bradley,1771-0G,Output Module
- Manufacturer: Allen-Bradley
- Model: 1771
What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...
$100 USDGalion, OH
ALLEN BRADLEY,1771-DMC1,CONTROL COPROCESSOR
- Manufacturer: Allen-Bradley
- Model: 1771
What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...
$100 USDGalion, OH- Trusted Seller
Allen-Bradley 1771-WA Swing Arm
- Manufacturer: Allen-Bradley
- Model: 1771
New 30 day warranty Wr19 Bin3 Mpn: 1771WA
$10 USDAllendale, MI - Trusted Seller
ALLEN BRADLEY 1771-OD16 ISOLATED 120V AC OUTPUT MODULE
- Manufacturer: Allen-Bradley
- Model: 1771
Came from working unit 30 day warranty WrR Mpn: 1771-OD16
$199 USDAllendale, MI 
ALLEN BRADLEY,1771-DMC4/A,CONTROL COPROCESSOR
- Manufacturer: Allen-Bradley
- Model: 1771
Used in good condition. Part was pulled from operation upon factory shutdown and has been in storage since. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multi...
$80 USDGalion, OH- Trusted Seller
Allen Bradley 1771-AR Ser B
- Manufacturer: Allen-Bradley
- Model: 1771
New 30 day warranty Wr33 Mpn: 1771-AR | Ebay product id (epid): 143698045 | Controller platform: Series 1 | Type: I/O Module
$299 USDAllendale, MI - Trusted Seller
Allen Bradley 1771-IE 8 Bit Analog Input Module
- Manufacturer: Allen-Bradley
- Model: 1771
Came from working unit 30 day warranty WrD Mpn: 1771IE | Ebay product id (epid): 169956494
$199 USDAllendale, MI - Trusted Seller
ALLEN BRADLEY 1771-ASB/C ADAPTER MODULE REV E SERIES C
- Manufacturer: Allen-Bradley
- Model: 1771-ASB/C
Came from working unit 30 day warranty WrA Mpn: 1771-ASB | Type: I/O Module | Make: Allen-Bradley | Controller platform: PLC-5
$199 USDAllendale, MI 
ALLEN BRADLEY,1771-DXPS,CONTROL COPROCESSOR SERIAL EXPANDER MODULE
- Manufacturer: Allen-Bradley
- Model: 1771
Used in good condition. Part was pulled from operation upon factory shutdown and has been in storage since. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multi...
$160 USDGalion, OH- Trusted Seller
Allen Bradley 1771QB Linear Positioning Module PLC Series C Firm C
- Manufacturer: Allen-Bradley
- Model: 1771
New Surplus, Acquired From Spare Parts Storeroom. New in Original Manufacturer's Packaging. Opened box. Sealed bag. If this item ships as Flat Rate Freight please see details in Shipping tab
$3,200 USDMillersburg, IN - Trusted Seller
ALLEN BRADLEY 1771-DA SER A ASCII I/O MODULE
- Manufacturer: Allen-Bradley
- Model: 1771
Came from working unit 30 day warranty wrbin17 Mpn: 1771-DA | Ebay product id (epid): 143766098 | Type: I/O Module
$45 USDMuskegon, MI - Trusted Seller
Allen Bradley 1771-OX Power Contact Output Module
- Manufacturer: Allen-Bradley
- Model: 1771
Came from working unit 30 day warranty wrbin17
$79 USDMuskegon, MI
