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We have an expert support staff that can help you trouble shoot or you can access our technical support documentation in our tech support section.

Our pricing is already good, but we can offer additional discounts to resellers who buy from us regularly.

Qualitrol has been repairing and supplying PLC parts for over 25 years, we have huge inventory and expert technical support. You can buy New, Remanufactured or have you item repaired with 2 year warranty on Remanufactured products. Click here to learn more about Qualitrol.

We understand that dealing with a local supplier is more comforting dealing face to face. Qualitrol support PLC products all over the world, we can get you the part you need quicker than your local supplier, cheaper and with better technical knowledge and support. We specialize in PLC’s and Drives.

Celebrating 20 Years


Description: The 1771-IN is a general purpose 24V AC input module that houses 8 inputs. Operating voltage for 1771IN is 12...28V AC. Off-state current max. is 2.8mA and backplane current load is 80mA. Wiring arm is the 1771-WA.
Weight: 3.00 lbs.



Remanufactured 1771-IN - 2 year Warranty (Learn More)
Price: $44.00 
Call for Availability

Call 800-784-9385 or contact us now for more information.

Repair 1771-IN (Learn More)
Price to Repair: $30.80
To get your part repaired, fill out our repair form or call 800-784-9385 for more information.
Availability last updated at 6:45 pm Eastern Time September 28th, 2016