1771-IA2
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Product Conditions
Product Conditions
Surplus: Surplus units show no signs of installation or having been used previously. These units are in the original packaging, which may have been opened.
Used: Used units have been previously used and are inspected, cleaned and tested.
All units come with a 1 Year Replace Industrial Warranty.
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Product Conditions
Replace Industrial, LLC is not affiliated with any of the manufacturers listed on this website. All products are sourced & verified through the industrial surplus market and through other independent supply chains. We do not convey any manufacturer warranty with the product. Each product sold comes with a 2 Year Replace Industrial Warranty, unless specified otherwise. This warranty conveys solely through Replace Industrial, LLC. and is completely unaffiliated with any manufacturer warranty. The terms of our warranty can be found here.
Surplus: This unit is sourced through the industrial market outside of the manufacturer and has been independently verified to not have been used operationally previously. These units are in the original packaging, but the packaging & unit may show signs of shelf wear.
Used: This unit may have been previously used and show signs of wear. The unit has been independently verified and is guaranteed with a 1 Year Replace Automation Warranty. The unit has been sourced through independent supply chains in the industrial markets.
Firmware: Replace Industrial, LLC sells hardware only and does not sell firmware and makes no representation as to what firmware may or may not be present on the hardware. We do not obtain or provide software for customers.
Allen-Bradley 1771-IA2
The Allen‑Bradley 1771‑IA2 is a PLC‑5 digital input module designed for interfacing with AC and DC field devices such as proximity switches. It features eight (8) input channels that accept 120 V AC or DC signals, making it versatile for various control applications. Each channel is optically isolated to protect logic circuits from high-voltage spikes and electrical noise. The module installs easily into any compatible 1771 I/O chassis and uses the 1771‑WA wiring arm for streamlined field wiring. With its rugged design and reliable signal detection, the 1771‑IA2 is ideal for industrial environments requiring durable digital input solutions.
| Manufacturer | Rockwell Automation |
| Brand | Allen‑Bradley |
| Part Number | 1771‑IA2 |
| Product Type | Digital Input Module |
| Series | PLC‑5 / 1771 Bulletin |
| Number of Inputs | 8 Channels |
| Input Voltage | 120 V AC/DC |
| Input Type | AC/DC Proximity Switch Compatible |
| Wiring Arm | 1771‑WA |
| Mounting | Rack‑Mountable (1771 I/O Chassis) |
| Status | Discontinued by Manufacturer |
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