| Brand | Allen-Bradley |
| Voltage | 120V ac |
| Mounting | Vertical / Horizontal |
| Dimensions | 6.95 x 2.7 x 3.85 in. |
| Manufacturer | Rockwell Automation |
| Product Type | Block I/O |
| No. of Groups | 2 groups of 8 |
| No. of Inputs | Sixteen (16) |
| External Power | 85-132V ac |
| Inputs per Block | 16 |
| Outputs per Block | 0 |
| Output Voltage Range | N/A |
| Maximum Surge Current | 10A for 50ms (repeatable every 2s) |
| Maximum output rating | 600mA @ 30 Deg. Celsius; 300mA @ 60 Deg. Celsius; |
| Nominal Input voltage | 120VAC |
| Input On-state Current | 5mA @ 79V min. |
| On-state voltage range | 79-132VAC, 47-63 Hz |
| External Power, Current | 150 mA |
| External Power, Voltage | 85-132VAC, 47-63 Hz |
| Input Off-state Current | 2.3mA min. |
| Input Off-state Voltage | 35V max. |
| Part Number/Catalog No. | 1791-16A0 |
| Maximum Off-state Voltage | 35VAC |
| Product Lifecycle Status* | Discontinued/Obsolete |
| Compatible field instruments | proximity switches; limit switches; selector switches;float switches; pushbutton switches |
| Input On-state Voltage Range | 79-132V ac |
Does the Allen-Bradley 1791-16AO come with a warranty?
Yes. The 1791-16AO is backed by our 24-Month Replace Industrial Warranty, with no rush fees or hidden warranty charges. If a unit fails under normal use within the warranty period, we repair or replace it.
Is this 1791-16AO a genuine Allen-Bradley part?
The 1791-16AO is sourced and verified independently. Replace Industrial, LLC is not a Rockwell Automation Authorized Distributor, and all warranties are provided directly by Replace Industrial.
Is the Allen-Bradley 1791-16AO new or used?
We offer the 1791-16AO in multiple conditions, from unused surplus to professionally reconditioned units. Every option is sourced and verified independently and covered by our 2-year replacement warranty.
What are the key ratings of the 1791-16AO?
The 1791-16AO runs on 120VAC.
What is the Allen-Bradley 1791-16AO?
The 1791-16AO is an Allen-Bradley Block I/O Block I/O.
1791-16AO
The Allen-Bradley 1791-16A0 by Rockwell Automation is a discontinued Block I/O module with 16 AC inputs, supporting 120VAC nominal input voltage. Designed for flexible mounting, it operates within a 79-132VAC on-state voltage range and requires 85-132VAC external power. This module integrates with various field instruments, providing reliable input interfacing for industrial automation systems.
All products are covered by our 2-Year (24-Month) Replace Industrial Warranty. If a unit is found defective under normal use within the warranty period, we repair or replace it at no additional cost, and a unit may be returned for a full refund within 30 days if returned in the same condition it was sent.
Replace Industrial is an independent distributor and does not convey the manufacturer's warranty; all warranties are provided by Replace Industrial alone. Read the full warranty policy
We repair a wide range of industrial automation equipment, including PLCs, HMIs, drives, servo motors, switches, and circuit breakers, with rush service for critical downtime. Request a quote, ship your unit, and we diagnose, repair, and return it. Request a repair quote
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