Allen-Bradley 1756-IA16I

Product identity

Product overview

The 1756-IA16I provides 16 individually isolated digital inputs in the ControlLogix family. Its signal voltage category is 120 V AC at 50/60 Hz. The final I distinguishes this model from the grouped-input 1756-IA16 and should be retained in the request.

Manufacturer

Allen-Bradley

Part number

1756-IA16I

Product type

Allen-Bradley 1756-IA16I — 16-channel individually isolated AC input module

Series

ControlLogix 1756 I/O

Category

PLC and I/O modules

Technical reference

Channel configuration

16 individually isolated

Signal voltage category

120V AC 50/60 Hz

Backplane current at 5.1 V

125 mA

Backplane current at 24 V

3 mA

Total backplane power

0.71 W

Chassis slot width

1 slot

Catalog reference data reviewed 2026-09-08. Confirm the exact unit and application before ordering; these parameters do not establish interchangeability.

Before requesting this part

Send the complete catalog number and hardware-series marking, plus the required quantity and terminal-block requirements. The source table and its footnote give different lower operating-voltage limits; confirm that detail against the unit-specific manual before engineering use.

Browse plc and i/o modules or read our verification process.

Classification terminology includes information from ETIM International under ODC Attribution 1.0.

Sourcing capabilities

Conditions considered on request

These are sourcing capabilities, not claims of current stock. Exact condition and evidence are stated in the quotation.

From requirement to a usable quote

Send the full MPN, quantity, acceptable condition, delivery country and required date. We may ask for missing identity or application details before sourcing.

A proposed quote must identify the exact item, revision where relevant, condition, quantity, price and currency, estimated lead time, delivery terms, warranty provider and scope, and validity. Supply remains subject to verification.

Read about hard-to-find part sourcing, replacement review or a multi-part requirement.