Allen-Bradley 1756-OW16I

Product identity

Product overview

The 1756-OW16I is a ControlLogix contact-output module with 16 normally open, individually isolated outputs. The source provides AC and DC operating ranges with separate load ratings. When sourcing a used relay-output module, the requested condition and test evidence are particularly relevant.

Manufacturer

Allen-Bradley

Part number

1756-OW16I

Product type

Allen-Bradley 1756-OW16I — 16-channel isolated relay output module

Series

ControlLogix 1756 I/O

Category

PLC and I/O modules

Technical reference

Output configuration

16 normally open, individually isolated

Operating voltage range

5–125 V DC; 10–240 V AC

Backplane current at 5.1 V

150 mA

Backplane current at 24 V

150 mA

Total backplane power

4.4 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

Specify the exact catalog number and series, load type and required quantity. Request condition photographs and appropriate output-test evidence for the offered unit. Confirm the terminal block and review the voltage-specific current rating before ordering.

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.