Allen-Bradley 1756-OX8IK ControlLogix 8-point

Allen-Bradley 1756-OX8IK ControlLogix relay output module, 8-point relay contact outputs, normally open + normally closed pairs, isolated (5…150V DC / 10…265V AC), conformal-coated. NJT Automation sources the 1756-OX8IK on request; send the part number for a replacement or repair quote.

Quote required. Request a quote below for pricing and delivery.

Allen-Bradley 1756-OX8IK ControlLogix relay output module, 8-point - replacement part available from NJT Automation

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Part Number	1756-OX8IK
Price	On Request Availability and condition determine final quote.
Description	ControlLogix relay output module, 8-point.
Shipping	UPS Ground included \| Next-Day Air and Worldwide Shipping available at checkout
Warranty	1-year full-function warranty provided by NJT Automation. Warranty details Included 1 year, full-function 2 years +15% of product price 3 years +25% of product price View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective 1756-OX8IK after your purchase for a 10% core credit. We also purchase old or damaged parts outright.

Availability

Sourced on request

We do not have a 1756-OX8IK on the shelf right now. We can source one through our supplier network; request a quote and we confirm availability, price and lead time before you commit.

Sourcing

Sourced through our Level 1 network of vetted US suppliers. Each unit is checked before it ships and carries the same NJT warranty and return policy as our own stock. Quotes within one hour during business hours; typical delivery 3–5 business days, next-day air available. Sourced parts are not available for local pickup.

Request Quote How Level 1 sourcing works

Repairs

1756-OX8IK Mail-In Repair Service

Part Number Decoder

ControlLogix relay output module

1756OX8IK

8-point relay contact outputs, normally open + normally closed pairs, isolated (5…150V DC / 10…265V AC), conformal-coated.

1756: BulletinControlLogix: Rockwell Automation's chassis-based control platform (controllers, I/O, communication modules, power supplies and chassis).
O: Module typeOutput module (O).
X: Contact typeRelay contact outputs, normally open + normally closed pairs, isolated (5…150V DC / 10…265V AC).
8: Point count8 points.
I: FeatureIndividually isolated: each point has its own return, so channels can sit on different commons.
K: CoatingConformal coated for corrosive / high-humidity atmospheres.

Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Intended Use

Built for dry-contact and mixed-voltage switching applications. Relay outputs drive solenoids, pilot lights, interposing relays and motor-starter coils at AC or DC voltages from one card, so they are the usual choice where field loads differ or isolation from the controller is required. Conformal coating suits corrosive or high-humidity atmospheres (ANSI/ISA 71.04 G3), such as pulp and paper, wastewater, chemical and coastal sites.

Physical Data

Weight and DimensionsWeight0.66 lb (0.30 kg)H × W × D5.7 × 1.4 × 5.7 in. (145 × 35 × 145 mm)

Weight	0.30 kg (0.66 lb) Typical unit weight
Dimensions (H × W × D)	145 × 35 × 145 mm (5.7 × 1.4 × 5.7 in.) Single-slot module
Shipping Weight	0.83 kg (1.82 lb) Estimated: unit weight plus box and packing material; bills as 2 lb
Shipping Box (L × W × H)	12 × 12 × 8 in. (305 × 305 × 203 mm) Smallest standard box fitting the product with 3 in. cushioning per side

Product weight and dimensions are typical manufacturer-published values and may differ by series or option. Shipping box and weight are estimates for freight planning; the packed unit may ship in a different box.

Datasheet

Datasheet available for download

Generated from product specifications; not an official Allen-Bradley datasheet. For an official datasheet, contact Allen-Bradley or an authorized distributor.

Allen Bradley Information

Technical SpecificationsLifecycle status

Lifecycle	Active Verify current status with the manufacturer.

Alternate Part Numbers

1756OX8IK, 17560X8IK

Can the 1756-OX8IK be repaired?

Yes. NJT Automation repairs the 1756-OX8IK by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.

NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.

Get a repair quoteor text photos and symptoms to (414) 331-5954

Prefer an independent shop? Compare bids on RepairMode; providers set their own pricing and warranty.

Find a PLC repair specialiston RepairMode.com ↗

Common 1756-OX8IK failures

Failure patterns we regularly see on ControlLogix relay output module hardware like the 1756-OX8IK:

Relay contacts welded closed or burned open after switching inductive loads without suppression
One or more points stuck ON / OFF while the module status shows healthy
Contacts pitted from high-cycle applications: intermittent output at rated current
Removable terminal block (RTB) pins bent or corroded, giving intermittent field connections
Module drops off the backplane intermittently from connector wear

Repair or replace?

ReplaceReplace the 1756-OX8IK when one or more relays have stopped switching and the line is down. The ControlLogix relay output module needs no setup beyond the I/O tree. Stick with the exact 1756-OX8IK. The suffix sets the 8-point density, so a near match is a different unit. A replacement 1756-OX8IK is sourced on request, so compare its lead time with a repair before deciding.

RepairRelay contacts are wear items, so a repair of the 1756-OX8IK replaces the relays rather than patching one point, and the card comes back as good as new. Repair is the better call when a matching card is hard to source or when several cards in the panel are the same age. Most 1756-OX8IK units reach our bench with one of two symptoms: “Relay contacts welded closed or burned open” or “One or more points stuck ON / OFF”. Each 1756-OX8IK we repair goes back function-tested with a 1-year warranty.

Related services:PLC Repair All Repair Services

Photos by NJT Automation; test videos from NJT or network repair technicians.

Still have questions?

Find answers to shipping, warranties, repairs, and more.

Frequently Asked Questions

What is the 1756-OX8IK?

The Allen-Bradley 1756-OX8IK is a ControlLogix relay output module: 8-point relay contact outputs, normally open + normally closed pairs, isolated (5…150V DC / 10…265V AC), conformal-coated.

What condition is the 1756-OX8IK in?

The 1756-OX8IK is available in Unused surplus / Refurbished / Used condition. We can quote this part in unused surplus, refurbished, or used condition depending on availability and your preference. Specify your requirement in the RFQ.

When does this part ship?

The 1756-OX8IK is sourced on request. Request a quote and we'll confirm availability and lead time, typically a few business days.

How many I/O points does the 1756-OX8IK have?

8 points.