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Allen-Bradley 1746-NR4 SLC 500 4-channel – Ready to Ship / Pick Up

The Allen-Bradley 1746-NR4 is an SLC 500 RTD input module: 4-channel RTD / resistance input (Pt, Ni, Cu, 2/3/4-wire), 16-bit, 1746 chassis mount. NJT Automation has 1 in stock in Milwaukee, WI: orders placed before 5:00 PM Central ship the same business day. One-year full-function warranty included.

1 in stock.

Allen-Bradley 1746-NR4 SLC 500 RTD input module, 4-channel – front view

$199.99USD

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DescriptionSLC 500 RTD input module, 4-channel. In stock in used condition, Series B.
ShippingShips today from Milwaukee, WI . UPS Ground included | Next-Day Air and Worldwide Shipping available at checkout
PickupFree local pickup at 2122 N Prospect Ave. Call ahead at (414) 331-5954 and we will have your 1746-NR4 at the counter.
Warranty1-year full-function warranty provided by NJT Automation.
Warranty details

The original Allen-Bradley warranty does not apply to pre-owned units. Full warranty coverage is provided directly by NJT Automation. If you have any issues we can usually swap your unit next-day air (based on inventory)-no waiting weeks for a repair.

Included: 1 Year
+1 Year: +15% of product price ($30.00)
+2 Years: +25% of product price ($50.00)
View Full Warranty Policy
Returns90-day free returns on all purchases.View return policy
Exchange

We will purchase your old or damaged parts.

Replacement Options for 1746-NR4

In stock and ready to ship today

Allen Bradley 1746-NR4 /B SLC 500 RTD/Resistance Input Module 1746NR4

In-Stock Match

$199.99 USD

Condition: Used

Series B

1 in stock

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Availability
Similar Match In Stock

A similar unit is in stock and ready to ship once you confirm the condition you need.

Variants
Part NumberConditionSeriesQtyPrice
1746-NR4 /BUsedSeries B1$199.99 USD1746-NR4 /CRefurbishedSeries CRequest Quote
Repairs

1746-NR4 Mail-In Repair Service

Part Number Decoder

SLC 500 RTD input module
1746NR44

SLC 500 RTD input module: 4-channel RTD / resistance input (Pt, Ni, Cu, 2/3/4-wire), 16-bit, 1746 chassis mount.

1746
BulletinSLC 500 I/O bulletin: chassis, power supplies and I/O modules for the SLC 500 modular system (processors are bulletin 1747).
NR4
Module typeRTD input module: 4-channel RTD / resistance input (Pt, Ni, Cu, 2/3/4-wire), 16-bit.
4
Channel count4-channel module.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Similar Part Numbers

  • 1746-NO4I Module type: Analog output module
  • 1746-NI8 Module type: Analog input module; Channel count: 8-channel module

Allen Bradley Information

Technical Description
Allen Bradley SLC 500 Thermocouple/mV Input Module 4-channel thermocouple/mV input, supports J, K, T, E, R, S, N, and B type thermocouples, 16-bit resolution
Lifecycle: Discontinued — verify current status with the manufacturer

Alternate Part Numbers

1746NR4
CategorySLC 500
Part Number1746-NR4
ManufacturerAllen-Bradley

Can the 1746-NR4 be repaired?

Yes. NJT Automation offers mail-in repair for the 1746-NR4, including diagnostic evaluation, component-level repair, and functional testing.

NJT Managed Repair

One vendor. One warranty. NJT manages the entire process.

  • 1-year full-function NJT warranty, with 2- and 3-year options available
  • Rush service available for production-critical repairs
  • No evaluation or diagnostic charges
  • No repair, no charge
  • Pre-paid UPS shipping label provided for sending your unit in
  • $650 minimum repair charge, shipping included both ways
Get an NJT Repair Quote

Looking for another option? For lower-cost repairs or if you prefer to work directly with an independent repair specialist, compare bids through RepairMode. RepairMode providers operate independently and set their own pricing and warranty terms.

Find a PLC repair specialiston RepairMode.com ↗

Common 1746-NR4 failures

Failure patterns we regularly see on SLC 500 RTD input module hardware like the 1746-NR4:

  • Channel drift, offset or a reading railed at full scale after overvoltage on the field loop
  • Calibration lost on one or more channels
  • Output channel stuck at zero or full scale (NO / NIO modules)
  • RTD / thermocouple channels reading wrong from a failed reference or CJC (NR / NT)
  • Noisy readings from a damaged filter section

Why Choose Our Repair Service?

  • ■ Rush turnaround available, with 24-hour emergency service on some models
  • ■ 1-year full-function warranty, with 2- and 3-year extended options
  • ■ No evaluation or diagnostic charges
  • ■ Free UPS shipping label available
  • ■ "Unrepairable" is not an option
  • ■ Thousands of successful Allen-Bradley restorations

Request a Repair Quote

Ready to repair your 1746-NR4? Request a repair quote below. For immediate assistance, text photos of your faulty unit and a description of the symptoms to (414) 331-5954.

Start Your Repair Today

Still have questions?

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

The Allen-Bradley 1746-NR4 is an SLC 500 RTD input module: 4-channel RTD / resistance input (Pt, Ni, Cu, 2/3/4-wire), 16-bit, 1746 chassis mount.
The 1746-NR4 is available in Used condition. Clean used pull with full functionality. Minimal cosmetic wear and backed by our 1-year warranty.
We have 1746-NR4 units in stock in Milwaukee, WI. Orders placed before 5:00 PM Central on business days ship the same day; orders placed after the cutoff ship the next business day.
Yes. UPS Next Day Air is available at checkout for the 1746-NR4. Place your order before 5:00 PM Central on a business day and your in-stock item ships the same day for next-business-day delivery.
Yes. Free local pickup is available for in-stock 1746-NR4 units at NJT Automation, 2122 N Prospect Ave, Milwaukee, WI, during business hours. Contact us to arrange a pickup time.
4-channel module.
1746-NR4 breaks down as: 1746 = SLC 500 I/O bulletin; NR4 = RTD input module; 4 = 4-channel module.
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NJT Automation is an independent supplier of surplus, refurbished, and pre-owned industrial automation equipment. Unless expressly stated otherwise, NJT Automation is not an authorized distributor, dealer, representative, or affiliate of the original equipment manufacturer (OEM) for any products offered on this website.

Product Condition & Warranty

Products sold by NJT Automation may be surplus inventory, discontinued models, older series, or units with earlier manufacturing date codes than those currently available from the OEM or its authorized distribution network. As NJT Automation is not an authorized distributor, manufacturer warranties, support programs, and other OEM services may not apply. Any warranty provided is solely that of NJT Automation, where applicable.

Firmware & Software Licensing

Certain programmable logic controllers (PLCs), drives, HMIs, and other electronic products may require firmware to operate. While some products may include firmware, NJT Automation makes no representations or warranties regarding whether firmware is installed, the firmware version or revision level, its compatibility with your application, or its licensing status.

NJT Automation does not provide, obtain, transfer, or license firmware on behalf of customers. We make no representation regarding your ability or legal right to obtain, download, install, or use firmware from the OEM, its authorized distributors, or any other source. It is the customer's sole responsibility to ensure compliance with all applicable End User License Agreements (EULAs), software licenses, intellectual property rights, and other terms governing the acquisition, installation, and use of firmware.