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Allen Bradley | SLC-500 | 1746-IA4 | Image

Allen Bradley | SLC-500 | 1746-IA4 | Image Allen Bradley | SLC-500 | 1746-IA4 | Image

Includes a PDF Electric and Supply warranty.

(Never Used)


3 In Stock

3 Yr PDF Supply warranty

What is Surplus?



10 In Stock

2 Yr PDF Supply Warranty

What is Refurbished?

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*US continental orders placed Monday-Friday before 4:30pm EST!

Other Available Revisions for the 1746-IA4 1746-IA4/A

Common misspellings:
  • l746-IA4
  • 17A6-IA4
  • 1746-1A4
  • 1746-lA4
  • 1746-IAA
  • 1746IA4


The Allen-Bradley 1746-IA4 digital input module is part of the SLC-500 series of processors. It has 4 input points with 4 points per common. The 1746-IA4 operates at a voltage category of 100-120V AC signal input. Its operating voltage is 85-132V AC at 47-63 Hz. The 1746-IA4’s backplane current consumption is 0.035A at 5V DC and 0A at 24V DC and it has a maximum signal delay of 35ms when powered On and 45ms when powered Off.


In addition, the 1746-IA4 input module has an Off-state maximum voltage of 30V AC and a maximum Off-state current of 2mA. The 1746-IA4’s input current rating is 12mA at 120V AC nominal, its maximum inrush current is 0.8A, and its maximum inrush current time duration is 0.5ms. The inrush current can be limited using a current limiting resistor. Note that the use of a current limiting resistor will affect the operation of the 1746-IA4 input module.


The Allen Bradley 1746-IA4 has a thermal dissipation rating of 0.27W per point, a minimum dissipation of 0.175W, and a maximum dissipation of 1.30W. The 1746-IA4 measures 5 inches x 2 inches x 6 inches and it weighs 0.17 kgs. It operates at a temperature range of 0-60 degrees Celsius. The 1746-IA4 digital AC input module has a status display panel on its front side to help in diagnosing faults when they occur.


The 1746-IA4 is meant for mounting on a chassis with an open enclosure. It also has an operating shock rating of 30G and one of 50G when not in operation.

Allen Bradley Input Mod. 85-132 VAC, 4 Pt. AB 1746-I 1746-IA

PDF Electric & Supply Inc. sells new, new surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with PDF Electric & Supply Inc. and not the manufacturer. PDF Electric & Supply Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products. The products listed on this website may vary as to their country of origin; the accessories, and other items included with the product; and the language used on the packaging, the parts, and any related instructions or printed material related to the products. This website is not sanctioned or approved by any manufacturer or tradename listed. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.