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

SKU 2174365  UPC 0799705794283

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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
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