Allen Bradley 1746-NT4 SLC 500 4‑Channel Discrete Transistor Output Module

FAQ

Q1: What is the 1746‑NT4 module used for?
It is a 4‑channel DC transistor output (sourcing) module for SLC 500 PLC systems.

Q2: How many outputs does it have?
It provides 4 sourcing DC transistor outputs.

Q3: What voltage range do the outputs use?
Outputs operate in the range of 10 – 30 V DC.

Q4: What is the maximum current per channel?
Each transistor output can source up to 0.5 A.

Q5: What type of output switch does it use?
It uses sourcing (PNP) transistor outputs suitable for DC loads.

Q6: What are the physical dimensions and weight?
Approximate dimensions are 127 mm × 51 mm × 152 mm and weight around 0.40 kg.

Q7: How do you connect field wiring?
Field wiring connects through a removable 1746‑HT terminal block.

Q8: Is the 1746‑NT4 still manufactured?
No, it has been discontinued and is now considered a legacy SLC 500 module.

1746-NT4 Allen Bradley

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