Allen Bradley 1746-NR8 SLC 500 8‑Channel Discrete Relay Output Module

FAQ

Q1: What is the 1746‑NR8 module used for?
It is an 8‑channel discrete relay output module for Allen‑Bradley SLC 500 PLC systems.

Q2: How many relay outputs does it have?
It provides 8 Form A (normally open) relay outputs.

Q3: What voltage ranges can the module switch?
It can switch DC loads from 5 V up to 130 V or AC loads from 24 V to 240 V.

Q4: What is the maximum current rating per output?
Each relay output can handle up to 2 A of load current.

Q5: What are the physical dimensions and weight?
Approximate dimensions are 127 mm × 51 mm × 152 mm and weight ~0.48 kg.

Q6: What is the typical response time?
Typical relay response time is around 10 ms.

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

Q8: Is the 1746‑NR8 still manufactured?
No, it has been discontinued and is now part of the legacy SLC 500 product line.

1746-NR8 Allen Bradley

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