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What is the difference in the protection functions supported by Micro logic 1.3 M and Micro logic 2.3 M trip units used with NSX MCCB ?
The main differences between the two trip units Micrologic 1.3 M and Micrologic 2.3 M that are used with NSX MCCB are:

1- the Micrologic 1.3 M include Instantenuous Short circuit protection Function only
2- The Micrologic 2.3 M include L: Long time (thermal protection) + So: Short time with fixed time delay (Short Circuit)

Both trip units can be used with NSX 400/630 for motor application

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