Trip Unit References; Safety Notes; Notes For Dielectric Strength Tests - Allen-Bradley 140G-R Installation Instructions Manual

11 Trip Unit References

The 140G-R circuit breaker is supplied with a LSIG-MM Trip Unit.
Details about the operation of the trip unit are given in the following documents:
140G-IN067 Operating instructions for the protection releases of 140G-N, 140G-NS and 140G-R circuit breakers
140G-IN068 LSIG Getting started

11.1 Safety notes

!
WARNING: this symbol highlights information about operations, actions or circumstances that can cause injuries to the personnel,
damage to the unit or economic losses.
Read this manual, the specifi c manuals of the electronic releases and the getting started manuals carefully and fully.
This device must only be used by qualifi ed and expert personnel.
If there are doubts about whether it can be used safely, the unit must be put out of service to prevent it from being used accidentally.
The device is not safe to use if:
1. The unit shows visible signs of damage.
2. The unit does not function (e.g. with autotest or with the trip test unit).
3. The unit has been damaged during transport.
!
The circuit breaker must be open before any servicing or replacements are made.
Also remember to disconnect any power supplies connected.

11.1.1 Notes for dielectric strength tests

!
Do Not to perform dielectric strength tests on the inputs and outputs of the trip unit.
DIR 1000682R0002 Version 03
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