LEGRAND DMX3 Maintenance Guide

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DMX

3

Guide maintenance

Septembre 16

Y2762C

Table of Contents

Other manuals for LEGRAND DMX3

Installation120 pages

Questions and Answers:

M
Matthew DavisAug 4, 2025
What to do if my LEGRAND Switch ACB trips after closing?
- M
  Mary ChavezAug 4, 2025
  If the LEGRAND Switch trips after closing, it could be due to an overload fault if the tripping occurs after a few seconds or minutes. If tripping happens within a second, other faults may exist. Inspect the unit protection to identify the fault and then resolve the underlying cause. Alternatively, a continuous command to the Shunt Release might be the reason. Verify the command's origin.
H
Heather SmithAug 11, 2025
How to fix LEGRAND Switch ACB that does not close on pressing “ON” button?
- D
  Danny ScottAug 11, 2025
  If the LEGRAND Switch ACB does not close when you press the “ON” button, it could be due to several reasons. The U/V release might be present but not energized; in this case, energize the U/V release. Alternatively, the mechanism spring might not be charged; manually charge it until the spring status indicator turns yellow. Another possibility is that the reset button is ejected; press the reset button. Finally, the mechanical interlock could be disabling the closing; recheck it before attempting to close the breaker again.
C
Christopher BrownAug 19, 2025
What to do if LEGRAND Switch ACB does not close electrically?
- R
  Riley ThomasAug 19, 2025
  If the LEGRAND Switch ACB does not close electrically, it indicates that the “Ready to close” (RC) conditions are not being met. You should check all RC conditions to resolve this issue.

LEGRAND DMX3 Specifications

General

Brand	LEGRAND
Model	DMX3
Category	Industrial Equipment
Language	English

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