LEGRAND DMX3 Maintenance Guide

42
DMX
3
- Maintenance guide
NORMAL
USE
TRIP
DIELECTRIC
TEST POSITION
NORMAL
USE
TRIP
DIELECTRIC
TEST POSITION
In order to plan and schedule the periodical
maintenance is suggested the use of mechanical
operation counter
Periodical checks and maintenance object of this
guide is intended to be carried out by trained and
qualified personnel
Use only original and authorized spare parts /
accessories
Before start to work follow the safety rules below:
- Disconnects the device from supply. No parts
have to be in voltage (power and auxiliary cir-
cuits). Check the insulation from supply
- the breaker must be open with spring discharged
(OFF - DISCHARGED)
- no parts have to be so hot (residual heating) to
produce burn of personnel
If necessary to perform dielectric test:
- before to start the test, turn the selector in
“DIELECTRIC TEST POSITION”
- after performed test, turn back the selector in
“NORMAL USE”
For correct handling of devices make reference to
installation manual
A non-compliance to previous instructions, can
produces serious damage to persons and property.
During maintenance activities, indicated in this
document, the personnel entrusted must takes in
charge the purposing of all tools and procedures
necessaries for safeguard of persons and property.
Before to put the equipment in operation/work
be sure:
- all connections are tightened with correct torque
- all protective covers are mounted correctly
- the breaker is in position OFF- DISCHARGED
Note
It is recommended to get the original maintenance kit.
It is recommend to record the maintenance activ-
ity done on every breaker.
In no circumstance Legrand can be held responsi-
ble for damaging caused by failure of devices if
the periodical check and maintenance were not
performed in according with this document.
1. Warning
dielectric test
position

LEGRAND DMX3 Specifications

General

Brand	LEGRAND
Model	DMX3
Category	Industrial Equipment
Language	English