LEGRAND DMX3 Maintenance Guide

44
DMX
3
- Maintenance guide
Level 2 Maintenance
Level 2 Maintenance
Check
Frequency
Procedure
4 years
Mechanism
- Position of mechanism • PMP 3001 - (Confidential)
- Measure of closing and tripping force • PMP 3007 - (Confidential)
- Measure of working torque of mechanism • PMP 3008 - (Confidential)
Main contacts
- Sequence • PMP 3005 - (Confidential)
- Latching margin test • PMP 3006 - (Confidential)
- Measure of resistence of contacts • PMP 3009 - (Confidential)
- Measure of insulation resistance • PMP 3010 - (Confidential)
Auxiliary
- Test at standards requirements • PMP 3011 - (Confidential)
Trip Unit
- Check of trip curve • PMP 3012 - (Confidential)
- Check the communication • PMP 3013 - (Confidential)
The maintenance frequency must be intended with
following operating and environment condition:
Maintenance intended to be used only by
LEGRAND service or by certified/qualified
Company. For this reason the explanation of
these second level procedures is not included in
this maintenance guide
If real operating and environment condition are
more severe than Normal one (described in previ-
ous table):
- The level 1 maintenance frequency must be reduced
by half, but anyway never less than 1 year
- The level 2 maintenance doesn’t change its frequency
Normal operating and environment condition
Load <0,9 of In
Temperature Average annual temperature <25°C
Dust Low level, or with panel-board IP55 – IP65
Relative humidity <70%
Corrosive atmosphere Environment category 3C1 or 3C2 (IEC 60721-3-3)
Salt environment None (IEC 60068-2-52)
Vibration < 0,2 g (IEC 60068-2-6)

LEGRAND DMX3 Specifications

General

Brand	LEGRAND
Model	DMX3
Category	Industrial Equipment
Language	English