Safety Features; Use Of Safety Features; Carrying Out Work; Safety Markings - Eaton Magnefix MD4 User Manual

Magnefix MD4
2.2.2

Safety features

The switchgear is provided with the following safety
features:

All-round insulation protecting against touching live
parts.

Mechanical interlocks prohibiting faulty switching
operations.

Visible isolation between busbar and cable (the switch
caps have been visibly removed).

Facilities for earthing cables and transformers.
2.2.3

Use of safety features


Keep the insulation (i.e. the outside of the switchgear)
in a perfectly clean and dry condition.

Replace mechanical interlocks as quickly as possible
if they do not perform optimally.

Cover switched-off cast-resin insulated members that
may still be live, and put-up a warning notice.

Keep earthing caps and earthing cables in perfect
condition. Make sure that the earthing points on the
upright or wall-mounted frame are free from corrosion
and oxidation, and that they are conductively
connected to earth.
2.2.4

Carrying out work

W
ARNING
•
ALWAYS check that the equipment is dead.
•
Fit suitable earthing.
•
NEVER approach an unearthed installation.
•
Always work on dead installations.
Ensure maintenance work is carried out in good time, in
accordance with the instructions in this manual.
Replace worn and/or damaged parts only with genuine
Eaton spare parts, or spare parts approved by Eaton.
Take the following minimum precautions when carrying out
work:
14 991.184 G01 03
Working on live or partly live installation:

Eaton advises, for the necessary safety, never to work
on live or partly live installations. This is described in
NEN 3840 Operation of electrical installations - High
Voltage, Chapter 6.2.
Working on a dead installation:

After switching off a panel, IMMEDIATELY fit a set of
covers to the open switches or fuse holders.

ALWAYS check that the equipment is dead.

Fit earthing; work on earthed panels only.

When performing measurements check that the
vacuum circuit-breaker is switched on and interlocked.
When re-commissioning

Check that all work in the immediate area has been
completed.

Check (if appropriate) that all related work in other
areas has been completed.

Verify the safety of all persons involved.

Remove safety earthing and other safety features.
2.2.5

Safety markings

Fitted to the front of the dust hood placed over the
switchgear is a sign displaying:
PLACE CAP SLOWLY AGAINST STOP
THEN PUSH ON ENERGETICALLY
The following signs indicate possible dangers:
Dangerous electrical voltage.
Electrical safety earth.