Electric motors Size 63 - 225 ATEX / IECEx
Installation and commissioning
40
2021-05-31
Pos : 6. 34 /KN 2006-Pr ojekte/Herf order Elektromot oren-Wer ke/I nst allation & I nbetri ebnahme/ 1. 1. 1 Is ol ations wi ders tand pr üf en @ 59\ mod_1203315508128_1.doc @ 1036431
6.3.3 Checking the insulation resistance
◼
To be performed by a qualified electrician only
DANGER!
Risk of death due to uncontrolled fault
currents.
Insulation faults can call potentially fatal fault
currents.
Therefore:
– The value of the insulation resistance must be
higher than the critical value of 0.5
MΩ.
– In case the value drops below the critical
insulation resistance, take the motor out of
operation and shut it down immediately.
DANGER!
Danger to life from electrical current.
When measuring and immediately afterwards the
terminals carry partly dangerous voltages.
Therefore:
– Do not touch the terminals.
– Discharge after measuring.
Before commissioning the motor, after a longer period of storage or
without use, the insulation resistance of the coils has to be
determined again. When doing so, adhere to the valid standards
and directives.
Pos : 6. 35 /KN 2006-SM /nL.. ... ... .. Sei tenumbr uch .. ... ... .. @ 8\ mod_1141998334703_0.doc @ 75489
Pos : 6. 36 /KN 2006-SM /I nst allati on & I nbetriebnahme/007 1. 1 Ers tinbetriebnahme_Tit el @ 9 \ mod_1144401802375_1. doc @ 86433
6.4 Commissioning
Pos : 6.37 /KN 2006-Pr ojekte/Herforder Elektromotoren-Wer ke/Installation & Inbetri ebnahme/Gefahr! Elektrischer Strom @ 59\mod_1203336144609_1.doc @ 1037099
DANGER!
Danger to life from electrical current.
There is an immediate risk of fatal injury in case of
contact with live parts.
Therefore:
– Only carry out work with the plant free of
voltage.
– Secure the plant to prevent it from being
switched back on.
Pos : 6.38 /KN 2006-SM /nL---------- Abschnitts ende ---------- @ 8\mod_1141997892953_0.doc @ 75471
