Modular units

GeneralitiesField of application
MT55146 MT55147 MT55148
DE59670EN
The SM6 is made up of modular units containing fi xed, disconnectable or
withdrawable metal-enclosed switchgear, using sulphur hexafl uoride (SF6)
or vacuum:
b switch-disconnector
b SF1, SFset or Evolis circuit breaker
b Rollarc 400 or 400 D contactor, or vacuum contactor
b disconnector.
SM6 units are used for the MV section in MV/LV transformer substations in public
distribution systems and MV consumer or distribution substations up to 36 kV.
MV/LV transformer substations
HV/MV substation
Combined public distribution/
Consumer substation
PM IM IM GIM QM
Outgoing line toward
other ring substations
Incoming line of the
main distribution
switchboard
Other standards
MV consumer substations
(MV metering)
IM IM DM1-D GBC-A QM DM1-S
Outgoing line toward other ring substations
Incoming line of the main distribution switchboard
UTE standard (EDF)
MV consumer substation
(MV metering)
IM IM CM DM2 QM PM IM
MV consumer substation
(LV metering)
Substation
IM IM QM DM1-S
GAM2 QM
12 AMTED398078EN.indd