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LEROY-SOMER
4946 - 2013.07 / a
POWERDRIVE MD2CS
5
en
InstallatIon and maIntenance
Chassis-mounted variable speed drive
CONTENTS
1.4.1 - General characteristics.......................................................................................................................................... 8
1.4.2 - electrical characteristics ........................................................................................................................................ 8
1.4.3 - derating at low frequency ...................................................................................................................................... 9
1.4.4 - line reactor ........................................................................................................................................................... 9
1.4.5 - surge protection .................................................................................................................................................. 9
1.4.6 - derating according to the temperature and switching frequency ......................................................................... 10
2.3.1 - drive ratings 60t to 150t .................................................................................................................................... 13
2.3.2 - drive ratings 180t to 270t .................................................................................................................................. 14
2.3.3 - drive ratings 340t to 470t and 270tH to 500tH ................................................................................................. 15
2.6 -
Drive ventilation flow rates and noise levels
............................................................................................... 17
3.1.1 - electronics and forced ventilation power supply .................................................................................................. 18
3.1.2 - characteristics of connection terminals ............................................................................................................... 18
3.1.3 - location of power terminal blocks........................................................................................................................ 19
3.1.4 - cables and fuses ................................................................................................................................................. 22
3.2.1 - control terminal block location............................................................................................................................. 24
3.2.2 - control terminal block characteristics .................................................................................................................. 24
3.2.3 -