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LEROY-SOMER
4946 - 2013.07 / a
POWERDRIVE MD2CS
22
en
InstallatIon and maIntenance
Chassis-mounted variable speed drive
connectIons
3.1.4 - Cables and fuses
• It is the responsibility of the user to connect and provide protection for the POWERDRIVE MD2CS in accordance
with the current legislation and regulations in the country of use. This is particularly important with regard to the
size of the cables, the type and rating of fuses, the earth or ground connection, powering down, acknowledging trips,
isolation and protection against overcurrents.
• The installation must have a short circuit current (Isc) > 20 I
L
at the point of drive connection.
• This table is given for information only, and must under no circumstances be used in place of the current standards.
I
L
:
maximum line current
Ico:
continuous output current
POWERDRIVE
rating
Mains power supply
Motor
400 V - 50 Hz
460/480 V - 60 Hz
I
L
(A)
Fuses
Cable cross-
section (mm²)
(3)
I
L
(A)
Fuses
Cable
cross-section
(mm²) (3)
Ico
(A)
Cable
cross-section
(mm²) (4)
Gg
type
(1)
aR type
(2)
Gg
type
(1)
Class
J
( UL)
aR type
(2)
60T
105
125
200
3x50 +25
95
125
150
200
3x35 + 16
112
3x50 + 25
75T
140
160
250
3x70 + 35
125
160
200
250
3x70 + 35
142
3x70 + 35
100T
170
200
315
3x95 + 50
150
200
225
250
3x70 + 35
175
3x95 + 50
120T
198
250
350
3x120 + 70
175
200
250
315
3x95 + 50
215
3x120 + 70
150T
245
315
450
3x150 + 70
215
250
300
350
3x120 + 70
260
3x150 + 70
180T
295
315
500
3x240 +120
255
315
400
450
3x185 + 90
305
3x240 +120
220T
370
400
630
2x(3x95 + 50)
320
400
500
550
3x240 + 120
380
2x(3x95+50)
270T
460
500
800
2x(3x150 + 95)
405
500
600
700
2x(3x120 + 70) 470
2x(3x150+95)
340T
580
630
1000
2x(3x185 + 95)
495
630
--
800
2x(3x150 + 95) 580
2x(3x185+95)
400T
650
800
1100
2x(3x240 + 120)
560
630
--
900
2x(3x185 + 95) 630
2x(3x240+120)
470T
790
1000
1400
3x(3x185 + 95)
700
800
--
1250
2x(3x240 + 120) 800
3x(3x185 + 95)