Operating instructions

Operation with up to three supply inverters
MICROMASTER 420 / 440 – DC link coupling between several
Frequency inverters
The rated currents and the required DC link fuses of the
MICROMASTER420 and MICROMASTER440 frequency inverters are
listed in the following Tables 3-1 and 3-2.
Power
Rated input
current
Rated
output
current
Rated DC
link current
Power
Rated input
current
Rated
output
current
Rated DC
link current
kW A A A Order No. A kW A A A Order No. A
0,12 1,4 0,9 1,1 3NC1402 2 - - - - - -
0,2
5
2,7 1,7 2,0 3NC1404 4 - - - - - -
0,37 3,7 2,3 2,8 3NC1405 5 - - - - - -
0,5
5
5,0 3,0 3,6 3NC1405 5 - - - - - -
0,7
5
6,6 3,9 4,7 3NC1406 6 - - - - - -
1,1
9,6 5,5 6,6 3NC1410 10 - - - - - -
1,
5
13,0 7,4 8,9 3NC1415 15 - - - - - -
2,2
17,6 10,4 12,5 3NC1420 20 - - - - - -
3
23,7 13,6 16,3 3NC1425 25 - - - - - -
0,12
0,6 0,9 1,1 3NC1402 2 - - - - - -
0,2
5
1,1 1,7 2,0 3NC1404 4 - - - - - -
0,37
1,6 2,3 2,8 3NC1405 5 - - - - - -
0,5
5
2,1 3,0 3,6 3NC1405 5 - - - - - -
0,7
5
2,9 3,9 4,7 3NC1406 6 - - - - - -
1,1
4,1 5,5 6,6 3NC1410 10 - - - - - -
1,
5
5,6 7,4 8,9 3NC1415 15 - - - - - -
2,2
7,6 10,4 12,5 3NC1420 20 - - - - - -
3
10,5 13,6 16,3 3NC1425 25 - - - - - -
4
13,1 17,5 21,0 3NC1430 30
5,
5
17,6 22,0 26,4 3NC1432 32
5,
5
17,5 22,0 26,4 3NC1432 32
7,
5
26,5 28,0 33,6 3NC1440 40
7,
5
25,3 28,0 33,6 3NC1440 40
11
38,4 42,0 50,4 3NC2263 63
11
37,0 42,0 50,4 3NC2263 63
1
5
50,3 54,0 64,8 3NC2280 80
1
5
48,8 54,0 64,8 3NC2280 80
18,
5
61,5 68,0 81,6 3NC2200 100
18,
5
61,0 68,0 81,6 3NC2200 100
22
70,8 80,0 96,0 2x3NC2280 2x80
22 69,4 80,0 96,0 2x3NC2280 2x80 30 96,2 104,0 124,8 2x3NC2200 2x100
30 94,1 104,0 124,8 2x3NC2200 2x100 37 114,1 130,0 156,0 2x3NC2200 2x100
37 110,6 130,0 156,0 2x3NC2200 2x100 4
5
134,9 154,0 184,8 3x3NC2280 3x80
4
5
134,9 154,0 184,8 3x3NC2280 3x80 - - - - - -
Line supply voltage, 3-ph. 200V to 240V AC
CT (Constant Torque) VT (Variable Torque)
Rated currents and recommended DC link fuses for MICROMASTER 420/440 inverters, versions with/without
filter
Line supply voltage, 1-ph. 200V to 240V AC
Required DC link fuses
2x per converter are
required
Required DC link fuses
2x per converter are
required
Copyright © Siemens AG 2005 All rights reserved
Table 3-1: Rated currents and the required DC link fuses of the MICROMASTER420
and MICROMASTER440 frequency inverters with a line supply voltage 1/3-ph. 200-240V
AC
Possible cylindrical fuse disconnectors:
for fuse 3NC14.. : 3NC1492
for fuse 3NC22.. : 3NC229x
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