Technical data
Table 0.2b – Technical data of frequency converters of the
MFC710 500V
series, depending on a type
The type
MFC710/500/...
Constant-torque load
(max. overload 1.5)
P
N
[kW]
I
N
[A]
Variable-torque load
(max. overload 1.1
1)
)
P
N2
[kW]
I
N2
[A]
I
p
[A]
I
z
[A]
0,37kW
0,37
1,2
0,55
1,6
1,8
6,3
0,55kW
0,55
1,6
0,75
2,0
2,4
6,3
0,75kW
0,75
2,0
1,1
2,8
3,0
6,3
1,1kW
1,1
2,8
1,5
3,6
4,2
6,3
1,5kW
1,5
3,6
2,2
4,4
5,4
6,3
2,2kW
2,2
4,4
3
6,0
6,6
10
3,0kW
3
6,3
4
8,0
9,5
10
4,0kW
4
8,0
2)
4
8,0
12
16
5,5kW
5,5
10
7,5
14
15
20
7,5kW
7,5
14
11
20
21
25
11kW
11
20
15
24
30
30
15kW
15
24
18
32
36
50
18.5kW
18,5
32
2)
18,5
32
48
59
22kW
22
37
30
50
56
63
30kW
30
50
37
60
75
80
37kW
37
60
45
72
90
100
45kW
45
72
55
90
108
125
55kW
55
90
75
120
135
160
75kW
75
120
90
150
180
200
90kW
90
150
110
180
225
225
110kW
110
180
132
200
270
315
132kW
132
200
160
250
300
315
160kW
160
250
180
300
375
400
200kW
200
300
250
380
450
500
250kW
250
380
250
475
570
630
315kW
315
475
355
520
713
800
355kW
355
520
400
584
780
800
400kW
400
584
450
656
876
900
450kW
450
656
500
728
984
1000
500kW
500
728
560
816
1092
1250
560kW
560
816
630
900
1224
1250
1)
For ambient temperature < 35
0
C.
2)
The permissible overload is lower and amounts to 1,1 In.
P
N
– nominal output power when the maximum overload current I
p
is about 1.5 I
N
(constant-torque load).
I
N
– nominal output current at P
N
.
P
N2
– nominal output power when the maximum overload current I
p
is about 1.1 I
N2
(pumps, fans).
I
N2
– nominal output current at P
N2
.
I
P
– overload current: 60 seconds every 10 minutes.
I
Z
– maximum nominal current of the protection.
Frequency converter MFC710 type with OP-11 control panel. TWERD Power Electronics
9
