vacon • 16
Installation
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
3.6
Parallel diode selection
When VACON
®
100 X (MM4-MM6) or VACON
®
100 INDUSTRIAL (MR5-MR12) is used in the Solar
Pump application, a diode must be connected between DC+ and DC- to protect the inverter against
reverse voltage. See tables below for diode specification.
Table 8. Diode specification, Mains voltage 3AC 208-240 V, 50/60 Hz, up to 400 V in V DC
AC drive
Diode specifications
Enclosure
size
AC drive type
min. IFav [A]
Min. Voltage
rating [V]
Max. Vf [V] @
IFav [A]
MM4
0007
15
1200
1.5
0008
18
0011
25
0012
28
MM5
0018
40
0024
54
0031
70
MM6
0048
110
0062
140
MR5
0018
50
1200
1.5
0024
63
0031
80
MR6
0048
125
0062
160
MR7
0075
200
0088
250
0105
250
MR8
0140
400
0170
500
0205
500
MR9A
0261
625
0310
800