Vacon 100 INDUSTRIAL - Parallel Diode Selection

vacon • 16 Installation
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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