Nidec Unidrive M600 Series - Page 96

Safety
information
Introduction
Product
Information
System
design
Mechanical
Installation
Electrical
Installation
Getting
started
Optimization Parameters
Technical
data
Component
sizing
Diagnostics
UL
Information
96 Unidrive M Regen Design Guide
Issue Number: 4
5.4.1 Varistors
Figure 5-30 Varistor dimensions
Table 5-21 Varistor specifications
Drive rating
Varistor voltage
rating V
RMS
Energy rating
J
Quantity per
system
Configuration Part number
200 V
(200 V to 240 V ±10 %)
550 620 3 Line to line 2482-3291
680 760 3 Line to ground 2482-3211
400 V
(380 V to 480 V ±10 %)
550 620 3 Line to line 2482-3291
680 760 3 Line to ground 2482-3211
575 V
(500 V to 575 V ±10 %)
680 760 3 Line to line 2482-3211
1000 1200 3 Line to ground 2482-3218
690 V
(500 V to 690 V ±10 %)
385 550 6 2 in series line to line 2482-3262
1000 1200 3 Line to ground 2482-3218
1Nom
6
2
1
m
a
x
34 max
1.613
8
60 max
8dia.hole
Coat line
25°
6
.
3
5
8
m
i
n