7 APPENDIX
7.2 Details of surge protector
37
7
7.2
Details of surge protector
• MR-J3 series, MR-J3W series, and MR-J2-Super series are discontinued models.
• To use an EMC filter on the 200 V class servo amplifier, a surge protector is required.
• To use an EMC filter manufactured by COSEL on the 400 V class servo amplifier, a surge protector is
required.
MR-J4 series
MR-JN series/MR-J3 series/MR-J3W series/MR-J2-Super series
Surge protector
model
Maximum
continuous
operating
voltage
50/60 Hz
DC operating
start voltage
Voltage
protection
level
Nominal
discharge
current
8/20
μ
s
Maximum
discharge
current
8/20
μ
s
Impulse current
life
8/20
μ
s-1000 A
Manufacturer
RSPD-250-U4
3 AC 250 V
700 V ± 25 %
1300 V
2500 A
5000 A
About 300 times
Okaya Electric
RSPD-500-U4
3 AC 500 V
1300 V ± 25 %
2000 V
2500 A
5000 A
About 300 times
Okaya Electric
LT-CS32G801WS
3 AC 275 V
660 V ± 10 %
1400 V
5000 A
8000 A
About 1000 times
Soshin Electric
Surge protector
model
Circuit voltage
50/60 Hz
Maximum
permissible
circuit voltage
Camp voltage
Surge current
withstand
8/20
μ
s
Surge voltage
withstand 1.2/50
μ
s
Capacitance
RAV-781BYZ-2
3 AC 250 V
300 V
783 V ± 10 %
2500 A
20 kV
75 pF
RAV-781BXZ-4
3 AC 250 V
300 V
1700 V ± 10 %
2500 A
2 kV
75 pF
Summary of Contents for MELSERVO EMC
Page 1: ...EMC Installation Guidelines Mitsubishi Electric AC Servo System ...
Page 2: ......
Page 6: ...4 1 INTRODUCTION MEMO ...
Page 8: ...6 2 EMC STANDARDS MEMO ...
Page 43: ......
