Surge Protector - Mitsubishi Electric MELSERVO EMC Installation Manuallines

4. EMC COUNTERMEASURE PARTS

4.6 Surge protector

To prevent damage due to the applied surge to the AC power supply line (lightning, sparks, etc.), connect the
following surge protector (Okaya Electric Industries) to the main circuit power supply (L
(a) For MR-J5 MR-J4 series
Max. continuous
Surge protector
operating
model
Voltage 50/60Hz
RSPD-250-U4 3AC 250V
RSPD-500-U4 3AC 500V
LT-CS32G801WS 3AC 275V
(b) For MR-JN MR-J3W MR-J3 MR-J2-Super series
Circuit voltage
Surge protector model
RAV-781BYZ-2 3AC 250V
RAV-781BXZ-4 3AC 250V
POINT
The surge protector is required to use the EMC filter with a 200 V class servo
amplifier.
The surge protector is required to use the EMC filter manufactured by COSEL
with a 400 V class servo amplifier.
DC
breakdown
voltage
700V 25%
1300V 25%
660V 10%
POINT
The production of the MR-J2-Super series was discontinued in August 2015.
Maximum
allowable circuit
50/60Hz
voltage
300V
300V
Voltage Normal
protection discharge
level current 8/20 s
1300V 2500A
2000V 2500A
1400V 5000A
Surge immunity
Clamp voltage
8/20 s
783V 10% 2500A
1700V 10% 2500A
4 - 11
, L , and L
1 2
Surge current
Max. discharge
life
current 8/20 s
8/20 s-1000A
Approx. 300
5000A
times
Approx. 300
5000A
times
Approx. 1000
8000A
times
Surge
compression
1.2/50 s
20kV
2kV
).
3
Manufacturer
Okaya
Electric
Industries
Okaya
Electric
Industries
Soshin
Electric Co.,
Ltd.
Static capacity
75pF
75pF