6.3 Surge Protector
(1) Surge absorber
Make sure that surge does not directly enter the AC line of the general-purpose stabilized power
supply (prepared by user) supplied to the control unit and DIO. The following product or equivalent is
recommended for the surge killer.
1) Part name
Manufacturer : Okaya Denki Sangyo
Circuit
voltage
50/60Hz Vrms
250V 3 φ
Outline drawing
41 ± 1
∗ Refer to the manufacturer's catalog for details characteristics, outline and connection methods of the
surge absorber.
APPENDIX 3 EMC INSTALLATION GUIDELINES
6. Parts for EMC Measures
: RAV-781BYZ-2
Clamp voltage
Max. tolerable
circuit voltage
V±10%
300V
783V
Surge
Surge
resist-ance
with-stand
level
voltage
8/20µSec
1.2/50µSec
2500A
20kV
Circuit drawing
(1) Black
UL-1015 AWG16
Unit: mm
131
Working
Static
temperature
capacity
range
− 20 ~ +70 ° C
75pF
(2) Black
(3) Black