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APPENDIX 9 EMC INSTALLATION GUIDELINES
Appendix 9.6 Parts for EMC Countermeasures
I - 116
Appendix 9.6.3 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 : RAV-781BYZ-2
Manufacturer : Okatani Denki Sangyo
Circuit voltage
50/60Hz Vrms
Max. tolerable
circuit voltage
Clamp
voltage
V ± 10%
Surge
resistance
level
8/20µs
Surge
withstand
voltage
1.2/50µs
Static
capacity
Working
temperature
range
250V 3ø 300V 783V 2500A 20kV 75pF
–20°C to
+70°C
200±
30
0
Outline drawing
UL-1015 AWG16
4.5±0.5
Unit: mm
(1) Black (2) Black (3) Black
Circuit drawing
28±1
11±1
5.5±1
28.5±1
41±1
* Refer to the manufacturer's catalog for detailed characteristics, outline and connection methods
of the surge absorber.