Appendix 4.6.3 Surge Protector - Mitsubishi Electric MELDAS 60 Series Maintenance Manual

Appendix 4.6.3 Surge Protector

(1) Surge absorber
Make sure that surge does not directly enter the AC line supplying the general-purpose stabilized
power supply (prepared by user) to the control unit, base I/O unit, remote I/O unit and
communication terminal.
The following product or equivalent is recommended for the surge killer.
1) Part name
Outline drawing
* Refer to the manufacturer's catalog for detailed characteristics, outline and connection methods of
the surge absorber.
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APPENDIX 4 EMC INSTALLATION GUIDELINES
Appendix 4.6 Parts for EMC Measures
: RAV-781BYZ-2
Manufacturer : Okaya Electric Industries
Circuit voltage Max. tolerable
50/60Hz Vrms circuit voltage
250V 3ø 300V
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Surge Surge
Clamp
resistance withstand
voltage
level voltage
V ± 10%
8/20µs 1.2/50µs
783V 2500A
Circuit drawing
(1) Black
I -232
Electro- Working
static temperature
capacity range
–20°C to
20kV 75pF
+70°C
(2) Black (3) Black
Unit: mm