Appendix 9.6.3 Surge Protector - Mitsubishi Electric MELDAS C6 Maintenance Manual

APPENDIX 9 EMC INSTALLATION GUIDELINES
Appendix 9.6 Parts for EMC Countermeasures

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
Surge Surge
Clamp
Working
Circuit voltage Max. tolerable resistance withstand Static
voltage
temperature
50/60Hz Vrms circuit voltage level voltage capacity
range
V ± 10%
8/20µs 1.2/50µs
–20°C to
250V 3ø 300V 783V 2500A 20kV 75pF
+70°C
Outline drawing Circuit drawing
(1) Black (2) Black (3) Black
UL-1015 AWG16
41±1
Unit: mm
* Refer to the manufacturer's catalog for detailed characteristics, outline and connection methods
of the surge absorber.
I - 116
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