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Appendix 3 Parts for EMC Measures
Appendix 3.3 Surge Protector
104
Appendix 3.3 Surge Protector
(1) Surge protector
Make sure that surge does not directly enter the AC line of the general-purpose stabilized power
supply (prepared by customer) supplied to the control unit and DIO. The following product or
equivalent is recommended for the surge protector.
1) Part name : RAV-781BYZ-2
Manufacturer : Okaya Electric Industries
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
Operating
temperature
range
250V 3ø 300V 783V 2500A 20kV 75pF –20 to +70°C
28.5±1
5.5±1
11±1
28±1 200±
0
30
41±1
UL-1015 AWG16
4.5±0.5
(1) Black (2) Black (3) Black
Unit: mm
* Refer to the manufacturer's catalog for detailed characteristics, outline and connection
methods of the surge protector.
Outline drawing Circuit drawing