Mitsubishi Electronics E70 ユーザーズマニュアル
Appendix 2 EMC Installation Guidelines
MITSUBISHI CNC
170
Appendix 2.6.3 Surge Absorber
Make sure that the surge does not directly enter the AC line of the general-purpose stabilized power supply (user-
prepared) supplying power to the control unit and DIO. Select the following product or equivalent for the surge absorber.
Refer to the manufacturer catalog for detailed characteristics, outline and connection methods of the surge absorber.
(1)
Part name: RAV-781BYZ-2
Manufacturer: OKAYA ELECTRIC INDUSTRIES
(2)
Part name: RAV-781BXZ-4
Manufacturer: OKAYA ELECTRIC INDUSTRIES
Circuit voltage
50/60Hz Vrms
Max. tolerable
circuit voltage
Clamp voltage
V±10%
Surge withstand
level 8/20
μs
Surge electrical
discharge start
voltage 1.2/50
μs
Static capacity
Working
temperature
range
250V 3
φ
300V
783V
2,500A
20kV
75pF
-20 to +70°C
Circuit voltage
50/60Hz Vrms
Max. tolerable
circuit voltage
Clamp voltage
V±10%
Surge withstand
level 8/20
μs
Surge electrical
discharge start
voltage 1.2/50
μs
Static capacity
Working
temperature
range
250V 3
φ
300V
700V
2,500A
2kV
75pF
-20 to +70°C
41 ± 1
(a)
(b)
(c)
㸸
mm
UL-1015 AWG16
Outline drawing
Black
Black
Black
Circuit drawing
Unit
41 ± 1
mm
UL-1015 AWG16
Outline drawing
(a) Black (b) Black (c) Black
Circuit drawing
Unit :
Green