M800VS/M80V Series Connection and Setup Manual
40 Appendix 5: EMC Installation Guidelines
40.6 EMC Countermeasure Parts
605
IB-1501613-A
40.6.3 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.
Part name: RSPD-250-U4
Manufacturer: OKAYA ELECTRIC INDUSTRIES
[Outline drawing]
[Circuit drawing]
Rated voltage
(50/60 Hz)
DC breakdown volt-
age
Voltage protection
level
Normal discharge
current
Max. discharge cur-
rent
Surge current life
250 VAC (Three
phase)
700 V±25% 1.3 kV
8/20 μs
2.5 kA
8/20 μs
5 kA
Approx. 300 times
8/20 μs -1 kA