34
Connect Devices
WAGO-I/O-SYSTEM 750
750-509 2DO 230V AC 0.3A/SSR
Manual
Version 1.1.0
Table 16: Protective Circuits for Contacts of Relay Modules
Protective Circuits
Additional
Off-Delay
Defined
Induction
Voltage
Limitation
Bipolar
Effective
Attenuation
Advantages and
Disadvantages
Figure 19: R/C
Combination
medium to
short
no
yes
Advantages:
•
HF attenuation via
power storage
•
suitable for AC
voltage
•
level-independent
attenuation
Disadvantages:
•
exact dimensioning
required
•
high inrush current