44 Connect Devices
WAGO-I/O-SYSTEM 750 XTR
750-517/040-000 2DO 230V AC 1.0A/ Relay 2CO /XTR
Manual
Version 1.3.0
Table 21: 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
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