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Protective Wiring of Relay Contacts
A: DC application with inductive load
B: AC/DC applications with capacitive load
C: Connection of incandescent lamps
A1 Inductive load
A2 Free-wheeling diode, e.g.,1N4007 (Observe polarity)
A3 Contact
B1 Capacitive load
B1 Resistor, e.g., 8 Ω / 1 W at 24 V / 0.3 A
B3 Contact
C1 Incandescent lamp, max 60 W / 230 V, 30 W / 115 V
C3 Contact
Typical Protective Wiring Measures
WARNING!
Make sure that the maximum ratings of the relay contacts are not exceeded
even during switching!
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