MIC 1161 Manual
12
FIGURE 2-4
Contacts - Arcing may occur across contacts when the contact opens and
closes. This results in electrical noise as well as damage to the contacts.
Connecting a RC network properly sized can eliminate this arc.
For circuits up to 3 amps, a combination of a 47 ohm resistor and 0.1
microfarad capacitor (1000 volts) is recommended. For circuits from 3 to 5
amps, connect 2 of these in parallel. See Figure 2-5.
FIGURE 2-5
0.5
mfd
1000V
220
ohms
Coil
115V 1/4W
230V 1W
MOV
Inductive
Coil
R C
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