DC relay delayed release circuit 2b
Source: InternetPublisher:王达业 Keywords: DC relay coil RF Updated: 2021/07/19
The circuit is shown in Figure 6-24.
Connecting an auxiliary resistor Rf or diode VD in parallel to both ends of the relay coil is equivalent to
adding a short-circuit coil to the iron core after power failure , thus
prolonging the release time. Rf in Figure 6-24 (b) can
be omitted.
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