Snubber Circuit For Contactor Coil. Al ways connect the snubber as close to the coil as possible. This document describes where to properly install snubbers to suppress electrical noise being generated by an inductive load which can produce false inputs and errors in a cnc control.
This document describes where to properly install snubbers to suppress electrical noise being generated by an inductive load which can produce false inputs and errors in a cnc control. All contactor coils 3 phase motors and pumps that are operated by a contactor i e. If you can not fi nd a snubber you may be able to make your own with parts from a local electronics supplier.
To make your cnc machine run more reliably installing snubbers is recommended on the following components.
These are generally installed right at the coil terminals. Because of the connection in parallel to the switch there is a constant current flow through the snubber when the switch is open. A general purpose snubber p n 541 0014. A flyback diode is sometimes called flywheel diode freewheeling diode relay diode or snubber diode as a flyback diode circuit is a type of snubber circuit.
