This is a plug-in kit for 3 poles Compact NSX 400/630 fixed circuit breakers.::A plug-in configuration is made by adding a plug-in kit to a fixed Compact NSX device.::This kit includes a plug- in base (LV432516), 3 power connections (LV432518), 2 short terminal shields (LV432591) and a safety trip interlock (LV432520).::A plug-in configuration allows to install or extract rapidly and easily the circuit breaker from its base .::This operation can be done without connecting or disconnecting the power circuit.