Fixed Competitive Price FTX30 (PZ30) Modular Terminal Combination of Electrical Appliances to Cannes Importers

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USE:

FTX30 modular terminal combination of electrical is suitable for the power supply system end with rated voltage 30V (or 400V), rated current ≤ 240A, each short-circuit protection of the rated current ≤100A, for the protection of power distribution, overload, short circuit and it passed CCC certificate.

131524-2





  • Dettaglio cassetto, quadro elettrico Multisistema MS-D.

    http://www.tecnoquadrireggio.it



    Relay control at low voltage. Circuit design. Some of various electromagnetic relays often have lower response voltage than that of the power source; other ones have higher voltage. If the former can still be used by way of series connection with limiting resistor winding, the latter are inapplicable. Though if the response voltage is under 1.8 of the power source voltage, such a relay can be adapted by connection to the source according the following scheme. In the initial condition the capacitor is charged to the power source voltage. To switch on the relay, briefly push the SB1 button. The capacitor is switched on in series with the power source. It means that the relay winding will receive double voltage. Though in the course of the relay response, until the К1.1 self-confinement contacts are closed, the capacitor will discharge. The capacitor capacitance must provide exceeding of the relay response time by the total voltage of the capacitor the power source by the moment of contact closure. If the capacitance of the capacitor is sufficient, the rest of the charge will be suppressed through the К1.1 relay contacts and the SB2 button switch. The same switch is used to deactivate the relay. The К1.2 contacts interchange the control circuits. The capacitor capacitance is selected experimentally.

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