Vigivolt
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Catalog excerpts

Vigivolt - 1

Surge protection devices Transient surges It is a sudden and high current increase (µs) on an electricity network, that can reach many kV. In their majority they are caused by atmospheric discharges, even if sometimes they are due to commutations on the network. against overvoltages They can provoke serious damages and the destruction of the electrical devices, bad operation and reduction of their estimated life as well as interruption of the service to users. All these problems can be eliminated reducing this hard impulse by protective devices (Vigivolt). Temporary overvoltages It can be dened as an increase of the network current, over the 10% of the nominal value for an indenite time, from milliseconds to hours. The origin is due to the neutral loss or to a failure of the medium voltage transformer. As for the transient surges, the temporary overvoltages can cause damages and the destruction of the electrical devices, their premature aging and loss of safety for the users. The devices (Vigivolt) avoid these risks by switching off the power supply, acting on the main switch. www.toscano.es TOSCANO LINEA ELECTRONICA, S.L. Autovía A-92, Km. 6,5 - 41500 - Alcalá de Guadaíra - SEVILLA - ESPAÑA Tfno. 34 954 999 900 - Fax. 34 95 425 93 60 / 70 www.toscano.es - info@toscano.es

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Vigivolt - 2

SURGE PROTECTION DEVICES TRANSIENT SURGES SINGLE PHASE TEMPORARY OVERVOLTAGES THREE PHASE SINGLE PHASE TRANSIENT & TEMPORARY SURGES THREE PHASE SINGLE PHASE THREE PHASE CLASS I+II MANUAL RESTART AUTO RESTART MANUAL RESTART ALL OUR NEW MODELS COMPLY WITH THE EUROPEAN REGULATIONS ON PROTECTION DEVICES AGAINST TEMPORARY OVERVOLTAGES. TRANSIENT SURGES TEMPORARY OVERVOLTAGES TRANSIENT & TEMPORARY SURGES Photovoltaic surge arrester 500VDC 40kA, with remote signalling Photovoltaic surge arrester 1000VDC 40kA, with remote signalling

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