Varavirtalähteet
Varavirtalähde eli powerbank on yksi tärkeimmistä lisätarvikkeista älypuhelimelle. Meiltä löytyy laaja valikoima eri kokoisia varavirtalähteitä jokaiseen käyttötarkoitukseen. Osta varavirtalähde esimerkiksi matkalle, kouluun, töihin tai mökille.
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Varavirtalähde ja UPS – suojaa laitteesi sähköhäiriöiltä
Varavirtalähde eli UPS (Uninterruptible Power Supply) pitää tietokoneesi, verkkolaitteesi tai muun elektroniikan toiminnassa silloinkin, kun sähkönsyötössä ilmenee katkoksia tai jännitteenvaihteluita. UPS-laite reagoi sähköhäiriöön välittömästi ja siirtyy akkuvirralle, jolloin käynnissä olevat ohjelmat ja tallentamattomat tiedostot pysyvät turvassa. Varavirtalähde suojaa laitteita myös ylijännitteeltä ja muita sähköverkon häiriöiltä, jotka voivat vahingoittaa herkkää elektroniikkaa.
Mihin varavirtalähdettä tarvitaan?
UPS-laite on erityisen hyödyllinen tilanteissa, joissa sähkökatko voi aiheuttaa merkittävää haittaa. Varavirtalähteitä käytetään monenlaisissa ympäristöissä ja laitteiden yhteydessä.
- Kotitoimistossa varavirtalähde antaa aikaa tallentaa tiedostot ja sammuttaa tietokone hallitusti
- Palvelimille ja verkkolaitteille UPS on käytännössä välttämätön tietojen ja laitteiden suojaamiseksi
- Valvontakamerat, reitittimet ja muut jatkuvaa virransaantia vaativat laitteet hyötyvät katkeamattomasta sähkönsyötöstä
Miten valita sopiva UPS-laite?
UPS-laitteen valinnassa on hyvä huomioida useita tekijöitä, jotka vaikuttavat laitteen soveltuvuuteen omaan käyttötarkoitukseen.
- Teho (VA/W) kertoo, kuinka paljon laitteistoa UPS pystyy syöttämään samanaikaisesti
- Varavirran kesto vaihtelee muutamista minuuteista pidempiin aikoihin mallista riippuen
- Liitäntöjen määrä ratkaisee, kuinka monta laitetta voidaan suojata yhdellä UPS-laitteella
- Käyttöympäristö vaikuttaa teholuokan valintaan – kotikäyttöön riittää pienempi malli, palvelinympäristöihin tarvitaan tehokkaampi varavirtalähde
Varavirtalähteet Verkkokauppa.comilta
Verkkokauppa.comin valikoimasta löydät varavirtalähteet ja UPS-laitteet kotikäyttöön, toimistoihin sekä vaativampiin IT-ympäristöihin tunnetuilta valmistajilta. Tilaa varavirtalähde edulliseen hintaan ja nopealla toimituksella – tutustu valikoimaan ja löydä tarpeisiisi sopiva malli!