Prix: 258 USD (213,36 EUR)
HIGH-POWER DC Blocker Trap Filter - Assembled in Case

HIGH-POWER DC Blocker Trap Filter - Assembled in Case

Nombre de vue(s): 4969

Date de fin:06/02/2021 à 13:38 

Etat: New

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Prix: 258 USD (213,36 EUR)


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al_tsankov (990) 100% évaluations positives
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Caractéristiques de l'objet
  • MPN: Does Not Apply
  • Brand: Unbranded
Informations
  • Vendeur: al_tsankov
  • Lieu où se trouve l'objet: Plovdiv, default
  • Pays: BG - US
  • Lieu de livraison: Monde entier
  • Numéro de l'objet: 133075968541
  • Garantie client eBay
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Nowadays the AC mains network is heavily polluted by various domestic appliances, industrial electrical consumers etc. This can lead to buzzy toroidal transformers (especially the power ones). Proposed DC trap (blocker, filter) will remove or at least lower the buzzing. Schematic is similar to this one used in well known Vladimir Shushurin's Lamm-1 amplifier. An article with in-dept explanation of how DC blockers work can be found on Rod Elliot's site (http://sound.whsites.net/articles/xfmr-dc.htm). Here is offered device capable to handle VERY HIGH CURRENTS (up to 30 Amperes!!!) assembled in a steel case - black powder coated. Because of such high currents using a standard PCBs is not possible. Instead of that a 2mm. thick pure copper bussbars are used to connect the filter's parts. In order to carry such high loads the part's values are upraised with 4 x 47 000 uF capacitors, 25W power resistor etc. The capacitor block is firmly connected to the bottom of the case with brackets and rubber sheet. The input and output cables go through two cable glands with diameter 20 mm. The wires must be connected together via Barrier Terminal Block or Screw Terminal (see pictures below). HIGH-POWER DC Blocker Trap Filter with Barrier Terminal Block HIGH-POWER DC Blocker Trap Filter with Screw Terminal The Barrier Terminal Block is useful when cable wires end with ring terminals or are "eared" (in case of solid core wires). The Screw Terminal is preferred when you want to easily plug the stripped wire's ends into and tighten with screws. NOTE: User must decide and let me know what kind of connector is more suitable for his needs. Otherwise the Screw terminal will be placed into the case. The green-yellow wire attached to the steel case must be tied to the "Ground"/"Protective Earth" wire in order to comply with all safety requirements. There are 4 rubber feet on the bottom of the case which ensure that case will not scratch the underlying surface. Wiring with both types of connectors !!!!!!!NEW: Replying to the user's requests a version with C20 IEC Inlet and TWO AC Outlets has been manufactured. This version is capable to handle up to 20A current separated to the output AC Outlets. As you can see from the pictures, there are 5 different possibilities for AC Outlets - Standard EU (Schuko), UK type, US type, French type and Italian type (two AC Outlet in each hole!!!!!). !!!!!!!!!NOTE: This version is more expensive than the version with cable glands! Since the price varies with the types of AC Outlets used, In case you're interested in buying it, please contact me and I'll quote you the price (usually 30 - 45 USD more). Unit's weight: 2.550 kg. What the buyer will receive: The package will contain 1 pcs. FULLY ASSEMBLED and tested HIGH-POWER DC trap/blocker/filter for toroidal transformers (toroids) in steel case. The unit will be shipped with Priority AirMail Registered (or equivalent courier service where applicable). The tracking number will be sent to the customer after shipment.Combined shipping with other my items is welcome - just use "ask a question" at the bottom of the page or "request a total from seller".

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