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Vendor: ONKA

ONKA Current Transformer - CURRENT TRANSFORMER 4000/5A, 125MM, CLASS 0.5S, 30VA (DK12540005312 / 80011783)

Barcode: 80011783
Regular price
€106,93 €85,54 excl. VAT
Regular price
Sale price
€106,93 €85,54 excl. VAT
11 in stock
All items are in stock and shipped from the Czech Republic. Delivery takes 3–8 days.
  • Description
  • Payment methods
  • Warranty

Nasadni mjerni transformator za primarne nazivne struje 4000 A, sekundarna struja 5 A, nazivne snage 30 VA, isporučuje se u razredu točnosti 0,5S, ONKA.

Plug-in measuring transformer for primary rated currents of 4000 A, secondary current 5 A, rated power 30 VA, supplied in accuracy class 0.5S, ONKA

ONKA DK12540005312 is a window / plug-in current transformer designed for indirect measurement of sinusoidal alternating current. It is suitable for demanding industrial and commercial switchgear cabinets, distribution systems, and metering applications.

Technical specifications Parameter
Value Primary rated current
4000 A Secondary current
5 A Mounting / internal busbar diameter
Ø 125 mm Rated power (secondary load)
30 VA Accuracy class
0.5S Mounting type

window / plug-in, mounting feet included in the package

Product description

  • The transformer converts very high primary current (up to 4000 A) into a standard secondary current of 5 A, enabling safe connection:

  • meters and ammeters

  • protection and automation systems

monitoring and measuring devices

Installation is done by plugging onto the busbar and thanks to the supplied mounting feet, there is no need to interrupt the main circuit.

  • Advantages

  • High current capacity – up to 4000 A primary current

  • Standard output 5 A – compatible with most metering and control devices

  • Accuracy class 0.5S – stable and accurate measurements suitable for industrial and commercial applications

  • Rated power 30 VA – sufficient to power the secondary circuit

  • Easy installation – window/plug-in housing + mounting feet

Versatility – suitable for switchgear cabinets, industrial systems, metering, protection, and automation systems

  • Recommended use

  • Large industrial switchgear and distribution systems

  • Industrial power networks and high-load devices

  • Commercial and municipal electrical energy metering systemsAutomation, control, and protection systems, phase equalization, and overload protection

Online card payment - after completing your order you will be redirected to the payment gateway, a payment confirmation will be sent to your email

COD - you pay according to the payment order to the carrier's driver

By bank transfer - no later than the next working day, you will receive a pro forma invoice to your email containing the account number that you will enter when making the payment.

On invoice - this payment option is available to partners who have a signed framework agreement with our company.

If you want to use the last 2 methods, call our manager and he will give you instructions on how to receive an invoice with or without VAT.

The electrical equipment we supply meets high quality standards, has a 24-month warranty and meets all EU requirements.

We also have free shipping (for orders over 100 EUR), a flexible system of discounts and promotions. The technical knowledge and experience of our employees allows us to provide quality advice and, if necessary, offer alternatives to electrical products.

The electrical equipment we supply meets high quality standards, is covered by a 24-month warranty, and meets all EU requirements.

In the event of a complaint, the return of goods is not charged.

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