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Vendor: ONKA

ONKA Current Transformer - CURRENT TRANSFORMER 400/5A, 40MM, CLASS 0.5S, 2.5VA (TK404005303 / 80011766)

Barcode: 80011766
€19,48 €15,58 excl. VAT
€19,48 €15,58 excl. VAT
30 in stock
All items are in stock and shipped from the Czech Republic. Delivery takes 3–8 days.
  • Description
  • Payment methods
  • Warranty

Clip-on measuring transformer for primary rated current 400 A, secondary current 5 A, rated power 2.5 VA, supplied in accuracy class 0.5S, ONKA.

ONKA TK404005303 is a plug-in / clip-on (window) current transformer, designed for indirect measurement of sinusoidal alternating current. It is suitable for compact installations in residential, commercial, and light industrial distribution cabinets.

Technical parameters

Parameter Value
Primary rated current 400 A
Secondary current 5 A
Mounting / inner diameter Ø 40 mm
Rated power (secondary load) 2.5 VA
Accuracy class 0.5S
Mounting type Plug-in / window (clip-on), with included mounting feet

Product description

The transformer converts primary current up to 400 A into a standard secondary current of 5 A, enabling safe and simple connection:

  • meters and ammeters

  • protective and automation systems

  • monitoring devices

Thanks to compact dimensions and a small diameter of 40 mm, the transformer can be easily installed even in distribution cabinets with limited space, without the need to route the main current conductor through the measuring device.

Advantages

  • Compact and lightweight design – suitable for small distribution cabinets

  • High measurement accuracy – class 0.5S

  • Standard secondary current 5 A – compatible with most measuring devices

  • Easy installation – includes a fastening clip and mounting feet in the package

  • Reliability and stability – suitable for continuous current monitoring

Recommended use

  • Basic current measurement and monitoring in small conductors

  • Monitoring of electrical energy consumption

  • Connection to meters, ammeters, protective and automation systems

  • Light and medium electrical circuits with currents up to 400 A

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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