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Media gallery
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Media gallery
ONKA current transformer - CURRENT TRANSFORMER 400/5A, 40MM, CLASS 0.5S, 2.5VA (TK404005303 / 80011766)
- Regular price
- €19,48
- Regular price
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- Sale price
- €19,48
- Unit price
- per
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- Description
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Plug-in measuring transducers for primary rated currents 400 A, secondary current 5 A, rated power 2.5 VA, available in accuracy class 0.5S, ONKA.
The ONKA TK404005303 is a pluggable/slide-in (window) current transformer designed for the indirect measurement of sinusoidal alternating current . It is suitable for compact installations in switchgear for residential, commercial, and light industrial buildings.
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 | Insert/window (pluggable), with included mounting feet |
Product description
The transformer converts a primary current of up to 400 A into a standard secondary current of 5 A , thus enabling a safe and easy connection:
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Meters and electricity meters
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Protection and automation systems
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Surveillance devices
Thanks to its compact dimensions and small diameter of 40 mm, the transformer can be easily installed even in cabinets with limited space, without having to route the main current through the measuring instruments.
Advantages
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Compact and lightweight design - suitable for small control cabinets
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High measuring accuracy - Class 0.5S
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Standard 5 A secondary current - compatible with most measuring instruments
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Easy installation - snap-on housing and mounting feet included.
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Reliability and stability - suitable for continuous current monitoring
Recommended use
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Basic measurement and monitoring of electricity in small cables
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Monitoring electricity consumption
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Connection to meters, electricity meters, protection and automation systems
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Light and medium circuits with currents up to 400 A
Online payment by card – after completing your order, you will be redirected to the payment portal. You will receive payment confirmation by email.
Payment by cash on delivery – you pay the amount specified on the payment order to the courier of the delivery service.
Payment by bank transfer – You will receive a pro forma invoice by email no later than the next working day, which will include the account number that you must enter when making the payment.
Payment by invoice – this option is available to partners who have concluded a framework agreement with our company.
If you wish to use the last two options, please contact our manager who will give you instructions on how to obtain an invoice with or without VAT.
The electrical appliances we supply meet high quality standards, have a 24-month warranty and comply with all EU requirements.
We also offer free shipping (for orders over €100), a flexible discount system, and special offers. The technical knowledge and experience of our staff enable us to provide high-quality advice and, if needed, offer alternatives to electrical products.
The electrical equipment we supply meets high quality standards, comes with a 24-month warranty and complies with all EU requirements.
In the event of a complaint, the return of the goods is free of charge.
