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Vendor: TENSE

TK40 - Current measuring transformer 300/5 400/5 500/5 600/5 800/5

Barcode: TK403005302
€19,48 €16,10 excl. VAT
€19,48 €16,10 excl. VAT
Low stock: 6 left
All items are in stock and shipped from the Czech Republic. Delivery takes 3–8 days.
Mark: 300/5
  • Description
  • Instructions
  • Payment methods
  • Warranty

Measuring Current Transformer TK40 - TENSE

Product Description:
The TK40 current transformer is designed for indirect AC current measurement in low-voltage installations and industrial applications. The transformer converts large primary currents into standard secondary currents suitable for measurement, control, or equipment protection.

Features:

  • Accurate current conversion with 0.5S accuracy class.

  • Compact and durable housing made of non-flammable, fire-resistant ABS.

  • Terminal block with non-removable cover, suitable for large wires.

  • Short-circuit current resistance: Ith = 60 × In

  • Continuous current resistance: Id = 1 × In

  • Operating temperature: -25 °C ... +85 °C

  • Installation: KK0001 or KK0002

  • Test voltage: 3 kV for 1 minute

  • Maximum system voltage: 0.72 kV

Technical Parameters

Parameter Value
Ratio 300/5 A
Load power 3.75 VA
Accuracy class 0.5S
Primary winding 40 × 10 mm
Internal bore (conductor diameter) Ø 30 mm
Rated frequency 50-60 Hz
Overcurrent limiting factor FS 5
Installation KK0001 / KK0002
Housing material Non-flammable, fire-resistant ABS


Standards:
IEC 60044-1, IEC 61869-2, VDE 0414-1, DIN 57414, BS3938, BS7626, EN 61869-2

Quality Control:
Each transformer is individually tested at the factory, with results recorded in a test report and attached to the transformer.

Download to

Technical information on current transformers (996 kB) - will be sent upon request

Online payment by bank card – after placing the order, you will be redirected to the payment portal. You will receive payment confirmation in your email.

Cash payment upon delivery – you will pay the amount specified in the payment notice to the courier upon delivery.

Payment by bank transfer – a prepayment invoice (proforma) will be sent to your email address no later than the next business day, indicating the bank account number to which the payment should be made.

Payment by invoice – this option is available to cooperation partners who have a cooperation agreement with our company.

If you wish to use one of the last two payment methods, please contact our customer service specialist, who will provide instructions on receiving an invoice with or without VAT.

The electrical equipment we supply meets high-quality standards, comes with a 24-month warranty, and fully complies with all European Union requirements.

We also offer free delivery for orders over 100 EUR, as well as a flexible discount and promotion system. Our employees' technical knowledge and experience allow us to provide professional consultations and, if necessary, offer alternative electrical product solutions.

The electrical equipment we supply meets high quality standards, comes with a 24-month warranty, and complies with all EU requirements.
In case of claims, returns are free of charge.

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