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Vendor: ONKA

400/5A CT Split-Core Current transformer - ONKA, Cl 1, 5VA, 50 mm bore, MSK504005 / BR-80011955

SKU: BR-80011955

Price including VAT:

£40.00
£40.00
27 in stock
  • Description
  • Payment methods
  • Warranty

ONKA 400/5 split core instrument measurement current transformer (burden - 5 VA), accuracy class 1, 50 mm bore.

Moulded-case current transformer for primary currents up to 400A, featuring a split core design. It transforms primary AC currents into a standard 5A secondary current and accepts cables up to Ø50 mm. ONKA Compact split-core current transformers are ideal for retrofitting existing systems. They are perfect for applications where the current path cannot be disrupted.

Technical specifications:

  • Current ratio 400/5A
  • Burden: 5VA
  • Accuracy Class: 1
  • Mount Type: cable 
  • Bore Size: Ø 50 mm
  • Rated short time thermal current: Ith = 60 * In
  • Rated continuous thermal current: Id = 1.2*In
  • Ambient temperature -25°C to + 85°C (0-95% relative humidity, non condensing)
  • Rated frequency: 50 Hz ... 60 Hz
  • Over current limiting factor: FS5
  • Rated isolation level: 0.72/3 kV
  • Standards/Approvals: IEC 60044-1, IEC 61869-2, VDE 0414-1, DIN57414, BS3938, BS7626, EN 61869-2

 

Each instrument current transformer is supplied with its own unique serial number and test report.

FOR SAFETY REASONS current transformers can pose a dangerous high voltage on secondary terminals, which can destroy the current transformer itself, if power is applied to the primary whilst secondary ( S1 and S2 ) is open circuited. Thus either the system shall not be powered (Active) while installing process, or the secondary terminal shall be short circuited.

NOTE: Different types of CT markings: P1 = K, P2 = L, S1 = k, S2 = l

INSTALLATION NOTES

To ensure that the meter reads correctly install as follow:

  1. While installing the current transformer; ensure that the polarity of that is in high importance. P1 should face MAINS and P2 should face LOADS.
  2. Secondary connections (S1 and S2) should be made in correct way to avoid metering problems.
  3. Ensure that the current transformer is installed around a single conductor. If it is installed with both live and neutral conductors passing through the aperture, then no current will be measured under normal working conditions.
  4. Current Transformer cables should be kept as short as possible in order to minimise interference from electrical noise.

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

Bank deposit- you will transfers money from you bank account into our bank account to complete your purchase. You will receive an invoice to your email no later than the next working day. Your order will be dispatched once we receive your payment

We warrant that on delivery, and for a period of 12 months from the date of delivery any products which are goods shall:

  • conform in all material respects with their description and any relevant specification;
  • be free from material defects in design, material and workmanship;
  • be of satisfactory quality
  • In the event of any goods being materially defective, we will replace or repair the product or refund the purchase price.

These warranties shall not apply to any defect which arises from improper use, failure to follow the product instructions, or any repair or modification made without our consent.

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