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Resin insulated current transformer RECT type

  • Standards: IEEE C57.13
  • Secondary side equipped with a short-circuiting device
  • Sealable
  • Application: Indoors, or in an outdoor enclosure
  • Rated Voltage: Up to 0.72 kV
  • Frequency: 50 or 60 Hz
  • 0.3 Metering Class

Resin insulated current transformer RECT Series are designed as Extended-Range current transformers, catering to billing purposes and applicable to power systems up to 600V. This series delivers a minimum Class 0.3 Accuracy for billing measurements and can be installed indoors or in outdoor enclosures. With current ratios ranging from 100:5A to 800:5A and window diameter options including 38mm, 66mm, and 78mm, RECT Series stands out with its versatility.

Features:

  • High Accuracy and Linearity: RECT Series resin insulated current transformer maintains a minimum 0.3 accuracy level and high linearity within its designed range, ensuring reliable current measurements under various operating conditions.
  • Wide Range Measurement: RECT resin insulated current transformer Specifications allow the product to maintain rated accuracy and burden rating while measuring from 1% to 150% of the rated current, surpassing typical metering-class requirements (5% to 100%).
  • Sealed Design: All RECT Series resin insulated current transformer feature a sealed design, effectively isolating transformer oil from external air to prevent oil aging and enhance operational reliability.
  • Compliance with Electrical Standards: The product adheres to IEEE C57.13 standards and has undergone type testing by a laboratory accredited by an ILAC member.

Applications:

  • Power System Protection: Widely used in power system protective relays, RECT Series accurately measures currents during normal operation and fault conditions, providing essential information for protective devices.
  • Energy Metering: Ideal for billing purposes in energy metering systems, RECT Series offers precise measurements across a wide current range.
  • Industrial Applications: Suitable for industrial environments, especially in processes with significant current fluctuations, RECT Series provides accurate current measurements and protection functionality.
Model Current Ratio RF Accuracy & Burden (IEEE) Window Diameter Approx. Weight
At 30℃ Ambient Temperature At 55℃ Ambient Temperature
RECT-38A 100 / 5A 4 4 0.3 B-0.2 38 mm 6.5 kg
RECT-66A 150 / 5A 4 4 0.3 B-0.1 66 mm 5.0 kg
200 / 5A 4 4 0.3 B-0.5
250 / 5A 4 4 0.3 B-0.5
RECT-78A 300 / 5A 4 2.9 0.3 B-0.5 78 mm 4.0 kg
400 / 5A 4 2.9 0.3 B-0.5
500 / 5A 3 2.4 0.3 B-0.5
600 / 5A 2 1.8 0.3 B-0.5
800 / 5A 2 1.5 0.3 B-0.5
Model Current Accuracy & Window Approx.
Ratio RF Burden (IEEE) Diameter Weight
ROS-66A 150 / 5A 1% ~ 150% 0.3 B-0.1 66 mm 5.0 kg
200 / 5A 1% ~ 150% 0.3 B-0.5
250 / 5A 1% ~ 150% 0.3 B-0.5
ROS-78A 300 / 5A 1% ~ 150% 0.3 B-0.5 78 mm 4.0 kg
400 / 5A 1% ~ 150% 0.3 B-0.5
500 / 5A 1% ~ 150% 0.3 B-0.5
600 / 5A 1% ~ 150% 0.3 B-0.5
800 / 5A 1% ~ 150% 0.3 B-0.5

Diagram

Resin insulated current transformer RECT type-heyi

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