Chinese

Electrical fire monitoring system

Residual current transformer (open type)

Product Features

The product shell is made of PC/ABS alloy engineering plastic, which has strong impact resistance.

The connection structure and fastening accessories are made of stainless steel, which is beautiful and corrosion-resistant.

It adopts the integral casting process, with stable and reliable performance.

Terminal output, the terminal is a crimping terminal, isolated by a partition in the middle, and located near the opening for convenient wiring.

The secondary winding wire adopts large-diameter oxygen-free copper enameled wire with a large current capacity.

Product Parameters

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Product modelMain circuit electricityExternal dimensionsVertical fixed sizeHorizontal fixed size


Φ L H W W2 W1H4  D1 H2 WD3 M1 H3
CTK5172030~100A46 92 96 37 28 4536.5 87 6 572 5 13.5
CTK5174030~315A80 140 130 41 32 67.536.5 122 8 6105.5 6 18
CTK5175030~630A100 167 148 41 32 74.536.5 153 8 6129.5 6 21
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