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Hangzhi Cafr-A-Np Series Pcb Current Sensor

Supplier From China
Aug-15-24

The CAFR-A-NP series is a current sensor developed by Hangzhi that can be soldered on the PCB circuit board. It is based on the fluxgate technology and can realize the isolated measurement of DC current and AC current.

Measuring range: from ±6A to ±50A.
Accuracy: ±0.8%.
Linearity: ±0.1.
Supply voltage: ±5V.
Operating temperature: -40­°C~80­°C.
Bandwidth (3dB): 300kHz.
Response time: 3us.


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Product Overview

The ignition point of a fire inside the electric panel is mostly the part where the terminal block is fastened, so in order for initial fire extinguishing, the solution should be closely installed to the part where the terminal block is fastened.
In the case of a small electric panel, a complete initial fire extinguishing is expected for fires occurring inside the electric panel by attaching the SFEX Pad to the top surface of the electric panel.

Product Feature

It has an excellent performance in the initial fire suppression as it can be installed near the ignition point as a flexible rope type.
It uses a stand-alone method based on polymer chemistry so that it does not cause malfunctions and maintenance costs.
The thermo-responsive Granule composed of KNO3 and subsidiary catalysts It does not affect the peripherals after the fire goes out.
Function of SFEX Granule = fire extinguishing agent storage tank + temperature sensor + nozzle function
Fire extinguishing method : Suffocation + subsidiary catalyst


Example of Installation 1 : SFEX Line - If ducts exist

Installing the SFEX Line horizontally or vertically in the ducts closest to the expected ignition points
It can be installed without damaging the panel



Example of Installation 2 : SFEX Line - If ducts do not exist

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