Overhead Fault Indicators

Overhead Fault Indicators
Product Details

SFI-W1~W5 aerial type short circuit and earth fault indicator

· This product series are suitable for aerial lines.

Faults indicate: white window display when the operation is normal; red window display when the short circuit or earth fault occurs.


Model

Display mode

Installation mode

Installation position

Features

SFI-W1

Flop

Press spring clamp

Overhead

Indicate inter-phase short-circuit fault

SFI-W2

Flop, light

Indicate inter-phase short-circuit fault, intelligent display mode, automatic conversion of display mode according to the light intensity, use flop display at daytime, and light display at night.

SFI-W3

Flop

Indicate inter-phase short-circuit fault and single phase grounding fault

SFI-W4

Flop, light

Indicate inter-phase grounding fault and short -circuit fault, intelligent display mode, automatic conversion of display mode according to the light intensity, use flop display at daytime, and light display at night.

SFI-W5

Flop, light

Indicate the single phase grounding fault, short-circuit fault and the overflow   caused by lightning and so on.The line trips when the overflow detection chamber detects a current sudden-changeover 150A, which can restore power supply after 3s. With remote communication function.


Product features

· Online operation: directly installed in the power line, suitable for long-term outdoor operation

· Automatic reset: with the function of identifying the nature of fault, can reset promptly after restoring power supply for the permanent fault, reset according to the appointed time of user for the instantaneous fault.

· Strong anti-interference: signal is not affected by line, magnetizing inrush current, high order harmonics, current fluctuations, especially the influence of cable distribution capacitance bypass

· Electrified loading and unloading: It is extremely simple and non-affecting of the line operation.

Functions

· Communication mode: SFI-W5 has short distance wireless transmission and GSM (GPRS) wireless communication;

· Reset mode: Timing reset;

· Fault identification: Automatic identification of short circuit and ground fault;

· Local display: Fault alarm with flop or light display can be observed in 360°;

SFI-W5 has the functions of real-time operating status computer display and sending fault description information to the mobile phone of management staff according to the regulations.

Technical data

Line voltage

6-35kV

Wire current

1≤1200A

Wire diameter

8-240mm²

Action response time

0.02S≤t≤3S

Static power consumption

≤10μW

Action reset time

6,12, 24, 36 hours optional, special time can be customized

Aging time

10year

Adaptive environmental temperature

45℃~+85℃

Action times

No less than 5000 times

Weight

420g

Outside drawing

Hyliton Power Technology is one of the largest and experienced manufacturers and suppliers of high-tech products in China who can offer you advanced and high quality overhead fault indicators OEM at competitive price. Welcome to order our CE overhead fault indicators made in China.

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