Pull Rod Type Overhead Line Fault Indicator

Product Details

Quick Details

Model Number: CBDL-JDX 
Brand Name: Chaobo  
Joint Type: Pull Rod Type  
Application: Overhead 6-35KV High Voltage Cable
IP Code: IP65  
Place of Origin: Zhejiang, China (Mainland)
Lead time for sample: Within 5 days


The CBDL-JDX Pull Rod Type Overhead Line Fault Indicator is molded in one piece of high-strength and high-transparency aerospace material and is nano-technically processed for better translucent. It has anti-fouling, anti-aging, maintenance-free and long service life. It is mainly used to indicate fault zones and locations in power lines and to detect short circuits and ground faults. It can accurately judge the fault line and fault point, and has the characteristics of stable performance, high precision, anti-interference ability, beautiful appearance and convenient installation. It is not affected by line magnetizing inrush current, higher harmonics, current fluctuations, and cable distribution capacitor bypass.


1. High-performance lithium battery with a service life of more than 8 years.

2. A circuit board composed of imported components such as a dedicated chip and a single chip microcomputer.

3. Housing made of aviation and nano materials.

4. It is nickel-plated and has strong magnetic permeability. Card line structure that can be installed electrically.

5. It adopts red fluorescent paint, which is strong in vision and can be clearly indicated under nighttime illumination. And long-term display of the rotating body without fading under outdoor ultraviolet radiation.

 Technical Parameters
◆Applicable voltage grade: U≥6-35KV
◆Applicable wire current: I≤1200A
◆Applicable wire diameter: 16mm sq≤D≤240mm sq
◆Action response time: 0.06s≤t≤3s
◆Reset time: 6,12,24,48H (Selectable, Default 24H)
◆Ambient temperature: -35℃≤T≤+70℃
◆Operation times: ≥5000Times
◆Static power loss: ≤10μW
◆Protection class: IP65


Product use: Widely used in overhead lines.

Fault indication: In normal operation, the window is displayed in white; when a short circuit or ground fault occurs, the window is displayed in red (or the indicator light flashes).

Automatic reset: The fault indicator will be automatically reset. The reset time can be selected by the customer according to the line environment, the length of the line, and department requirements.

 Action principle
Short circuit detection principle: According to the phenomenon of short circuit,the current break when short circuit happen, the action on the basis of the protection movement power outages.
Used to judge the short circuit fault indicator diagram
As line 2# B phase 2,5,8 indicator and line 2# C phase 3,6,9 indicator turn red, but the 11,12 indicator still show white, that judged the point D happen short circuit
Used to judge the grounding fault indicator diagram:
As line 2# C phase 3,6,9 indicator turn red,but the 12 indicator still show white, that judged the point D happen grounding fault.


Products Type:

Test Report:
Our products have already passed the test by CMA, CNAS,CE till now, and we also have ability to arrange other relevant testing and factory audit as your requirement.