Short Circuit And Earth Fault Indicator Type EKL3A

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Product Details

Quick Details

Model Number: EKL3A 
Brand Name: Chaobo  
Type: Panel Type  
Usage: Ring Main Unit, Cable Distribution Box, Switch Cabinet
IP Code: IP65(Fault Indicator Sensors) / IP55(Indicator Host) 
Place of Origin: Zhejiang, China (Mainland)
Lead time for sample: Within 5 days


Main Function:
1. Short circuit fault alarm indication: The short-circuit sensor detects the current of the line during operation. When the current reaches or exceeds the setting value of the short-circuit current when the line has a short-circuit fault, the short-circuit sensor sends an alarm signal to the host through the wire/fiber, and the host receives it. After this signal, a corresponding alarm indication signal is generated.

2. Earth fault alarm indication: The earth sensor detects the zero-sequence current of the line during operation. When the grounding current reaches or exceeds the setting value of the grounding current when the grounding fault occurs, the grounding sensor sends an alarm signal to the host through the wire/fiber. After receiving the signal, the host generates a corresponding alarm indication signal.

3. Automatic reset: When the indicator signals an alarm, if there is no manual reset, the indicator can be automatically reset after the set time.

4. Manual reset: When the indicator generates an alarm, the alarm can be released by pressing the “Reset/Test” button on the indicator panel of the indicator for 2 seconds.

5. Test: The indicator can be self-tested.


Main technical parameters:
Short Circuit Warning Current: 200-1500A Selectable (accuracy:±10%)Delay 20-300 ms when ordering can be selected by the user (The default factory Settings:800A. 20ms)
Earth Fault Warning Current: 5-50A Selectable (accuracy:±10%)Delay 20-300 ms when ordering can be selected by the user (The default factory Settings:20A. 20ms)
Short circuit sensor mounted cable diameter: outside diameter≤Φ40mm (other specifications shall be customized)
Earth fault sensor mounted cable diameter: outside diameter≤Φ120mm (other specifications shall be customized)
Working Ambient Temperature:-40℃-75℃  
Relative Humidity: ≤95%RH  Prevent Water, Acid and Salt fog
Working Power Supply: Lithium batteries or AC/DC(5V-10V)±15%
Remote Signal Contact Capacity: AC220V/1A
Remote Signal Contact Reset Method: Manual reset / Auto reset
Automatic Reset Time: 1-48H Selectable (accuracy:±5%) when ordering can be selected by the user (The default factory Settings:12H)
Indicator Host Boundary Dimension: 97×48×79mm
Indicator Host Installing Hole Size: 91.5mm x 43mm (tolerance:±0.3mm)
Sensor Optical fiber Length: 3m (4 pieces) (other specifications shall be customized)
Suitable for medium voltage below 35KV rating system.


Standard Configuration:
Indicator Host....................................1 piece
Short Circuit Fault Sensor......................3 pieces
Earth Fault Sensor................................1 piece
Sensor Optical fiber..............................4 pieces


Products photos:

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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.

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Certificate: 

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Company:
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