Lodestar CL25B
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Lodestar CL25B

Lodestar CL25B
Lodestar CL25B
Lodestar CL25 set


Lodestar CL25B models is a simple solution for fault detection. Optimal factory settings allow CL25B to be used without any configurations in most cases. Just activate the device and place it on a conductor - CL25 will do its job in the best possible way.

Lodestar CL25B use radio channel and all settings can done remotely via Smartphone - no need to unmount device. For Lodestar CL25B there is a possibility to trasmit data via Communication box.

CL25B fault indicators operate independently of each other. It means that current and voltage values can be read from each phase separately.

Lodestar CL25B benefits:

• Brightest Light 360° Visibility - 3 ultra bright wide-angle LEDs provide overlapping fields of light;
• Simple installation - using a single hot stick;
• Easy to replace - no additional settings are required;
• Dynamically changing sensitivity based on a load current;
• Minimum fault sensing 25A;
• Auto-Detect Network Frequency — intellectual algorithms allow it to work in networks with frequency of 50 or 60Hz without reconfiguration ;
• Enhanced resistance to interference conditions in the air.

Technical characteristics 

Lodestar model CL25 CL25B CL4 CL2 CL0.5
Operating voltage 6-35 kV
MIN fault sensing 25A 25A 4A 2A 0.5A
Absolute current threshold 100А, 250А,
500А, 1000А
25A to 1000А 20A to 1000А
Differential current threshold 50%, 100%,
25A, 100A,
200A, 500A
25А to 500A
50% to 500%
20А to 500A
50% to 500%
Response time 20 ms 20 ms
Inrush resistance 0 to 200 ms 0 to 200 ms
Fault detected  
Phase to Phase
Single-phase short circuit
Phase to Ground
(from 25 A)

(from 25 A)
Fault phase indication
Fault direction indication
Current withstand 25 kA / 500 ms
Communication No Smartphone via BLE, 3G/4G to SCADA system via Combox
Adjustable reset time 6, 12, 24, 48 hours 1h to 7d
Reset Time, Magnet
Reenergized line
Smartphone with Lodestar App, Time, Combox, Reenergized line
Test Magnet Remote, Magnet, Smartphone with Lodestar App
Battery life 10 years 7 years
Total indicating time >1000 hrs
Temperature -40°C to +75°C


Our customers

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