Lodestar CL25B Master
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Lodestar CL25В Master


Lodestar CL25B Master model 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 - CL25B will do its job in the best possible way. CL25B fault indicators operate independently of each other. It means that current and voltage values can be read from each phase separately.

No need in additional pole-mounted RTU device anymore. Indicators communicate with one CL25B Master device via Bluetooth radio signal, then CL25B Master communicates by GSM with KOMORSAN and transmit data to any SCADA-System via IEC 60870-5-104.

Lodestar CL25B Master 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;
  • On-line monitoring is possible - devices include SMS-gateway;
  • Connection to any existing SCADA easily via IEC 60870-5-104 by using KOMORSAN software.

 Technical characteristics

Types of registered events PtP, PtG
Short-circuit current sensitivity 25 A
Automatic fault current threshold adjustment +
Voltage monitoring +
Short circuit current sensitivity -
PtG selectivity -
General description of devices
Overhead line voltage class  6-35 kV
Network frequency  50 Hz/ 60 Hz
Visual indication - Blinking ultra-bright LEDs;
- Detection range up to 100 m (during the day), up to 500 m (at night);
- A set of sequences, depending on the capability of the model.
LED brightness  At least 20000 mcd per LED, 360 ° view
Number of alarms stored in the internal non-volatile memory  up to 20 thousand
Remote control (for field config) Bluetooth BLE (2,4 GHz)
Remote communication Lodestar CLXX-Master is equipped with a GSM channel, for transmitting information from the indicators to the data collection server.
Types of actuation control - Visual;
- By short-range radio channel (handheld remote control).
Reset display - to restore nutrition;
- by timer;
- magnet;
- from the portable control.
Indicator health control - magnet;
- portable remote control;
- remotely.
Changing settings (setpoints) - on the short-range radio channel using a portable remote control;
- Remotely using the «KOMORSAN Web-client» software.
SMS notification - up to 5 numbers;
- Amount of information including encryption - 200 bytes;
- Number of characters in the number up to 20;
- Message format: only in English;
- Composition of the message: GPS coordinates, type of accident, serial number;
- Number of characters in the message from 7 to 164.
Reading GPS coordinates Yes
Time to prepare the kit for repeated triggering  no more than 3 sec.
Integration with SCADA systems Built-in GSM modem (for Lodestar Master FPI).
Source of power - 3 removable lithium batteries (19 Ah) in Lodestar CL25B Master;
- 1 removable lithium battery (19 Ah) in Lodestar CL25B S.
Total indication time  > 2000 hours
Indicator life  not less than 130000 hours
Battery life(in standby mode) 8-10 years
Absolute current threshold  20÷1000 A
Differential current threshold in A  20÷500 A
Differential current pickup threshold in %  50÷500%
Current withstand (IEEE495, 4.4.7)  25 kA/500 ms
Adjustable reset time  1 - 200 s
Blanking of inrush currents  0-200 ms
Setting the reset timer  Arbitrarily from 1 hour to 8 days
The minimum duration of the emergency process  0,02 s
Installation location  On the overhead line (conductor)
Conductor diameters  Options:
- 5-28 mm,
- 17-33 mm,
- 24-40 mm.
Installation on live line +
Temperature range - Optimal operation range: - 40°C to + 75°C;
- Maximum operating range - 60°C to + 85°C.
Protection class  IP 68 according IEC
Impact of climatic environmental factors - Operating at an ambient temperature from - 40 ° С to + 85 ° С;
- Resistant to UV radiation;
- Resistant to wind load of 40 m / s without ice and 23 m / s with ice with 35 mm wall thickness.
Impact of mechanical factors - Corresponds to execution group M1;
- Resistant to galloping.

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