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Side 5 of 16 

Userguide CableTroll 210 March 2020 

01021000/11/12/13

 

2. Technical description 

2.1 General description 

The indicator comprises one pcb cards mounted in an enclosure with hinched front cover  
(consist of 3 LED

’s) for access to terminal blocks, battery and dip switches. Both control & signalling is 

combined in one box. 
 

 

Prod. Nr 01021000/11/12/13 

2.2 Indication 

One main high visibility red LED (visibility >10meters) for earth fault indication.  
2 additional smaller LED

’s (Green & Red/Amber) for battery status indication.  

2.3 Remote contact 

Relay contacts (for remote signalling) for Earth fault and Low battery 
Latched voltage free contact relay. One Normally Open (NO) and one Normally closed (NC)  
Pulse relay may be available from factory on request

.

 

2.4 Rogowski coil/Current Transformer (CT)/ Earth-fault element 

The indicator uses one direct type Rogowski coil for detection of earth faults only. 

2.5 Housing 

Housing designed for outdoor mounting. 

2.6 Glands 

Two cable glands gland are included with the indicator. 

2.7 Resetting Indication options  

Programmable timer (DIP Switch) 
Automatic reset by voltage (230VAC) or from CT (imbalance 

˃ 3A) 

Supervisory Reset from SCADA (Immediate/2sec) 
Manual reset by a push-button located on the front of the indicator. 

2.8 Power Supply 

Internal 3,6Ah/3,6V long life lithium battery for up to 10 years operation  

2.9 NFC, Near Field Communication 

The CT 210 has NFC for collecting info from the indicator such as Firmware version, Serial Number, 
Programming/Dip-switch settings, battery status, fault counter and link to valid Mounting Instruction. 
 

Summary of Contents for 01021000

Page 1: ...Userguide CableTroll 210 March 2020 010121000 11 12 13 CableTroll 210 User Guide for product nr 01021000 11 12 13...

Page 2: ...updated 6 20 09 19 Programming table updated 7 25 09 19 Technical drawing with dimensions updated 8 15 09 19 Updated with Rogowski coil sensor 9 28 01 20 Pictures updated with black Rogowski coil 10...

Page 3: ...6 3 2 CAPACITIVE DISCHARGE CURRENTS 6 3 3 EARTH FAULT DETECTION 7 4 APPLICATION MOUNTING 8 4 1 SENSOR MOUNTING 8 5 BATTERY STATUS 8 5 1 LOW BATTERY LITHIUM BATTERY 8 5 2 TO REPLACE THE BATTERY 9 5 3 R...

Page 4: ...and suitable for use in tropical weather conditions with high humidity of 65 to 95 The CableTroll 210 will indicate earth faults locally by a flashing diode and remotely through a relay contact 1 1 De...

Page 5: ...closed NC Pulse relay may be available from factory on request 2 4 Rogowski coil Current Transformer CT Earth fault element The indicator uses one direct type Rogowski coil for detection of earth faul...

Page 6: ...rough the sensor element seen from the feeder The capacitive discharge current from behind the Rogowski coil CT earth fault element must not exceed the trip level setting of the indicator The capaciti...

Page 7: ...e met Ic It where Ic capacitive current down stream of the indicator It CableTroll 210 programmed trip level sensitivity To estimate the capacitive discharge current at any line point you must calcula...

Page 8: ...e indicator erroneously Product number 01021000 11 12 13 Rogowski Coil Current Transformer Mounting 5 Battery Status 5 1 Low battery Lithium battery When there is less than 20 remaining capacity on th...

Page 9: ...en replaced the battery counter must be reset This is done by pushing the Test Reset button and hold it pressed for more than 30 seconds Observe the following sequence Push the Test Reset button and h...

Page 10: ...ion diagram CT210 Terminal from left 1 Mains reset 220 240VAC 2 Mains reset 220 240VAC 3 SCADA reset 9 110VDC Hot 4 SCADA reset 9 110VDC Ground 5 LED 6 Red 6 LED 6 Black 7 Earth fault Relay 1 NC1 8 Ea...

Page 11: ...fixed trip level 0 0 1 160A fixed trip level 1 0 1 240A fixed trip level Table 1 Switch setting overview trip level NOTE NORTROLLs Earth Fault Indicator and Earth Fault Element are tuned in to consti...

Page 12: ...urs 0 1 16 hours 1 1 32 hours Table 3 Switch overview reset time settings 7 4 Setting Auto reset Select Auto Reset with switch number 8 0 OFF 1 ON 8 Auto reset 0 Auto reset Disabled 1 Auto reset Enabl...

Page 13: ...the CT sensor Auto Reset from sensor Inactive Fault LED flashes rapidly in burst Auto Reset from sensor Active Fault LED illuminates constant Press longer than 5 sec Simulated fault indication with bo...

Page 14: ...r CT Timer 4 8 16 or 32 hours DIP Switch Manual Reset button Remote SCADA supervisory reset 9 110VDC Indication Red High intensity LED s for earth fault Red Amber and Green LED for battery status Exte...

Page 15: ...1 12 13 11 Dimensions 11 1 Housing Overall dimensions 85 x 94 x 51 6 mm 4 x 4 2mm Mounting holes on 74 x 74 mm centres as shown below 11 2 Split core Rogowski coil CT Overall dimensions 40x45x28 mm sh...

Page 16: ...tion Prod no 01021000 CT210 with Lithium battery CT 3m cable and short coil Prod no 01021011 CT210 with Lithium battery CT 16m cable and short coil Prod no 01021012 CT210 with Lithium battery CT 3m ca...

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