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Short-circuit and earth fault indicators
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Digital substation
Substation accessories
Products
▾
Short-circuit and earth fault indicators
▾
Product finder
For underground cables
For overhead lines
Current and voltage sensors
Accessories
Remote monitoring
▾
iHost
Reporter
Voltage detectors
▾
Voltage detecting systems
Voltage detectors
Maintenance test
Accessories
Earthing devices
▾
Earthing and short-circuiting devices
Line connection points
Line clamps
Earth connection points
Earth clamps
Substation accessories
Downloads
Horstmann
▾
Our team
Purchasing
Contact
▾
Contact person
Contact
News
▾
News
Blog
Trade fair dates
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Short-circuit and earth fault indicators
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Distribution Network
Underground cable
Overhead line
Features
Short circuit indication
Earth fault indication
Directional indication
Monitoring
Control function
Earth fault detection method
IE> Earth fault current
IEP> Active residual current cos φ
IEQ> Reactive current sin φ
IET> Transient earth fault method
VNE> Permanent earth fault (neutral point displacement voltage)
Pulse detection
Additional
Auxiliary power supply
Reset Filter
Product Series
ComPass 2.0 series – Monitoring for network analysis
ComPass A 2.0
Short-circuit and earth fault indicator with high-precision measurement…
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ComPass B 2.0
Directional short-circuit and earth fault indicator with high-precision…
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ComPass Bs 2.0
Directional short-circuit and earth fault indicator with remote…
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Sigma D series – Directional fault indication for fast fault location
Sigma D
Directional short-circuit and earth fault indicator …
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Sigma D⁺
Directional short-circuit and earth fault indicator, earth fault…
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Sigma D⁺⁺
Directional short-circuit and earth fault indicator, earth fault…
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Sigma 2.0 series – Phase-selective fault indication
Sigma 2.0
Short-circuit detection from 3 single-phase current sensors …
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Sigma F+E 2.0
Short-circuit and earth fault detection from 3 single-phase current…
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Sigma F+E 3 2.0
Clear fault type indication
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Navigator series – For overhead lines
Smart Navigator 2.0
Intelligent fault detection in medium voltage networks …
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Smart Navigator 2.0 HV
Overhead line monitoring up to 161 kV
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Smart Navigator 2.0 LC
Fault detection with less than 5 A load current …
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Navigator LM | Navigator LM HV
Overhead faulted circuit indicator with different reset options …
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Opto series – With fibre optic cables for transferring signals
Opto F+E 3.0
Short-circuit and earth fault indication with fibre optic cables for…
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Earth-Serie – Earth fault indication
Earth 4.0
Earth fault indicator with LED and mechanical flag …
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Alpha series – Short-circuit indicator
Alpha M
Short-circuit indicator with manual reset
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Alpha E
Short-circuit indicator with remote reset
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Sigma plus
Short-circuit and earth fault indicator for retrofit …
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Mechanical indicators – Installation on cables or busbars
Rotor indicator
Short-circuit indication by pivoted rotor
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Fluid indicator
Fault indication by fluid with red coloured particles …
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Special indicators – For special applications
Trip Flag
Trip indicator relay for trip display
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Polaris
Monitoring of return currents in railway networks …
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