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Ground-Fault Relay Checklist
Find products to help limit damage and downtime from ground faults in grounded and ungrounded systems, including those with VFDs and trailing cables.
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The SE-105/SE-107 is a combination ground-wire monitor and ground-fault relay for resistance-grounded systems. It continuously monitors the integrity of the ground conductor to protect portable equipment from hazardous voltages caused by ground faults. The SE-105/SE-107 is an excellent choice for trailing cables 5 kV and under in underground mining applications. For higher voltages or long-cable applications, see the SE-134C/SE-135.
- Adjustable pickup (0.5, 2.0, 4.0 A)
- Adjustable time delay (0.1-2.0 s)
- Harmonic filter
- Zener-characteristic termination assembly
- Fail-safe ground-check circuit
- Conformal coating
- SE-105: Selectable UV- or shunt-trip mode
- SE-107: UV-trip mode only E
- Unit can be used on a wide variety of trailing cable applications
- Adjustable trip delay for quick protection and system coordination
- Prevents false operation
- Provides reliable ground-check loop verification
- Ensures ground-check circuit remains safe even in the event of equipment failure
- Additional coating protects circuit boards against harsh environment
- Provides flexibility for different applications
- Eliminates chance of unauthorized change to trip circuit
SE-105 Parts
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