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The SE-601 series monitor is a microprocessor-based, ground-fault relay for ungrounded dc systems ranging from industrial 24 V dc control circuits to 1500 V dc solar and transportation systems. It provides sensitive ground-fault protection without the problems associated with nuisance tripping. Ground-fault current is sensed using an SE-GRM series ground-reference module—a resistor network that limits ground-fault current to 25 mA. Its output relay can operate in the fail-safe or non-fail-safe mode for undervoltage or shunt-trip applications. The SE-601 relay can be DIN-rail, surface, or panel mounted.
- Adjustable pickup (1–20 mA)
- Adjustable time delay (50–2.5 ms)
- Output contacts
- Analog outputs (0–5 V)
- Non-volatile trip memory
- Selectable contact operating mode
- Microprocessor-based
- Ten settings provide a wide range of low-level protection
- Adjustable trip delay allows quick protection or delayed response
- Form A and Form B output contacts for operation of separate annunciation and trip circuits
- Provides means for connecting to a meter (PGA-0500) or a control system
- Retains trip state when de-energized to simplify troubleshooting
- Selectable fail-safe or non-fail-safe operating modes allow connection to shunt or undervoltage breaker coil
- No calibration required-saves on maintenance cost
SE-601 Parts
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Filters
SE-601 Applications
- For ungrounded dc systems ranging from 24 V dc control circuits to 1500 V dc solar and transportation systems
