The ZIEHL SPI1021 protection relay monitors the voltage and frequency in grid-connected renewable energy units, such as wind farms, photovoltaic energy production installations, biomass production units, etc.
- Voltage limit protection (Overvoltage - Undervoltage)
- Frequency limit protection (Overfrequency - Underfrequency)
- Protection against islanding (Vector Shift)
- Input for monitoring the status of a connected switch (On / Off)
- Memory for 100 faults
- Locking capability
- Capability to connect to 3-phase and 1-phase networks
- 2 output relays
- Placement
- Rail
- Type
- Three-phase
- Digital
- No
- Protection Type
- Overvoltage, Undervoltage, Phase Sequence
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.