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Voltage protection relay 7SC80
frequencyfor recloser controlfor feeder

voltage protection relay
voltage protection relay
voltage protection relay
voltage protection relay
voltage protection relay
voltage protection relay
voltage protection relay
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Characteristics

Measured/monitored value
voltage, frequency
Applications
for recloser control, for feeder
Mounting
panel-mount
Communication
Ethernet
Norms
IEC
Other characteristics
digital, programmable, time delay

Description

The SIPROTEC 7SC80 feeder protection can be used for protection and automation of medium voltage distribution feeders with grounded or low resistance grounded, isolated, or compensated neutral point. The 7SC80 features “flexible protection functions”. 20 additional protection functions can be created by the user. For example, a rate of change of frequency function or a reverse power function can be created. The relay provides circuit-breaker control. Features Additional primary switching devices (grounding switches, transfer switches and isolating switches) can also be controlled from the relay. Automation or PLC logic functionality is also implemented in the device. The integrated programmable logic (CFC) allows the user to add own functions, e.g. for the automation of switchgear (including: interlocking, transfer and load shedding schemes). The user is also allowed to generate user-defined messages. The upgrade of device and communication firmware is also possible via Ethernet. Functions Control functions/programmable logic •Commands for the ctrl. of CB, disconnect switches (isolators/isolating switches) •Control through keyboard, binary inputs, DIGSI 4 or SCADA system •User-defined PLC logic with CFC (e.g. interlocking) Monitoring functions •Operational measured values V, I, f •Energy metering values Wp,Wq •Minimum and maximum values •Circuit-breaker wear monitoring •Fuse failure monitor •8 oscillographic fault records •Trip circuit supervision
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.