Siemens 7SJ80 Siprotec Compact Overcurrent Protection Numerical Relay
Product Details:
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Siemens 7SJ80 Siprotec Compact Overcurrent Protection Numerical Relay Price And Quantity
- 1 Piece Piece
- INR
Product Description
Overcurrent Relay
The SIPROTEC Compact 7SJ80 relays can be used for line/feeder protection of high and medium voltage networks with grounded, low-resistance grounded, isolated or a compensated neutral point. The relays have all the required functions to be applied as a backup relay to a transformer differential relay.
Details:
- The 7SJ80 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, additional switching devices can also be controlled from the relay. Automation or PLC logic functionality is also implemented in the relay. The integrated programmable logic (CFC) allows the user to add own functions, e.g. for the automation of switchgear (interlocking). The user is also allowed to generate user-defined messages.
Highlights:
- Pluggable current and voltage terminals
- Binary input thresholds settable using DIGSI (3 stages)
- Secondary current transformer values (1 A /5 A) settable using DIGSI
- 9 programmable function keys
- 6-line display
- Buffer battery exchangeable from the front
- USB front port
- 2 additional communication ports
- Integrated switch for low-cost and redundant optical Ethernet rings
- Ethernet redundancy protocols RSTP, PRP and HSR for highest availability
- Relay-to-relay communication through Ethernet with IEC 61850 GOOSE
- Millisecond-accurate time synchronization through Ethernet with SNTP (over Port A or Port B)
- Number of binary inputs and inary outputs by connection from up to two SICAM I/O-Units extendable
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