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SIEMENS 7SJ82

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SIPROTEC 7SJ81, SIPROTEC 7SJ82, SIPROTEC 7SJ85 and SIPROTEC 7SJ86 SIPROTEC 7SJ82/7SJ85 overcurrent protection has been designed specifically for the protection of feeders and lines in medium and high voltage systems. SIPROTEC 7SJ86 overcurrent protection is specifically designed as backup or emergency protection for line protection devices. With their flexibility and the high-performance DIGSI 5 engineering tool, SIPROTEC 5 devices offer future-oriented system solutions with high investment security and low operating costs.

Features Main function:

-Power supply and overcurrent protection

Inputs and outputs:

-4 current transformers, 11 binary inputs, 9 binary outputs

-4 current transformers, 18 binary inputs, 14 binary outputs

-4 current transformers, 4 voltage transformers, 11 binary inputs, 9 binary outputs

-4 current transformers, 4 voltage transformers, 16 binary inputs, 11 binary outputs

Hardware Flexibility:

-Different quantitative hardware structures for binary inputs and outputs are available in the base 1/3 module. 1 docking module position, available with large or small display

Carcass width:

-1/3 × 19 inches

Functions

DIGSI 5 allows all functions to be configured and combined as required.

-Directional and non-directional overcurrent protection with additional functions

-Detection of ground faults of any type in compensated or isolated electrical power systems using the following functions: 3I0>, V0>, leaky contact, cos φ, sin φ, dir. Intermittent ground fault detection and admittance

-Arc protection (note resulting communication restrictions) -Overvoltage and undervoltage protection

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