Protection Devices

SIPROTEC-4


SIPROTEC 4 leads the way in integrating protection, control, measurement, and automation functions in one device. The homogeneous system platform, the unique DIGSI 4 engineering program and extensive experience of more than a million successfully operating devices in the field worldwide – thanks to these unique advantages, SIPROTEC 4 enjoys top recognition among users worldwide.

Application Area

Generation

Transmission

Distribution

Industry

Protection Function

Overcurrent Protection – 7SJ61/62/63/64

Distance Protection – 7SA61/63/64

Line Differential Protection – 7SD610/7SD5

Combined Line Differential and Distance Protection – 7SD5

Breaker Management – 7VK61

Transformer Differential Protection – 7UT612/613/63

Motor Protection – 7SJ61/62/63/63/64

Generator Protection – 7UM62

Busbar Differential Protection – 7SS52

Bay Controller with Protection functions – 6MD63/66

Generator paralleling – 7VE61/63

High Speed bus transfer – 7VU68

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