SIEMENS compact protection relays

... 7SJ85 overcurrent protection has been designed specifically for protection of feeders and lines in medium-voltage and high-voltage systems. The SIPROTEC 7SJ86 overcurrent ...

... solutions with high investment security and low operating costs. Features Main function: •Distance protection for medium-voltage and high voltage applications •Interoperability of SIPROTEC 5 and ...

... charging currents •Several distance-protection functions selectable as backup protection or secondary main protection: Classic, reactance •method (RMD), impedance protection ...

... 7SK82 and the SIPROTEC 7SK85 motor protection have been designed specifically for the protection of motors of all sizes. For the protection of generators and power-plant units the SIPROTEC ...

... Standard functionality •37/ 37G undercurrent protection •46 Negative sequence overcurrent protection •46BC Broken conductor detection •49 Thermal overload protection •50/ ...

... Reyrolle 7SR45 numeric relay provides both definite time and inverse time overcurrent and earth fault protection functions ensuring sensitivity with a minimum operate setting of 0.2 ⋅ ...

The overcurrent and feeder protection relays can be used for line/feeder protection of high and medium-voltage networks with grounded, low-resistance grounded, isolated ...

... are a multi-functional motor protection relays. They are designed for protection of asynchronous motors of all sizes. Features The SIPROTEC 7SK80 features “flexible protection ...

... 7RW80 features “flexible protection functions”. Up to 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 ...

The 7VE61 and 7VE63 paralleling devices of the SIPROTEC 4 family are multifunctional compact units used for paralleling power systems and generators. Features Their technical design ensures highly reliable paralleling ...