Retrofitting protection relays

3 companies | 3 products
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over-voltage protection relay / under-voltage / phase sequence / phase loss
over-voltage protection relay
VPR-A

Tripping current: 0 A - 0 A
Trigger voltage: 0 kV

The Voltage Protection Relay (VPR-A) has been designed to measure the line or phase RMS voltages under normal conditions or under disturbances. This information is internally processed by the microprocessor, ...

differential protection relay / over-voltage / overload / over-frequency
differential protection relay
7SD610, 7SD5 series

... possible. Apart from the main protection function, i.e. the differential protection, the SIPROTEC 7SD610 has a full range of configurable emergency and / or back-up protection functions ...

retrofitting protection relay / power / motor
retrofitting protection relay
GEMStart5-R ®

... developed a Retrofit solution called GemStart5-R, which consists of the replacement of all older versions of GemStart protection relays with modern and updated GemStart5. If you are considering replacement ...