SIEMENS overload relays

The SIPROTEC 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 7UM85 generator protection device has been designed ...

... Features & functions The large LCD, tactile pushbuttons and programmable LEDs provide a user-friendly product interface and the relay element is withdrawable for easy replacement. To further minimize the product variants the power supply ...

... of reverse interlocking. Features Fast and selective tripping is guaranteed even if the communication fails between the relays. The scope of functions includes protection functions as well as functions for control and monitoring. ...

... The SIPROTEC 7SK80 and SIPROTEC 7SK81 are a multi-functional motor protection relays. They are designed for protection of asynchronous motors of all sizes. ...

The SIPROTEC 7SD610 und 7SD5 line differential protection have been designed particularly for the selective protection of overhead lines and cables with single-ended and multi-ended infeed in medium-voltage and high-voltage systems. Transformers and compensating ...

... The SIPROTEC 7UT6 differential protection relays are used for fast and selective fault clearing of short-circuits in transformers of all voltage levels and in rotating electric machines like motors and generators, for short lines and ...

The Reyrolle 7SR10, 7SR11,7SR12,7SR21 and 7SR22 Argus overcurrent protection devices have been specifically designed to provide feeder protection for distribution and industrial networks.

... monitoring relay for two winding transformers of all vector groups, primary configurations/connections and earthing connections. Features The relay functionality also allows its application in auto-transformer and ...

Trigger voltage: 18 V - 300 V

... size 4 non-withdrawable case and these relays provide protection, monitoring, instrumentation, and metering with integrated input and output logic, data logging and fault reports. Communication access to the relay functionality ...

... improve the performance, quality and efficiency of the system and minimize power loss. The Reyrolle 7SR191 Capa protection relay is designed with all of the necessary functionality for use on shunt connected distribution capacitor banks ...