SIEMENS overload relays

... permits all functions to be configured and combined as required. •Motor protection functions: Startup time monitoring, thermal overload protection for stator and rotor, restart inhibit, unbalanced-load ...

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

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

... 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 ...

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 ...

Trigger voltage: 19 V

... 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 ...

... 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 ...

The SIPROTEC 7SK80 and SIPROTEC 7SK81 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 ...

... It is designed to provide differential and directional back-up protection for all voltage levels and types of networks. The relay features high speed and phase-selective short circuit measurement. The unit is thus suitable ...

... -boxes) temperatures can be measured and monitored in the relay. Therefore, complete thermal monitoring of a transformer is possible, e.g. hot-spot calculation of the oil temperature. The relays ...