Fig. 8/1 SIPROTEC 4. 7UT6 differential protection relay for transformers, generators, motors and busbars. 7UT/ 7UT 7UT LS. P. a The numerical protection relays 7UT6 are primarily applied transformers. 7UT 2 windings. 7UT/ 2 up to 3 windings. 7UT 2 up to 5 windings. Manual This manual is valid for SIPROTEC ® 7UT differential protection; firmware bar protection for up to seven feeders with one single 7UT relay.

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The protection relay can be parameterized for use with three-phase and single-phase transformers. Therefore, complete thermal monitoring of a transformer is possible, e. High Speed Busbar Transfer go.

Siprotec 7ut612 Transformer Differential Protection Relay – Automation Device

The flexible communication interfaces are open for modem communication architectures with control system. Skip directly to content. Distance Protection Relay go.


Optionally, a low or high-impedance restricted earth-fault protection, a negative sequence protection and a breaker failure protection can be used. Search Search term s Search. In addition to this, a thermal replica is integrated for the supervision of the ohmic losses in the plant.

Turn off more accessible maanual. Cyber Security Products and Solutions go. The specific application can be chosen by parameterization. Motor and Generator Protection go.

Products for Power Quality and Measurement go. High Impedance Protection go.


The relays provide easy-to-use local control and automation functions. The protection relay can be parameterized for use with threephase and single-phase transformers.

Control Center Solutions go. User-defined messages can be generated as well. The integrated programmable logic CFC allows the users to implement their own functions, e. Software for Protection go.

Combined Line Differential and Distance Protection go. Transient Ground Fault Function go. Overcurrent and Feeder Protection go. Tools Digital Relya Digital Grid. Transformer Differential Protection go. Description Functions Downloads Configurator.


SIPROTEC 7UT – Digital Grid – Siemens

Voltage and Frequency Protection go. Products for Protection go.

Protection for Rail Electrification go. The SIPROTEC 7UT differential protection relay are used for fast and selective fault clearing of short-circuits in transformers of all voltage levels and also in rotating electric machines like motors and generators, for short lines and busbars.

Turn on more accessible mode. 7u612 Bank Protection go. Line Differential Protection go.

Smart Grid Software Solutions go. With external temperature monitoring boxes thermo-boxes temperatures can be measured and monitored in the relay. In this way an optimal adaption of the relay to the protected object can be achieved. Products for Substation Automation go.