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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In this way an optimal adaption of the relay to the protected object can be achieved. Combined Line Differential and Distance Protection go. Control Center Solutions go.

Transformer Differential Protection go. Capacitor Bank Protection go. Line Differential Protection go. Products for Protection go. Turn on more accessible mode. The specific application can be chosen by parameterization.


Distance Protection Relay go. Therefore, complete thermal monitoring of a transformer is possible, e.

Products for Substation Automation go. Tools Digital Grid Digital Grid. Search Search term s Search. The integrated programmable logic CFC allows the users to implement their own functions, e.

SIPROTEC 7UT – Digital Grid – Siemens

Voltage and Frequency Protection go. Products for Power Quality and Measurement go.

The flexible communication interfaces are open for modem communication architectures with control system. Smart Grid Software Solutions 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.

High Impedance Protection go. Protection for Rail Electrification go. With external temperature monitoring boxes thermo-boxes temperatures can be measured and monitored in the relay. Description Functions Downloads Configurator. In addition to this, a thermal replica is integrated for the supervision of the ohmic losses in the plant. The protection relay can be parameterized for use with threephase and single-phase transformers. Transient Ground Fault Function go. Software for Protection go.


Turn off more accessible mode. The relays provide easy-to-use local control and automation functions.

Siprotec 7ut612 Transformer Differential Protection Relay – Automation Device

Cyber Security Products and Solutions go. High Speed Busbar Transfer go. User-defined messages can be generated as well.

The protection relay can be parameterized for use with three-phase and single-phase transformers. Optionally, a low or high-impedance restricted earth-fault protection, a negative sequence protection and a breaker failure protection can be used. Skip directly to content. Overcurrent and Feeder Protection go.

Motor and Generator Protection go.