TZX-11 Protection relays

The TZX-11 protection relays offered by our Company have undergone detailed tests conducted by the PSE S.A. Protections Laboratory and have been approved for use in the transmission grid operated by PSE S.A. As a result our offer has now extended by a complete set of protections for high and highest voltage switchgears, including:

• TZO-11 - Line distance protection,
• TZZ-11 - Earth fault protection / bay controller,
• TZL-11 - Line differential protection,
• TZT-11 - Transformer differential protection,
• TZS-11 - Circuit breaker module with automatic reclosing function and control of synchronism,
• TZU-11 - universal protection relay equipped in accordance with the requirements of the Ordering Party.

All technical details of the TZX-11 protection relays can be found here.