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ZIEHL industrie
– elektronik GmbH + Co KG
Daimlerstr.13, 74523 Schwäbisch Hall, Germany
+ 49 791 504-0, [email protected], www.ziehl.de
Temperature Relays and MINIKA®
Mains Monitoring
Digital Panelmeters MINIPAN®
Switching Relays and Controls
Measuring Transducers
Grid- and Plant Protection
Operating Manual TR250
updated: 2016-12-19/Sc
TR250
12410-0701-03
Page
1 / 18
www.ziehl.de
- Temperature-Relay TR 250
New from firmware -01
Program
Pr5
for protection of transformers with 2 PTC-circuits (sensor-alarm, pre-alarm and tripping)
Program
Pr6
for Protection of transformers with 3 PTC-circuits (forced cooling, pre-alarm and tripping)
Display of firmware version:
Press Set ► for 10 s (in display mode)