S-Former

Accessories
Fig. 13 Accessories
Table 3 Transformer Accessories
Description Standard Option
Name (rating) Plate Yes  
Cooling Equipment Yes  
Conservator Yes  
Dehydrating Breather Yes  
Bushings Yes  
Grounding Pad Yes  
Terminal Box for Auxiliary Circuits Yes  
On-Load
Tap-Changer
  Yes
No-Voltage
Tap-Changer
  Yes
Buchholtz Relay with Alarm and Trip Switches Yes  
Dial Oil Thermometer with an Alarm Switch Yes  
Dial Oil Level Indicator with an Alarm Switch Yes  
Valves for Oil Drain, Oil Filling and Oil Sampling Yes  
Lifting Lugs Yes  
Jacking Bosses Yes  
Current Transformer   Yes
Oil Purifier for On-load Tap-changer   Yes
Resistance Temperature Detector   Yes
Ladder   Yes
Wheels   Yes
Winding Temperature Detector   Yes
Table 4 Rectifier Accessories
Description Standard Option
Protection Fuses Yes  
Blown Fuse Indicator Yes  
Snubber with Fuses Yes  
AC Surge Suppressor Yes  
Overheat Detective Device Yes  
DC Output Terminals Yes  
Steel Enclosure, Walk-in Type Yes  
Interior Lights with a Switch Yes  
Terminal Blocks for Auxiliary Circuits Yes  
DIW (*) Water Pump Yes  
Heat Exchanger Yes  
DIW Flow Indicator with an Alarm Switch Yes  
Cooling Water Flow Indicator with an Alarm Switch Yes  
Conductivity Meter with an Alarm Switch Yes  
Dial DIW Thermometer with an Alarm Switch Yes  
DIW water Reservoir Tank Yes  
Dial DIW Level Indicator with an Alarm Switch Yes  
lon-Exchanger Yes  
Cooling Fan (**) Yes  
Door Switch for Alarm Yes  
Space (Anti-condensation) Heater Yes  
Lifting Lugs Yes  
Reverse-current Detector   Yes
Receptacle   Yes
DC Disconnect Switches   Yes
Resistance Temperature Detector   Yes
Notes (*) DIW : De-ionized water (**) : In the case of the WFAF cooled type
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