BUCHHOLZ RELAYS - 8 / 23 Pages

12. Order instructions

When ordering a relay it is necessary to indicate (see table) - Type - Size - Wiring diagram - Oil flow rate - Operating conditions - Special requirements

E B 0 8 0 G 2 7 N

LEGENDA >
T Y P E S I Z E WIRING DIAGRAM OIL FLOW RATE OPERATING CONDITIONS CTRL CHAR N STANDARD X SPECIAL 5 LOW TEMPERATURE 7 TROPICAL CONDITIONS 6 CORROSIVE AMBIENT NORMAL AMBIENT 2 100 cm/sec 3 150 cm/sec 4 200 cm/sec A 2 N/O CONTACTS L 2 SPDT CONTACTS G 3 N/O CONTACTS 2 SPECIAL W.D. S2 3 SPECIAL W.D. S3 4 SPECIAL W.D. S4 R 2 SPDT contacts with manual resetting 024 025 050 079 080 SEE DRAWINGS EB RELAY DIN STYLE EE RELAY BRITISH STYLE ET RELAY WITH FLANGE PN6 EU RELAY ITALIAN STYLE >

Example : To order nr 3 buchholz relay type EB080 wiring diagram G; standard flow rate (100cm/sec); tropical conditions please indicate the following : Nr 1 Buchholz relay type EB080G27N

Nome file : RELE EN50216 REV 04 DTD 23/04/2007 Pagina 8 di 22 UNCONTROLLED COPY size="-1">

BUCHHOLZ RELAYS
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    3. Operating features 3.1 Slight faults When a slight or incipient fault occurs in the transformers, the small bubbles of gas, which pass upwards towards...
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    5. Contacts 5.1 General The magnetic switches consist of two thin reed contact blades hermetically sealed inside a glass capsule in an atmosphere of...
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    7. Service conditions 7.1 Environmental conditions Relays comply with following environmental conditions as classified in EN60721-3-4 >K Climatic conditions...
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    9. Installation 9.1 Mounting The gas actuated relay is mounted on the connecting pipe between the transformer and the conservator. The pipe has to allow...
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    10. Check after actuation of relay 10.1 Alarm signal When the alarm signal is given, the colour of the gas should be observed through the inspection-windows....
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    13. Part denomination of relay Pos. Part denomination Material 1 Inspection window Trogamid 2 Gas release cock Brass 3 Push button for checking electric...
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    Cross section CEDASPEI
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    TANDARD WIRING DIAGRAM FLOAT AND SWITCHES DESIGN FLOAT AND SWITCHES DESIGN FLOAT AND SWITCHES DESIGN CD 2 5 6 1 [...
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    Protezione finestra a richiesta_ Sunshield cover upon request F= q-l in 5- 1_. i1 140 fel 190 Csj ...
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    Protezionefinestra.arlchiestaSunshield cover\ < upon request[PAGE 13/23CD Q_rodurloTipoo.c*5 oType"S ■oEB050c o oEB079c?EB080-S CaiET050NB A ...
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