Elektromotoren und Gerätebau Barleben GmbH ... - Ies-germany.com

7. Ordering data
For placing orders, please, use the following key:
Single-float Buchholz relays Double-float Buchholz relays
XX -XX
. .. XX .-X
0 X
XX -XX . .. XX.-X
X X
Type code no. Type code no.
(see para. 4) (see para. 4)
Special design Special design
(see table 2) (see table 2)
(There are several (There are several
identif. no. possible, identif. no. possible,
always separated by always separated by
a dot.) a dot.)
Damper setting Damper setting
1= 0.65 m/s 1= 0.65 m/s
2 = 1.00 m/s 2 = 1.00 m/s
3 = 1.50 m/s 3 = 1.50 m/s
4 = 2.00 m/s
5 = 2.50 m/s
6 = 3.00 m/s
0 = not occupied Contact setting of
upper switching
system
1 = one NO-contact
2 = one NC-contact
3 = one change-over
contact
4 = two NO-contacts
5 = one NO- and one
NC-contact
Contact setting of Contact setting of
switching system lower switching system
1 = one NO-contact 1 = one NO-contact
2 = one NC-contact 2 = one NC-contact
3 = two NO-contacts 3 = two NO-contacts
4 = two NC-contacts 4 = two NC-contacts
5 = one NO- and one 5 = one NO- and one
NC-contact NC-contact
6 = one change-over 6 =one change-over
contact contact
7 = two change-over
contacts
Important remark: NO = normally-open
NC = normally-closed
Ordering example:
Buchholz relay 10-22.25.28.-313 Explanation:
10
22
25
28
3
1
3
17
= Designation of a double-float Buchholz relay type 10 (BF 80/Q)
= climatic version
= lower switching system equipped with 2 magnet contact tubes
= Oil drain plug
= Damper setting of 1.50 m/s
= contact setting of upper switching system – 1 NO-contact
= contact setting of lower switching system – 2 NO-contacts