Ordering data/Type code for Single-float Buchholz relays

For placing orders, please, use the following key:

Ordering example

You need a single-float Buchholz relay of type 03 (AF 25/10) with one cable gland of M20 x 1.5 and one dummy plug. The damper should respond at a insulating liquid flow of 1.00 m/s. The switching system should be equipped with three normally-open contacts (magnet contact tubes). The device should be delivered in colour RAL 7033.
Accordingly the relay ordered has the following


type code: 03-1.44.99.-0209

03 = Single-float Buchholz relay type 03 (AF 25/10)
1 = M20x1,5: 1 cable gland and 1 dummy plug
44 = Casing colour RAL 7033 (cement-grey)
99 = Switching system equipped with three magnet contact tubes
02 = Damper setting: 1,00 m/s ± 15 %
0 = Not occupied
9 = Contact setting of switching system: 3 normally-open contacts


Please contact us! We are glad to advise you and help with your selection.

Otto-von-Guericke-Allee 12
39179 Barleben
Phone +49 (0) 392 03 / 79 - 0
Fax +49 (0) 392 03 / 53 30


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