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

3. Tests
To each Buchholz relay a works-number is given mentioned in the test certificate. Furthermore the
tests made with each Buchholz relay
- Dielectric strength test
(AC 2000 V against casing)
- Leakage test
(25 min with 80 o C warm Transformer oil at 0.25 MPa)
- Functional test
(damper setting, switching systems)
are documented in the test certificate.
The Buchholz relays are delivered in transport
cardboards. In the cap nut of the test key there is a
temporary lock for the switching system. This temporary
lock has to be removed before the device is taken into
operation.
With each device we deliver
- operating instructions
- test certificate
in the agreed language.
Flow test
7
DIN EN ISO 9001:2000 certificate
Functional and leakage test