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9146600990 Rev M
BE1-25A Maintenance
6-1
CAUTION
Substitution of printed circuit boards or individual components does not necessarily
mean the relay will operate properly. Always test the relay before placing it in operation.
SECTION 6 • MAINTENANCE
GENERAL
BE1-25A Auto-Synchronizer Relays require no preventive maintenance other than a periodic operational
test (refer to Section 4 for test procedures). If the relay fails to function properly, and factory repair is
desired, contact the Customer Service Department of the Power Systems Group, Basler Electric, for a return
authorization number prior to shipping.
IN-HOUSE REPAIR
In-house replacement of individual components may be difficult and should not be attempted unless
appropriate equipment and qualified personnel are available.
When complete boards or assemblies are needed, the following information is required.
1. Relay model and style number
2. Relay serial number
3. Board or assembly
a) Part number
b) Serial number
c) Revision letter
4. The name of the board or assembly.
STORAGE
This protective relay contains aluminum electrolytic capacitors which generally have a life expectancy in
excess of 10 years at storage temperatures less than 40
E
C. Typically, the life expectancy of the capacitor
is cut in half for every 10
E
C rise in temperature. Storage life can be extended if, at one-year intervals, power
is applied to the relay for a period of thirty minutes.
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