Basler BE1-67N Instruction Manual

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Contents

Basler BE1-67N Instruction Manual Manual pdf 61 page image

5-1CAUTIONSubstitution of printed circuit boards or individual components does not necessarilymean the relay will operate properly. Always test the relay before placing it in operation.SECTION 5MAINTENANCEGENERALBE1-67N Ground Directional Overcurrent Relay requires no preventive maintenance other than a periodicoperational test (refer to Section 4 for operational test procedure). If the relay fails to function properly andis to be repaired in-house, consult the Service Manual (publication number 9 1907 00 620). If factory repairis desired, contact the Customer Service Department of the Power Systems Group, Basler Electric, for areturn authorization number prior to shipping.IN-HOUSE REPAIRIn-house replacement of individual components may be difficult and should not be attempted unlessappropriate equipment and qualified personnel are available.If in-house repair is to be attempted, component values may be obtained from the schematics or the partslist of the Service Manual. Replacement parts may be purchased locally. The quality of replacement partsmust be at least equal to that of the original components.Where special components are involved, Basler Electric part numbers may be obtained from the numberstamped on the component or assembly, the schematic, or parts list. These parts may be ordered directlyfrom Basler Electric. When complete boards or assemblies are needed, the following information is required.1. Relay model and style number2. Relay serial number3. Board or assemblya) Part numberb) Serial numberc) Revision letter4. The name of the board or assembly.STORAGEThis protective relay contains aluminum electrolytic capacitors which generally have a life expectancy inexcess of 10 years at storage temperatures less than 40(C. Typically, the life expectancy of the capacitoris cut in half for every 10(C rise in temperature. Storage life can be extended if, at one-year intervals, poweris applied to the relay for a period of thirty minutes.

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