BE1-24 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
BE1-24 Volts Per Hertz Overexcitation Relays require no preventive maintenance other than a periodic
operational test (refer to Section 5 for operational test procedure). If 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.
Replacement parts may be purchased locally. The quality of replacement parts must be at least equal to that
of the original components.
Where special components are involved, Basler Electric part numbers may be obtained from the number
stamped on the component or assembly, the schematic, or parts list. These parts may be ordered directly
from Basler Electric. 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
(
C. Typically, the life expectancy of the capacitor
is cut in half for every 10
(
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.
Summary of Contents for BE1-24
Page 9: ...1 4 BE1 24 General Information Figure 1 1 Inverse Square vs Two Step...
Page 10: ...BE1 24 General Information 1 5 Figure 1 2 Protection Characteristics of the BE1 24...
Page 12: ...BE1 24 General Information 1 7 Figure 1 3 Style Number Identification Chart...
Page 16: ...BE1 24 General Information 1 11 Figure 1 4 Inverse Square Characteristic Curves...
Page 19: ...2 2 BE1 24 Human Machine Interface Figure 2 1 Location of Controls and Indicators...
Page 27: ...4 2 BE1 24 Installation Figure 4 1 M1 Case Outline Dimensions Front View...
Page 30: ...BE1 24 Installation 4 5 Figure 4 4 M1 Case Double Ended Panel Drilling Diagram Rear View...
Page 31: ...4 6 BE1 24 Installation Figure 4 5 M1 Case Panel Drilling Diagram...
Page 32: ...BE1 24 Installation 4 7 Figure 4 6 M1 Case Projection Mounting Outline Dimensions Rear View...
Page 34: ...BE1 24 Installation 4 9 Figure 4 7 Typical Internal Connections...
